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#794648#4565. Rarest Insects_8_8_95.4 30ms4348kbC++201.7kb2024-11-30 15:22:092024-11-30 15:22:10

Judging History

你现在查看的是最新测评结果

  • [2024-11-30 15:22:10]
  • 评测
  • 测评结果:95.4
  • 用时:30ms
  • 内存:4348kb
  • [2024-11-30 15:22:09]
  • 提交

answer

#include "insects.h"
#include <bits/stdc++.h> 

using namespace std;

mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
int n, u;
vector<int> p;
set<int> cur, lef;
void add(int i) {
    cur.insert(i);
    move_inside(i);
}
void del(int i) {
    if(cur.count(i)) {
        cur.erase(i);
        move_outside(i);
    }
}
int l , r;
bool check(int mid) {
    if(mid * u > n) return false;
    int col = 0;
    int val = (int)lef.size() + (int)cur.size();
    set<int> nf = lef;
    for(int i : lef) {
        add(i); 
        if(col <= val - mid * u && press_button() > mid) {
            del(i);
            nf.erase(i);
            col++;
        }
        if(col > val - mid * u) break;
    }
    if(col == val - mid * u) {
        set<int> nv;
        for(int i : lef) {
            if(!cur.count(i)) { 
                nv.insert(i);
            }
        }
        lef.swap(nv);
        return 1;   
    }
    set<int> nv;
    for(int i : lef) {
        if(cur.count(i)) {
            nv.insert(i);
        }
        del(i);
    }
    lef.swap(nf);
    return false;
}
int min_cardinality(int NN) {
    n = NN;
    for(int i = 0; i < n; i++) {
        lef.insert(i);
    }
    int col = 0;
    for(int i = 0; i < n; i++) {
        add(i);
        if(press_button() == 2) {
            del(i);
            col++;
        } else {
            lef.erase(i);
        }
    }
    u = (int)cur.size();
    if(u == 1) {
        return n;
    }
    if(!check(2)) {
        return 1;
    }
    l = 2, r = n / u + 1;
    while(r - l > 1) {
        int mid = (l + r) >> 1;
        if(check(mid)) {
            l = mid;
        } else {
            r = mid;
        }
    }
    return l;
}

Details

Tip: Click on the bar to expand more detailed information

Subtask #1:

score: 10
Accepted

Test #1:

score: 10
Accepted
time: 1ms
memory: 3888kb

input:

6
1
1
1
2
2
2
2
2
3

output:

8
0 0
8
2
8
0 1
8
2
8
0 2
8
2
8
0 3
8
2
8
1 3
8
0 4
8
2
8
1 4
8
0 5
8
2
8
1 5
8
0 3
8
2
8
0 4
8
2
8
0 5
8
2
8
1 5
8
1 3
8
1 4
8
3 1

result:

ok 

Test #2:

score: 10
Accepted
time: 1ms
memory: 3832kb

input:

2
1
2

output:

8
0 0
8
2
8
0 1
8
2
8
1 1
8
3 2

result:

ok 

Test #3:

score: 10
Accepted
time: 1ms
memory: 3896kb

input:

2
1
1

output:

8
0 0
8
2
8
0 1
8
2
8
3 1

result:

ok 

Test #4:

score: 10
Accepted
time: 0ms
memory: 3968kb

input:

3
1
1
2

output:

8
0 0
8
2
8
0 1
8
2
8
0 2
8
2
8
1 2
8
3 1

result:

ok 

Test #5:

score: 10
Accepted
time: 1ms
memory: 3892kb

input:

5
1
1
2
2
2
2
2
3

output:

8
0 0
8
2
8
0 1
8
2
8
0 2
8
2
8
1 2
8
0 3
8
2
8
1 3
8
0 4
8
2
8
1 4
8
0 2
8
2
8
0 3
8
2
8
0 4
8
2
8
1 4
8
3 2

result:

ok 

Test #6:

score: 10
Accepted
time: 1ms
memory: 3892kb

input:

8
1
1
2
2
2
2
2
1
2
3
3
3

output:

8
0 0
8
2
8
0 1
8
2
8
0 2
8
2
8
1 2
8
0 3
8
2
8
1 3
8
0 4
8
2
8
1 4
8
0 5
8
2
8
1 5
8
0 6
8
2
8
1 6
8
0 7
8
2
8
0 2
8
2
8
0 3
8
2
8
1 3
8
0 4
8
2
8
1 4
8
0 5
8
2
8
1 5
8
1 2
8
3 1

result:

ok 

Test #7:

score: 10
Accepted
time: 0ms
memory: 3832kb

input:

199
1
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
...

output:

8
0 0
8
2
8
0 1
8
2
8
1 1
8
0 2
8
2
8
1 2
8
0 3
8
2
8
1 3
8
0 4
8
2
8
1 4
8
0 5
8
2
8
1 5
8
0 6
8
2
8
1 6
8
0 7
8
2
8
1 7
8
0 8
8
2
8
1 8
8
0 9
8
2
8
1 9
8
0 10
8
2
8
1 10
8
0 11
8
2
8
1 11
8
0 12
8
2
8
1 12
8
0 13
8
2
8
1 13
8
0 14
8
2
8
1 14
8
0 15
8
2
8
1 15
8
0 16
8
2
8
1 16
8
0 17
8
2
8
1 17
8
...

result:

ok 

Test #8:

score: 10
Accepted
time: 0ms
memory: 3908kb

input:

200
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
...

output:

8
0 0
8
2
8
0 1
8
2
8
0 2
8
2
8
0 3
8
2
8
0 4
8
2
8
0 5
8
2
8
0 6
8
2
8
0 7
8
2
8
0 8
8
2
8
0 9
8
2
8
0 10
8
2
8
0 11
8
2
8
0 12
8
2
8
0 13
8
2
8
0 14
8
2
8
0 15
8
2
8
0 16
8
2
8
0 17
8
2
8
0 18
8
2
8
0 19
8
2
8
0 20
8
2
8
0 21
8
2
8
0 22
8
2
8
0 23
8
2
8
0 24
8
2
8
0 25
8
2
8
0 26
8
2
8
0 27
8
2
8
...

result:

ok 

Test #9:

score: 10
Accepted
time: 0ms
memory: 4140kb

input:

200
1
1
1
2
1
2
1
2
2
2
1
1
1
1
1
2
2
2
2
2
2
2
2
1
2
2
2
2
2
2
2
2
2
1
1
2
2
2
2
2
2
2
1
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
...

output:

8
0 0
8
2
8
0 1
8
2
8
0 2
8
2
8
0 3
8
2
8
1 3
8
0 4
8
2
8
0 5
8
2
8
1 5
8
0 6
8
2
8
0 7
8
2
8
1 7
8
0 8
8
2
8
1 8
8
0 9
8
2
8
1 9
8
0 10
8
2
8
0 11
8
2
8
0 12
8
2
8
0 13
8
2
8
0 14
8
2
8
0 15
8
2
8
1 15
8
0 16
8
2
8
1 16
8
0 17
8
2
8
1 17
8
0 18
8
2
8
1 18
8
0 19
8
2
8
1 19
8
0 20
8
2
8
1 20
8
0 21
...

result:

ok 

Test #10:

score: 10
Accepted
time: 3ms
memory: 4144kb

input:

198
1
1
1
1
1
1
2
1
2
2
2
2
1
2
1
2
2
2
2
2
2
2
2
1
2
2
2
2
2
2
2
1
2
2
2
1
2
2
2
2
2
2
2
1
2
2
2
2
2
2
2
2
2
2
1
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
...

output:

8
0 0
8
2
8
0 1
8
2
8
0 2
8
2
8
0 3
8
2
8
0 4
8
2
8
0 5
8
2
8
0 6
8
2
8
1 6
8
0 7
8
2
8
0 8
8
2
8
1 8
8
0 9
8
2
8
1 9
8
0 10
8
2
8
1 10
8
0 11
8
2
8
1 11
8
0 12
8
2
8
0 13
8
2
8
1 13
8
0 14
8
2
8
0 15
8
2
8
1 15
8
0 16
8
2
8
1 16
8
0 17
8
2
8
1 17
8
0 18
8
2
8
1 18
8
0 19
8
2
8
1 19
8
0 20
8
2
8
1 2...

result:

ok 

Test #11:

score: 10
Accepted
time: 3ms
memory: 4104kb

input:

199
1
1
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
...

output:

8
0 0
8
2
8
0 1
8
2
8
0 2
8
2
8
1 2
8
0 3
8
2
8
1 3
8
0 4
8
2
8
1 4
8
0 5
8
2
8
1 5
8
0 6
8
2
8
1 6
8
0 7
8
2
8
1 7
8
0 8
8
2
8
1 8
8
0 9
8
2
8
1 9
8
0 10
8
2
8
1 10
8
0 11
8
2
8
1 11
8
0 12
8
2
8
1 12
8
0 13
8
2
8
1 13
8
0 14
8
2
8
1 14
8
0 15
8
2
8
1 15
8
0 16
8
2
8
1 16
8
0 17
8
2
8
1 17
8
0 18
8...

result:

ok 

Test #12:

score: 10
Accepted
time: 2ms
memory: 3804kb

input:

197
1
1
1
2
1
2
1
1
1
2
1
2
2
1
2
2
2
2
1
1
2
1
1
1
1
1
2
2
1
2
1
1
2
1
2
1
1
2
2
1
1
2
2
1
2
1
1
1
2
2
2
1
1
2
2
2
1
1
2
2
2
2
2
1
1
2
1
2
2
2
1
1
2
2
1
1
2
1
2
1
1
2
1
2
2
1
1
2
1
2
1
2
2
1
1
1
1
2
1
2
2
1
2
1
1
1
1
1
1
1
2
2
2
2
2
2
1
1
1
2
2
1
2
1
2
1
2
1
1
2
2
2
1
1
1
2
2
2
2
2
1
1
2
2
2
2
1
2
...

output:

8
0 0
8
2
8
0 1
8
2
8
0 2
8
2
8
0 3
8
2
8
1 3
8
0 4
8
2
8
0 5
8
2
8
1 5
8
0 6
8
2
8
0 7
8
2
8
0 8
8
2
8
0 9
8
2
8
1 9
8
0 10
8
2
8
0 11
8
2
8
1 11
8
0 12
8
2
8
1 12
8
0 13
8
2
8
0 14
8
2
8
1 14
8
0 15
8
2
8
1 15
8
0 16
8
2
8
1 16
8
0 17
8
2
8
1 17
8
0 18
8
2
8
0 19
8
2
8
0 20
8
2
8
1 20
8
0 21
8
2
8...

result:

ok 

Test #13:

score: 10
Accepted
time: 2ms
memory: 4148kb

input:

197
1
1
1
2
2
2
2
2
2
1
2
2
2
2
2
2
2
2
2
2
2
2
1
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
...

output:

8
0 0
8
2
8
0 1
8
2
8
0 2
8
2
8
0 3
8
2
8
1 3
8
0 4
8
2
8
1 4
8
0 5
8
2
8
1 5
8
0 6
8
2
8
1 6
8
0 7
8
2
8
1 7
8
0 8
8
2
8
1 8
8
0 9
8
2
8
0 10
8
2
8
1 10
8
0 11
8
2
8
1 11
8
0 12
8
2
8
1 12
8
0 13
8
2
8
1 13
8
0 14
8
2
8
1 14
8
0 15
8
2
8
1 15
8
0 16
8
2
8
1 16
8
0 17
8
2
8
1 17
8
0 18
8
2
8
1 18
8
...

result:

ok 

Test #14:

score: 10
Accepted
time: 1ms
memory: 3880kb

input:

198
1
1
1
1
1
1
2
2
2
1
2
2
2
2
2
1
1
2
2
1
2
2
2
2
1
2
1
2
1
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
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2
2
1
2
2
...

output:

8
0 0
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0 18
8
2
8
1 18
8
0 19
8
2
8
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8
2
8
1 20
8
0 2...

result:

ok 

Test #15:

score: 10
Accepted
time: 2ms
memory: 3852kb

input:

200
1
1
2
1
1
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2
1
2
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...

output:

8
0 0
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8
1 16
8
0 17
8
2
8
1 17
8
0 18
8
2
8
1 18
8
0 19
8...

result:

ok 

Test #16:

score: 10
Accepted
time: 0ms
memory: 3860kb

input:

196
1
1
1
1
1
2
1
2
2
2
2
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...

output:

8
0 0
8
2
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0 1
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0 2
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1 17
8
0 18
8
2
8
1 18
8
0 19
8
2
8
1 19
8
0 20
8
2...

result:

ok 

Test #17:

score: 10
Accepted
time: 5ms
memory: 4144kb

input:

199
1
1
1
1
2
1
2
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2
2
1
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...

output:

8
0 0
8
2
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0 1
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2
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0 2
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2
8
0 18
8
2
8
0 19
8
2
8
1 19
8
0 20
8
2
8
1 20
...

result:

ok 

Test #18:

score: 10
Accepted
time: 5ms
memory: 3816kb

input:

196
1
1
2
1
1
2
2
1
2
2
1
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...

output:

8
0 0
8
2
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0 1
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2
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0 2
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2
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1 2
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8
0 18
8
2
8
1 18
8
0 19
8
2
8
1 19
8
0 20
8
2
...

result:

ok 

Test #19:

score: 10
Accepted
time: 5ms
memory: 3980kb

input:

196
1
1
2
1
1
2
1
1
1
1
1
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...

output:

8
0 0
8
2
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0 1
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2
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0 2
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1 2
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2
8
0 19
8
2
8
1 19
8
0 20
8
2
8
1 20
8
0 21
8
2
...

result:

ok 

Test #20:

score: 10
Accepted
time: 4ms
memory: 3904kb

input:

196
1
1
1
2
1
1
1
1
1
2
2
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...

output:

8
0 0
8
2
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0 1
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2
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0 2
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0 3
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2
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1 3
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8
0 19
8
2
8
1 19
8
0 20
8
2
8
1 20
8
0 21
8
2
...

result:

ok 

Test #21:

score: 10
Accepted
time: 0ms
memory: 3908kb

input:

200
1
1
1
1
2
1
1
2
1
1
1
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...

output:

8
0 0
8
2
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0 1
8
2
8
0 2
8
2
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0 3
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0 4
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8
2
8
0 21
8
2
8
0 22
8
2
8
1 22
8
0 23
8
2
8
1 23...

result:

ok 

Test #22:

score: 10
Accepted
time: 2ms
memory: 4140kb

input:

199
1
1
1
1
1
1
1
1
1
1
1
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1
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1
2
2
...

output:

8
0 0
8
2
8
0 1
8
2
8
0 2
8
2
8
0 3
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0 4
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0 23
8
2
8
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8
2
8
0 25
8
2
8
0 26
8
2
8
0 27...

result:

ok 

Test #23:

score: 10
Accepted
time: 2ms
memory: 3904kb

input:

198
1
1
1
1
1
1
1
1
1
1
1
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1
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1
2
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1
1
1
1
1
1
2
1
2
1
...

output:

8
0 0
8
2
8
0 1
8
2
8
0 2
8
2
8
0 3
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2
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0 4
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8
2
8
0 17
8
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8
0 18
8
2
8
0 19
8
2
8
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8
2
8
0 21
8
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8
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8
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8
2
8
0 24
8
2
8
0 25
8
2
8
0 26
8
2
8
0 27
8
2
8
...

result:

ok 

Subtask #2:

score: 15
Accepted

Test #24:

score: 15
Accepted
time: 0ms
memory: 3844kb

input:

1000
1
2
2
2
2
2
2
2
2
2
2
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2
2
2
2
2
2...

output:

8
0 0
8
2
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0 1
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2
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1 1
8
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8
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2
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2
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8
2
8
1 15
8
0 16
8
2
8
1 16
8
0 17
8
2
8
1 17
8
...

result:

ok 

Test #25:

score: 15
Accepted
time: 7ms
memory: 3944kb

input:

1000
1
1
1
1
1
1
1
1
1
1
1
1
1
1
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1
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1
1
1
1
1
1
1
1
1
1
1...

output:

8
0 0
8
2
8
0 1
8
2
8
0 2
8
2
8
0 3
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8
0 4
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2
8
0 24
8
2
8
0 25
8
2
8
0 26
8
2
8
0 27
8
2
8
...

result:

ok 

Test #26:

score: 15
Accepted
time: 3ms
memory: 3944kb

input:

999
1
1
1
1
1
1
1
1
1
2
1
1
1
1
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2
2
2
2
...

output:

8
0 0
8
2
8
0 1
8
2
8
0 2
8
2
8
0 3
8
2
8
0 4
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2
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8
2
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8
2
8
0 22
8
2
8
1 22
8
0 23
8
2
8
1 23
8
0 24
8
2
8...

result:

ok 

Test #27:

score: 15
Accepted
time: 3ms
memory: 3952kb

input:

999
1
1
1
1
1
2
1
1
1
2
2
1
1
1
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2
...

output:

8
0 0
8
2
8
0 1
8
2
8
0 2
8
2
8
0 3
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0 4
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2
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2
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2
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2
8
1 20
8
0 21
8
2
8
1 21
8
0 22
8
2
8
0 23
8
2
8
1 23...

result:

ok 

Test #28:

score: 15
Accepted
time: 0ms
memory: 3988kb

input:

996
1
2
2
2
2
2
2
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2
2
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...

output:

8
0 0
8
2
8
0 1
8
2
8
1 1
8
0 2
8
2
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1 2
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0 3
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8
2
8
1 15
8
0 16
8
2
8
1 16
8
0 17
8
2
8
1 17
8
...

result:

ok 

Test #29:

score: 15
Accepted
time: 3ms
memory: 4168kb

input:

995
1
1
1
1
1
1
2
2
2
1
1
1
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1
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2
1
...

output:

8
0 0
8
2
8
0 1
8
2
8
0 2
8
2
8
0 3
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0 4
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8
2
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0 20
8
2
8
0 21
8
2
8
1 21
8
0 22
8
2
8
1 22
8
0 ...

result:

ok 

Test #30:

score: 15
Accepted
time: 3ms
memory: 3996kb

input:

998
1
1
2
1
1
2
2
2
2
2
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2
2
2
2
2
...

output:

8
0 0
8
2
8
0 1
8
2
8
0 2
8
2
8
1 2
8
0 3
8
2
8
0 4
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0 6
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2
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0 7
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0 8
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0 9
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1 14
8
0 15
8
2
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1 15
8
0 16
8
2
8
1 16
8
0 17
8
2
8
1 17
8
0 18
8
2
8
1 18
8
...

result:

ok 

Test #31:

score: 15
Accepted
time: 13ms
memory: 3996kb

input:

998
1
1
1
1
1
2
1
1
2
1
1
1
1
1
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2
2
2
2
...

output:

8
0 0
8
2
8
0 1
8
2
8
0 2
8
2
8
0 3
8
2
8
0 4
8
2
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8
2
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1 16
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0 17
8
2
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8
2
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0 19
8
2
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1 19
8
0 20
8
2
8
0 21
8
2
8
1 21
8
0 22
8
2
8
1 22
8
0 23
8
2...

result:

ok 

Test #32:

score: 15
Accepted
time: 7ms
memory: 4248kb

input:

1000
1
1
2
2
1
2
2
1
2
1
2
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2
2
2
2
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2
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2
2
2
2
2
2
2
2
2
2
2...

output:

8
0 0
8
2
8
0 1
8
2
8
0 2
8
2
8
1 2
8
0 3
8
2
8
1 3
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2
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0 5
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1 5
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0 6
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2
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1 6
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0 9
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2
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2
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8
2
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2
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8
2
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0 15
8
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8
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0 16
8
2
8
1 16
8
0 17
8
2
8
1 17
8
0 18
8
2
8
1 18
8
0 19
8...

result:

ok 

Test #33:

score: 15
Accepted
time: 0ms
memory: 3952kb

input:

996
1
1
1
1
2
2
1
2
2
1
2
2
2
2
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1
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2
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2
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2
2
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2
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2
2
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2
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2
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2
2
2
2
2
2
2
2
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2
2
2
2
2
2
2
2
...

output:

8
0 0
8
2
8
0 1
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2
8
0 2
8
2
8
0 3
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2
8
0 4
8
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2
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8
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8
2
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2
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8
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8
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2
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8
2
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8
0 17
8
2
8
0 18
8
2
8
1 18
8
0 19
8
2
8
0 20
8
2...

result:

ok 

Test #34:

score: 15
Accepted
time: 7ms
memory: 4004kb

input:

1000
1
1
1
1
1
2
2
1
2
2
1
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2
2
2
2...

output:

8
0 0
8
2
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0 1
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0 2
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2
8
1 17
8
0 18
8
2
8
1 18
8
0 19
8
2
8
1 19
8
0...

result:

ok 

Test #35:

score: 15
Accepted
time: 5ms
memory: 3940kb

input:

1000
1
1
1
1
1
2
2
1
2
1
2
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1
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2
2
2
2
2...

output:

8
0 0
8
2
8
0 1
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2
8
0 2
8
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8
0 3
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0 4
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2
8
1 18
8
0 19
8
2
8
1 19
8
0 20
8
2
8
1 20
8
0 2...

result:

ok 

Test #36:

score: 15
Accepted
time: 0ms
memory: 3968kb

input:

997
1
1
1
1
1
1
1
1
1
1
2
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...

output:

8
0 0
8
2
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0 1
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0 2
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0 19
8
2
8
1 19
8
0 20
8
2
8
1 20
8
0 21
8
2
8
1 2...

result:

ok 

Test #37:

score: 15
Accepted
time: 0ms
memory: 4204kb

input:

995
1
1
1
1
1
2
2
1
1
2
1
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...

output:

8
0 0
8
2
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0 1
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2
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0 2
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0 3
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0 4
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8
2
8
1 19
8
0 20
8
2
8
0 21
8
2
8
1 21
8
0 22
8...

result:

ok 

Test #38:

score: 15
Accepted
time: 10ms
memory: 4008kb

input:

997
1
1
1
1
1
1
1
1
2
1
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1
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...

output:

8
0 0
8
2
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0 1
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2
8
0 2
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0 3
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0 21
8
2
8
1 21
8
0 22
8
2
8
1 22
8
0 23
8
2
8
0 2...

result:

ok 

Test #39:

score: 15
Accepted
time: 4ms
memory: 3912kb

input:

997
1
1
1
1
1
1
1
1
1
1
1
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...

output:

8
0 0
8
2
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0 1
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2
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0 2
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0 3
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2
8
1 21
8
0 22
8
2
8
0 23
8
2
8
0 24
8
2
8
0 25
...

result:

ok 

Test #40:

score: 15
Accepted
time: 6ms
memory: 3880kb

input:

996
1
1
1
1
1
1
1
1
1
1
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1
1
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1
...

output:

8
0 0
8
2
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0 1
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0 2
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0 3
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8
2
8
1 22
8
0 23
8
2
8
0 24
8
2
8
0 25
8
2
8
0...

result:

ok 

Test #41:

score: 15
Accepted
time: 3ms
memory: 3896kb

input:

995
1
1
1
1
1
1
1
1
1
1
1
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1
1
1
2
1
2
...

output:

8
0 0
8
2
8
0 1
8
2
8
0 2
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0 3
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0 24
8
2
8
0 25
8
2
8
0 26
8
2
8
0 27
8
2
8
...

result:

ok 

Test #42:

score: 15
Accepted
time: 0ms
memory: 3936kb

input:

995
1
1
1
1
1
1
1
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1
1
1
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1
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1
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1
1
1
1
1
2
1
...

output:

8
0 0
8
2
8
0 1
8
2
8
0 2
8
2
8
0 3
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0 4
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2
8
0 26
8
2
8
0 27
8
2
8
...

result:

ok 

Subtask #3:

score: 70.4
Acceptable Answer

Test #43:

score: 75
Accepted
time: 0ms
memory: 3904kb

input:

2
1
2

output:

8
0 0
8
2
8
0 1
8
2
8
1 1
8
3 2

result:

ok 

Test #44:

score: 75
Accepted
time: 0ms
memory: 3904kb

input:

2
1
1

output:

8
0 0
8
2
8
0 1
8
2
8
3 1

result:

ok 

Test #45:

score: 75
Accepted
time: 1ms
memory: 4120kb

input:

3
1
1
2

output:

8
0 0
8
2
8
0 1
8
2
8
0 2
8
2
8
1 2
8
3 1

result:

ok 

Test #46:

score: 75
Accepted
time: 0ms
memory: 3820kb

input:

6
1
2
1
2
2
2
2
3
3
3

output:

8
0 0
8
2
8
0 1
8
2
8
1 1
8
0 2
8
2
8
0 3
8
2
8
1 3
8
0 4
8
2
8
1 4
8
0 5
8
2
8
1 5
8
0 1
8
2
8
0 3
8
2
8
1 3
8
0 4
8
2
8
1 4
8
0 5
8
2
8
1 5
8
1 1
8
3 1

result:

ok 

Test #47:

score: 75
Accepted
time: 1ms
memory: 4128kb

input:

10
1
1
2
2
2
2
2
2
2
2
2
3
2
3
3
3
3
3
3
3
4
4
5
5
5
6

output:

8
0 0
8
2
8
0 1
8
2
8
0 2
8
2
8
1 2
8
0 3
8
2
8
1 3
8
0 4
8
2
8
1 4
8
0 5
8
2
8
1 5
8
0 6
8
2
8
1 6
8
0 7
8
2
8
1 7
8
0 8
8
2
8
1 8
8
0 9
8
2
8
1 9
8
0 2
8
2
8
0 3
8
2
8
1 3
8
0 4
8
2
8
0 5
8
2
8
1 5
8
0 6
8
2
8
1 6
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0 7
8
2
8
1 7
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0 8
8
2
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1 8
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0 9
8
2
8
1 9
8
0 3
8
2
8
0 5
8
2
8
0 6
8
2
8
0 7
...

result:

ok 

Test #48:

score: 75
Accepted
time: 4ms
memory: 4060kb

input:

2000
1
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
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2
2
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2
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2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2...

output:

8
0 0
8
2
8
0 1
8
2
8
1 1
8
0 2
8
2
8
1 2
8
0 3
8
2
8
1 3
8
0 4
8
2
8
1 4
8
0 5
8
2
8
1 5
8
0 6
8
2
8
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8
0 7
8
2
8
1 7
8
0 8
8
2
8
1 8
8
0 9
8
2
8
1 9
8
0 10
8
2
8
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8
0 11
8
2
8
1 11
8
0 12
8
2
8
1 12
8
0 13
8
2
8
1 13
8
0 14
8
2
8
1 14
8
0 15
8
2
8
1 15
8
0 16
8
2
8
1 16
8
0 17
8
2
8
1 17
8
...

result:

ok 

Test #49:

score: 75
Accepted
time: 10ms
memory: 3980kb

input:

2000
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1...

output:

8
0 0
8
2
8
0 1
8
2
8
0 2
8
2
8
0 3
8
2
8
0 4
8
2
8
0 5
8
2
8
0 6
8
2
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0 7
8
2
8
0 8
8
2
8
0 9
8
2
8
0 10
8
2
8
0 11
8
2
8
0 12
8
2
8
0 13
8
2
8
0 14
8
2
8
0 15
8
2
8
0 16
8
2
8
0 17
8
2
8
0 18
8
2
8
0 19
8
2
8
0 20
8
2
8
0 21
8
2
8
0 22
8
2
8
0 23
8
2
8
0 24
8
2
8
0 25
8
2
8
0 26
8
2
8
0 27
8
2
8
...

result:

ok 

Test #50:

score: 71.16
Acceptable Answer
time: 30ms
memory: 4104kb

input:

2000
1
1
1
1
1
1
1
1
2
1
1
1
1
1
2
2
2
1
1
1
1
2
1
1
2
1
1
1
2
1
1
1
2
2
1
1
1
1
2
2
1
1
2
1
2
2
2
2
2
1
2
2
2
2
2
2
2
2
2
1
2
1
2
2
2
1
2
2
2
2
2
2
1
2
2
2
1
1
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
1
2
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2
1
2
2
2
2
2
2
1
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2...

output:

8
0 0
8
2
8
0 1
8
2
8
0 2
8
2
8
0 3
8
2
8
0 4
8
2
8
0 5
8
2
8
0 6
8
2
8
0 7
8
2
8
0 8
8
2
8
1 8
8
0 9
8
2
8
0 10
8
2
8
0 11
8
2
8
0 12
8
2
8
0 13
8
2
8
0 14
8
2
8
1 14
8
0 15
8
2
8
1 15
8
0 16
8
2
8
1 16
8
0 17
8
2
8
0 18
8
2
8
0 19
8
2
8
0 20
8
2
8
0 21
8
2
8
1 21
8
0 22
8
2
8
0 23
8
2
8
0 24
8
2
8...

result:

points 0.94880 points  0.94880

Test #51:

score: 70.86
Acceptable Answer
time: 12ms
memory: 4032kb

input:

2000
1
1
1
1
2
1
1
2
1
1
1
2
1
1
1
1
1
1
2
1
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1
1
1
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2
2
1
2
1
1
1
2
2
2
2
2
1
2
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2
2
1
2
1
1
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2
1
1
1
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1
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2
2
2
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2
2
1
2
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2
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2
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1
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1
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1
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2
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2
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1
1
1
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2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2...

output:

8
0 0
8
2
8
0 1
8
2
8
0 2
8
2
8
0 3
8
2
8
0 4
8
2
8
1 4
8
0 5
8
2
8
0 6
8
2
8
0 7
8
2
8
1 7
8
0 8
8
2
8
0 9
8
2
8
0 10
8
2
8
0 11
8
2
8
1 11
8
0 12
8
2
8
0 13
8
2
8
0 14
8
2
8
0 15
8
2
8
0 16
8
2
8
0 17
8
2
8
0 18
8
2
8
1 18
8
0 19
8
2
8
0 20
8
2
8
1 20
8
0 21
8
2
8
1 21
8
0 22
8
2
8
1 22
8
0 23
8
2...

result:

points 0.94480 points  0.94480

Test #52:

score: 75
Accepted
time: 4ms
memory: 4012kb

input:

2000
1
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
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2
2
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2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2...

output:

8
0 0
8
2
8
0 1
8
2
8
1 1
8
0 2
8
2
8
1 2
8
0 3
8
2
8
1 3
8
0 4
8
2
8
1 4
8
0 5
8
2
8
1 5
8
0 6
8
2
8
1 6
8
0 7
8
2
8
1 7
8
0 8
8
2
8
1 8
8
0 9
8
2
8
1 9
8
0 10
8
2
8
1 10
8
0 11
8
2
8
1 11
8
0 12
8
2
8
1 12
8
0 13
8
2
8
1 13
8
0 14
8
2
8
1 14
8
0 15
8
2
8
1 15
8
0 16
8
2
8
1 16
8
0 17
8
2
8
1 17
8
...

result:

ok 

Test #53:

score: 75
Accepted
time: 0ms
memory: 3888kb

input:

2000
1
1
2
1
1
1
2
1
1
2
2
1
2
2
1
1
2
1
2
2
2
1
2
2
1
2
1
1
2
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2
2
1
2
2
1
1
2
1
1
2
2
1
2
1
1
1
2
1
2
1
2
2
1
1
2
2
1
1
2
2
2
2
1
2
1
1
2
1
1
2
1
1
1
1
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2
1
1
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1
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1
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1
1
1
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2
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1
1
2
1
1
1
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2
2
1
2
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1
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1
2
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1
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1
1
1
1
1
2
2
1
1
1
2
1
2
2
2
1
1
1
1
1
1
2
2
2
2
1
1
2
2
2
1...

output:

8
0 0
8
2
8
0 1
8
2
8
0 2
8
2
8
1 2
8
0 3
8
2
8
0 4
8
2
8
0 5
8
2
8
0 6
8
2
8
1 6
8
0 7
8
2
8
0 8
8
2
8
0 9
8
2
8
1 9
8
0 10
8
2
8
1 10
8
0 11
8
2
8
0 12
8
2
8
1 12
8
0 13
8
2
8
1 13
8
0 14
8
2
8
0 15
8
2
8
0 16
8
2
8
1 16
8
0 17
8
2
8
0 18
8
2
8
1 18
8
0 19
8
2
8
1 19
8
0 20
8
2
8
1 20
8
0 21
8
2
8...

result:

ok 

Test #54:

score: 71.49
Acceptable Answer
time: 17ms
memory: 4016kb

input:

2000
1
1
2
2
1
2
1
2
2
2
2
2
2
2
2
2
2
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2
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2
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2
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2
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2
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2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2...

output:

8
0 0
8
2
8
0 1
8
2
8
0 2
8
2
8
1 2
8
0 3
8
2
8
1 3
8
0 4
8
2
8
0 5
8
2
8
1 5
8
0 6
8
2
8
0 7
8
2
8
1 7
8
0 8
8
2
8
1 8
8
0 9
8
2
8
1 9
8
0 10
8
2
8
1 10
8
0 11
8
2
8
1 11
8
0 12
8
2
8
1 12
8
0 13
8
2
8
1 13
8
0 14
8
2
8
1 14
8
0 15
8
2
8
1 15
8
0 16
8
2
8
1 16
8
0 17
8
2
8
1 17
8
0 18
8
2
8
1 18
8
...

result:

points 0.95320 points  0.95320

Test #55:

score: 75
Accepted
time: 4ms
memory: 4000kb

input:

2000
1
1
1
1
1
1
2
1
1
1
1
1
2
1
2
1
2
1
1
2
1
1
2
2
2
2
2
2
1
2
1
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1
1
1
2
1
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2
2
1
1
2
1
2
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1
1
1
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2
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1
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1
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2
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1
2
2
2
2
2
1
1
2
2
2
1
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2
2
1
2
1
2
2
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2
2
2
2
1
1
2
2
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2
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1
2
2
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2
2
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2
1
1
2
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2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2...

output:

8
0 0
8
2
8
0 1
8
2
8
0 2
8
2
8
0 3
8
2
8
0 4
8
2
8
0 5
8
2
8
0 6
8
2
8
1 6
8
0 7
8
2
8
0 8
8
2
8
0 9
8
2
8
0 10
8
2
8
0 11
8
2
8
0 12
8
2
8
1 12
8
0 13
8
2
8
0 14
8
2
8
1 14
8
0 15
8
2
8
0 16
8
2
8
1 16
8
0 17
8
2
8
0 18
8
2
8
0 19
8
2
8
1 19
8
0 20
8
2
8
0 21
8
2
8
0 22
8
2
8
1 22
8
0 23
8
2
8
1 2...

result:

ok 

Test #56:

score: 70.52
Acceptable Answer
time: 18ms
memory: 4324kb

input:

1998
1
1
2
1
2
1
2
2
2
2
2
2
2
2
2
2
2
1
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
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2
2
2
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2
2
2
2
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2
2
2
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2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
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2
2
2
2
2
2
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2
2
2
2
2
2
2
2
2
2
2
2
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2
2
2
2
2
2
2
2
2
2
2
2
2...

output:

8
0 0
8
2
8
0 1
8
2
8
0 2
8
2
8
1 2
8
0 3
8
2
8
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2
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8
2
8
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2
8
1 6
8
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8
2
8
1 7
8
0 8
8
2
8
1 8
8
0 9
8
2
8
1 9
8
0 10
8
2
8
1 10
8
0 11
8
2
8
1 11
8
0 12
8
2
8
1 12
8
0 13
8
2
8
1 13
8
0 14
8
2
8
1 14
8
0 15
8
2
8
1 15
8
0 16
8
2
8
1 16
8
0 17
8
2
8
0 18
8
2
8
1 18
8
0 19
8
...

result:

points 0.94026666670 points  0.94026666670

Test #57:

score: 70.51
Acceptable Answer
time: 18ms
memory: 4348kb

input:

1999
1
1
1
2
1
1
1
2
2
2
2
1
2
2
2
2
2
2
2
1
2
2
2
2
2
2
2
2
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2
2
2
2
2
2
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2
2
2
2
2
2
2
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2
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2
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2
2
2
2
2...

output:

8
0 0
8
2
8
0 1
8
2
8
0 2
8
2
8
0 3
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2
8
1 3
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2
8
1 9
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2
8
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0 11
8
2
8
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8
2
8
1 12
8
0 13
8
2
8
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8
2
8
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0 15
8
2
8
1 15
8
0 16
8
2
8
1 16
8
0 17
8
2
8
1 17
8
0 18
8
2
8
1 18
8
0 19
8
2
8
0 20
8
2...

result:

points 0.94013333330 points  0.94013333330

Test #58:

score: 70.54
Acceptable Answer
time: 12ms
memory: 4120kb

input:

1997
1
1
1
2
1
1
1
2
1
2
2
2
1
1
1
2
2
2
2
2
2
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2
2
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2
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2
2
2
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2
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2
2
2
2
2...

output:

8
0 0
8
2
8
0 1
8
2
8
0 2
8
2
8
0 3
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2
8
1 3
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2
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1 7
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0 8
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2
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2
8
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0 10
8
2
8
1 10
8
0 11
8
2
8
1 11
8
0 12
8
2
8
0 13
8
2
8
0 14
8
2
8
0 15
8
2
8
1 15
8
0 16
8
2
8
1 16
8
0 17
8
2
8
1 17
8
0 18
8
2
8
1 18
8
0 19
8
2
8
1 19
8
0 20
8
2
8
1 20
8
0 2...

result:

points 0.94053333330 points  0.94053333330

Test #59:

score: 70.51
Acceptable Answer
time: 12ms
memory: 4064kb

input:

1998
1
1
1
1
1
1
1
2
2
1
2
2
2
2
1
2
1
2
2
2
2
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2
2
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1
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2
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2
2
2
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2
2
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2
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2
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2
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2
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2
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2
2
1
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2
2
2
2
2
2
2
2
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2
2
2
2
2
2
2
2
2
2...

output:

8
0 0
8
2
8
0 1
8
2
8
0 2
8
2
8
0 3
8
2
8
0 4
8
2
8
0 5
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0 6
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2
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2
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1 7
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0 8
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2
8
1 8
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0 9
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2
8
0 10
8
2
8
1 10
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0 11
8
2
8
1 11
8
0 12
8
2
8
1 12
8
0 13
8
2
8
1 13
8
0 14
8
2
8
0 15
8
2
8
1 15
8
0 16
8
2
8
0 17
8
2
8
1 17
8
0 18
8
2
8
1 18
8
0 19
8
2
8
1 19
8
0 20
8
2
8
1 20
8
0 ...

result:

points 0.94013333330 points  0.94013333330

Test #60:

score: 70.7
Acceptable Answer
time: 7ms
memory: 4128kb

input:

1996
1
1
1
1
1
1
1
1
1
1
1
2
2
2
2
1
2
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2
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1
2
1
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2
2
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2
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2
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2
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2
2
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2
2
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2
2
2
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2
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2
2
2
2
2
2
2...

output:

8
0 0
8
2
8
0 1
8
2
8
0 2
8
2
8
0 3
8
2
8
0 4
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2
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0 5
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2
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2
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0 10
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2
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0 11
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2
8
1 11
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0 12
8
2
8
1 12
8
0 13
8
2
8
1 13
8
0 14
8
2
8
1 14
8
0 15
8
2
8
0 16
8
2
8
1 16
8
0 17
8
2
8
1 17
8
0 18
8
2
8
1 18
8
0 19
8
2
8
1 19
8
0 20
8
2
8
1 20
8
0 21
8
2
8
1 2...

result:

points 0.94266666670 points  0.94266666670

Test #61:

score: 70.73
Acceptable Answer
time: 16ms
memory: 4124kb

input:

2000
1
1
1
1
1
1
1
2
1
2
2
1
1
2
2
2
2
2
1
1
2
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2
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2
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2
2
2
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2
2
2
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2
2
2
2
2
2
2
2...

output:

8
0 0
8
2
8
0 1
8
2
8
0 2
8
2
8
0 3
8
2
8
0 4
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2
8
0 5
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0 6
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2
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0 7
8
2
8
1 7
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0 8
8
2
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0 9
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2
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1 9
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0 10
8
2
8
1 10
8
0 11
8
2
8
0 12
8
2
8
0 13
8
2
8
1 13
8
0 14
8
2
8
1 14
8
0 15
8
2
8
1 15
8
0 16
8
2
8
1 16
8
0 17
8
2
8
1 17
8
0 18
8
2
8
0 19
8
2
8
0 20
8
2
8
1 20
8
0 21
8
2
8
0 22
...

result:

points 0.94306666670 points  0.94306666670

Test #62:

score: 71.54
Acceptable Answer
time: 7ms
memory: 4192kb

input:

1998
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
2
1
1
1
1
1
1
2
2
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2
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1
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2
1
2
2
2
1
1
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2
2
1
2
2
1
1
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2
1
2
2
1
2
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2
1
2
2
1
2
2
2
1
2
2
1
2
2
2
2
2
2
2
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2
1
2
2
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2
1
2
2
2
2
1
2
1
2
2
2
2
2
2
2
2
2
2
1
2
2
2
2
2
2
2
2
2
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1
1
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1
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2
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2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2...

output:

8
0 0
8
2
8
0 1
8
2
8
0 2
8
2
8
0 3
8
2
8
0 4
8
2
8
0 5
8
2
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0 6
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0 7
8
2
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0 8
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2
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0 9
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2
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1 9
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8
0 11
8
2
8
0 12
8
2
8
0 13
8
2
8
0 14
8
2
8
0 15
8
2
8
0 16
8
2
8
1 16
8
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8
2
8
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8
2
8
0 19
8
2
8
0 20
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2
8
0 21
8
2
8
0 22
8
2
8
0 23
8
2
8
1 23
8
0 24
8
2
8
1 24
8
0 25
8...

result:

points 0.95386666670 points  0.95386666670

Test #63:

score: 71.38
Acceptable Answer
time: 5ms
memory: 4004kb

input:

2000
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
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1
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1
1
1
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2
1
1
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1
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1
2
2
1
1
1
1
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1
2
1
1
2
1
1
1
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2
1
2
1
1
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1
1
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1
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1
2
1
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2
1
2
1
2
1
2
2
1
1
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2
1
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1
1
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1
2
2
2
2
2
1
2
2
2
2
2
1
2
1
2
1
2
1
1
2
1
2
2
2...

output:

8
0 0
8
2
8
0 1
8
2
8
0 2
8
2
8
0 3
8
2
8
0 4
8
2
8
0 5
8
2
8
0 6
8
2
8
0 7
8
2
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0 8
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2
8
0 9
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2
8
0 10
8
2
8
0 11
8
2
8
0 12
8
2
8
0 13
8
2
8
0 14
8
2
8
0 15
8
2
8
0 16
8
2
8
1 16
8
0 17
8
2
8
0 18
8
2
8
0 19
8
2
8
0 20
8
2
8
0 21
8
2
8
1 21
8
0 22
8
2
8
1 22
8
0 23
8
2
8
1 23
8
0 24
8
2
8
0 25
...

result:

points 0.95173333330 points  0.95173333330

Test #64:

score: 75
Accepted
time: 15ms
memory: 4068kb

input:

1995
1
1
1
1
1
1
1
1
2
1
2
1
1
1
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
1
1
1
1
1
1
2
1
1
1
1
1
1
1
2
2
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
2
1
1
1
1
1
2
1
2
1
1
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2
1
1
1
1
1
1
1
1
1
2
1
2
1
1
2
1
2
2
2
2
1
2
2
2
2
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2
2
2
1
2
1
2
2
1
1
1
2
1
1
1
2
2
2
1
2
1
2
2
2
1
2
1
1
1
2
2
1
2
1
2
2
1...

output:

8
0 0
8
2
8
0 1
8
2
8
0 2
8
2
8
0 3
8
2
8
0 4
8
2
8
0 5
8
2
8
0 6
8
2
8
0 7
8
2
8
0 8
8
2
8
1 8
8
0 9
8
2
8
0 10
8
2
8
1 10
8
0 11
8
2
8
0 12
8
2
8
0 13
8
2
8
0 14
8
2
8
0 15
8
2
8
0 16
8
2
8
1 16
8
0 17
8
2
8
0 18
8
2
8
0 19
8
2
8
0 20
8
2
8
0 21
8
2
8
0 22
8
2
8
0 23
8
2
8
0 24
8
2
8
0 25
8
2
8
0 ...

result:

ok 

Test #65:

score: 75
Accepted
time: 0ms
memory: 4008kb

input:

1999
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
2
1
1
1
1
2
1
1
1
1
1
2
1
1
1
1
1
2
2
1
2
2
1
1
1
1
1
1
2
2
1
1
1
1
1
1
1
1
1
2
1
1
1
1
2
1
1
1
2
1
2
1
1
1
1
1
1
1
2
1
1
1
2
1
1
1
1
2
1
1
1
1...

output:

8
0 0
8
2
8
0 1
8
2
8
0 2
8
2
8
0 3
8
2
8
0 4
8
2
8
0 5
8
2
8
0 6
8
2
8
0 7
8
2
8
0 8
8
2
8
0 9
8
2
8
0 10
8
2
8
0 11
8
2
8
0 12
8
2
8
0 13
8
2
8
0 14
8
2
8
0 15
8
2
8
0 16
8
2
8
0 17
8
2
8
0 18
8
2
8
0 19
8
2
8
0 20
8
2
8
0 21
8
2
8
0 22
8
2
8
0 23
8
2
8
0 24
8
2
8
0 25
8
2
8
0 26
8
2
8
0 27
8
2
8
...

result:

ok 

Test #66:

score: 75
Accepted
time: 0ms
memory: 4244kb

input:

1998
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
1
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
2
2
2
1
1
1
1
1
1
1
1
1
1...

output:

8
0 0
8
2
8
0 1
8
2
8
0 2
8
2
8
0 3
8
2
8
0 4
8
2
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8
2
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8
2
8
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8
2
8
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8
2
8
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8
2
8
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8
2
8
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8
2
8
0 15
8
2
8
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8
2
8
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8
2
8
0 18
8
2
8
0 19
8
2
8
0 20
8
2
8
0 21
8
2
8
0 22
8
2
8
0 23
8
2
8
0 24
8
2
8
0 25
8
2
8
0 26
8
2
8
0 27
8
2
8
...

result:

ok 

Test #67:

score: 75
Accepted
time: 7ms
memory: 3988kb

input:

1999
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1...

output:

8
0 0
8
2
8
0 1
8
2
8
0 2
8
2
8
0 3
8
2
8
0 4
8
2
8
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8
2
8
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8
2
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8
2
8
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8
2
8
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8
2
8
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8
2
8
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8
2
8
0 12
8
2
8
0 13
8
2
8
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8
2
8
0 15
8
2
8
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8
2
8
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8
2
8
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8
2
8
0 19
8
2
8
0 20
8
2
8
0 21
8
2
8
0 22
8
2
8
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8
2
8
0 24
8
2
8
0 25
8
2
8
0 26
8
2
8
0 27
8
2
8
...

result:

ok 

Test #68:

score: 71.29
Acceptable Answer
time: 15ms
memory: 4060kb

input:

1979
1
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2...

output:

8
0 0
8
2
8
0 1
8
2
8
1 1
8
0 2
8
2
8
1 2
8
0 3
8
2
8
1 3
8
0 4
8
2
8
1 4
8
0 5
8
2
8
1 5
8
0 6
8
2
8
1 6
8
0 7
8
2
8
1 7
8
0 8
8
2
8
1 8
8
0 9
8
2
8
1 9
8
0 10
8
2
8
1 10
8
0 11
8
2
8
1 11
8
0 12
8
2
8
1 12
8
0 13
8
2
8
1 13
8
0 14
8
2
8
1 14
8
0 15
8
2
8
1 15
8
0 16
8
2
8
0 17
8
2
8
0 18
8
2
8
0 1...

result:

points 0.95053333330 points  0.95053333330

Test #69:

score: 71.29
Acceptable Answer
time: 6ms
memory: 4184kb

input:

1979
1
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
2
2
2
2
2
2
2
2
2
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2
2
2
2
2
2
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2
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2
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2
2
2
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2
2
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2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2...

output:

8
0 0
8
2
8
0 1
8
2
8
1 1
8
0 2
8
2
8
1 2
8
0 3
8
2
8
1 3
8
0 4
8
2
8
1 4
8
0 5
8
2
8
1 5
8
0 6
8
2
8
1 6
8
0 7
8
2
8
1 7
8
0 8
8
2
8
1 8
8
0 9
8
2
8
1 9
8
0 10
8
2
8
1 10
8
0 11
8
2
8
1 11
8
0 12
8
2
8
1 12
8
0 13
8
2
8
1 13
8
0 14
8
2
8
1 14
8
0 15
8
2
8
1 15
8
0 16
8
2
8
1 16
8
0 17
8
2
8
1 17
8
...

result:

points 0.95053333330 points  0.95053333330

Test #70:

score: 70.9
Acceptable Answer
time: 18ms
memory: 4348kb

input:

1979
1
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
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2
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2
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2
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2
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2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2...

output:

8
0 0
8
2
8
0 1
8
2
8
1 1
8
0 2
8
2
8
1 2
8
0 3
8
2
8
1 3
8
0 4
8
2
8
1 4
8
0 5
8
2
8
1 5
8
0 6
8
2
8
1 6
8
0 7
8
2
8
1 7
8
0 8
8
2
8
1 8
8
0 9
8
2
8
1 9
8
0 10
8
2
8
1 10
8
0 11
8
2
8
1 11
8
0 12
8
2
8
1 12
8
0 13
8
2
8
1 13
8
0 14
8
2
8
1 14
8
0 15
8
2
8
1 15
8
0 16
8
2
8
1 16
8
0 17
8
2
8
1 17
8
...

result:

points 0.94533333330 points  0.94533333330

Test #71:

score: 70.9
Acceptable Answer
time: 7ms
memory: 4200kb

input:

1979
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
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2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2...

output:

8
0 0
8
2
8
0 1
8
2
8
0 2
8
2
8
0 3
8
2
8
0 4
8
2
8
0 5
8
2
8
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8
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8
2
8
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8
2
8
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8
2
8
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8
2
8
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8
2
8
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8
2
8
0 14
8
2
8
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8
2
8
0 16
8
2
8
0 17
8
2
8
0 18
8
2
8
0 19
8
2
8
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8
2
8
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8
2
8
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8
2
8
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8
2
8
0 24
8
2
8
0 25
8
2
8
0 26
8
2
8
0 27
8
2
8
...

result:

points 0.94533333330 points  0.94533333330

Test #72:

score: 71.31
Acceptable Answer
time: 5ms
memory: 4284kb

input:

1981
1
2
2
2
2
2
2
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
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2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2...

output:

8
0 0
8
2
8
0 1
8
2
8
1 1
8
0 2
8
2
8
1 2
8
0 3
8
2
8
1 3
8
0 4
8
2
8
1 4
8
0 5
8
2
8
1 5
8
0 6
8
2
8
1 6
8
0 7
8
2
8
1 7
8
0 8
8
2
8
1 8
8
0 9
8
2
8
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8
2
8
0 11
8
2
8
0 12
8
2
8
0 13
8
2
8
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8
2
8
0 15
8
2
8
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8
2
8
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8
2
8
0 18
8
2
8
0 19
8
2
8
0 20
8
2
8
0 21
8
2
8
0 22
8
2
8
0 23
8
...

result:

points 0.95080 points  0.95080

Test #73:

score: 71.29
Acceptable Answer
time: 13ms
memory: 4048kb

input:

1981
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
2
1
1
1
1
2
2
1
1
1
1
1
2
2
1
2
1
2
1
1
1
2
2
1
2
2
2
2
2
1
1
2
1
2
1
2
2
2
2
2
2
2
1
1
1
2
1
2
2
2
2
2
2
1
2
1
1
1
2
2
1
2
2
2
2
2
2
2
2
2
2
2
2
1
1
2
2
2
1
1
2
2
2
2
1
2
2
2
2
2
2
2
2
2
2
2
2
2
2
1
2
2
1
2
2
2
2
2
2
2
2
2
2
2
2
1
2
1
2
2
2
2
2
2
2
2...

output:

8
0 0
8
2
8
0 1
8
2
8
0 2
8
2
8
0 3
8
2
8
0 4
8
2
8
0 5
8
2
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8
2
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2
8
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8
2
8
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8
2
8
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8
2
8
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8
2
8
0 13
8
2
8
1 13
8
0 14
8
2
8
0 15
8
2
8
0 16
8
2
8
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8
2
8
0 18
8
2
8
0 19
8
2
8
0 20
8
2
8
0 21
8
2
8
0 22
8
2
8
1 22
8
0 23
8
2
8
0 24
8
2
8
0 25
8
2
8
0 26
8
2...

result:

points 0.95053333330 points  0.95053333330

Test #74:

score: 72.17
Acceptable Answer
time: 21ms
memory: 4336kb

input:

1989
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2...

output:

8
0 0
8
2
8
0 1
8
2
8
0 2
8
2
8
0 3
8
2
8
0 4
8
2
8
0 5
8
2
8
0 6
8
2
8
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8
2
8
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8
2
8
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8
2
8
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8
2
8
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8
2
8
0 12
8
2
8
0 13
8
2
8
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8
2
8
0 15
8
2
8
0 16
8
2
8
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8
2
8
0 18
8
2
8
0 19
8
2
8
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8
2
8
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8
2
8
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8
2
8
0 23
8
2
8
0 24
8
2
8
0 25
8
2
8
0 26
8
2
8
0 27
8
2
8
...

result:

points 0.96226666670 points  0.96226666670

Test #75:

score: 72.17
Acceptable Answer
time: 15ms
memory: 4056kb

input:

1989
1
2
1
1
1
1
1
1
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2...

output:

8
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8
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...

result:

points 0.96226666670 points  0.96226666670

Test #76:

score: 71.42
Acceptable Answer
time: 14ms
memory: 4192kb

input:

1970
1
2
2
2
2
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2
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2...

output:

8
0 0
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8
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8
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8
2
8
0 1...

result:

points 0.95226666670 points  0.95226666670

Test #77:

score: 71.42
Acceptable Answer
time: 13ms
memory: 4112kb

input:

1970
1
1
1
1
1
1
1
1
1
1
1
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1
1...

output:

8
0 0
8
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2
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8
2
...

result:

points 0.95226666670 points  0.95226666670

Test #78:

score: 71.47
Acceptable Answer
time: 21ms
memory: 4016kb

input:

1980
1
2
2
2
2
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2
2
2
1
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2...

output:

8
0 0
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...

result:

points 0.95293333330 points  0.95293333330

Test #79:

score: 71.47
Acceptable Answer
time: 20ms
memory: 4112kb

input:

1980
1
1
1
1
1
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2...

output:

8
0 0
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8
...

result:

points 0.95293333330 points  0.95293333330

Test #80:

score: 72.17
Acceptable Answer
time: 10ms
memory: 4100kb

input:

2000
1
2
2
2
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2...

output:

8
0 0
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8
2
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0 ...

result:

points 0.96226666670 points  0.96226666670

Test #81:

score: 72.17
Acceptable Answer
time: 16ms
memory: 4028kb

input:

2000
1
2
2
2
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2...

output:

8
0 0
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8
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8
2
8
0 1...

result:

points 0.96226666670 points  0.96226666670

Test #82:

score: 71.45
Acceptable Answer
time: 22ms
memory: 4124kb

input:

2000
1
1
1
2
1
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1...

output:

8
0 0
8
2
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8
2
8
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8
2
8
0 25
8...

result:

points 0.95266666670 points  0.95266666670

Test #83:

score: 71.45
Acceptable Answer
time: 11ms
memory: 4108kb

input:

2000
1
1
1
1
1
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2...

output:

8
0 0
8
2
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0 1
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0 2
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8
2
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0 26
8
2
8
0 27
8
2
8
...

result:

points 0.95266666670 points  0.95266666670

Test #84:

score: 75
Accepted
time: 0ms
memory: 3936kb

input:

540
1
1
2
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1
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
...

output:

8
0 0
8
2
8
0 1
8
2
8
0 2
8
2
8
1 2
8
0 3
8
2
8
1 3
8
0 4
8
2
8
1 4
8
0 5
8
2
8
1 5
8
0 6
8
2
8
1 6
8
0 7
8
2
8
1 7
8
0 8
8
2
8
1 8
8
0 9
8
2
8
1 9
8
0 10
8
2
8
1 10
8
0 11
8
2
8
1 11
8
0 12
8
2
8
1 12
8
0 13
8
2
8
1 13
8
0 14
8
2
8
1 14
8
0 15
8
2
8
1 15
8
0 16
8
2
8
1 16
8
0 17
8
2
8
1 17
8
0 18
8...

result:

ok 

Test #85:

score: 75
Accepted
time: 0ms
memory: 4284kb

input:

1834
1
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
1
2
2
2
2
2
2
2
2
1
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
1
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2...

output:

8
0 0
8
2
8
0 1
8
2
8
1 1
8
0 2
8
2
8
1 2
8
0 3
8
2
8
1 3
8
0 4
8
2
8
1 4
8
0 5
8
2
8
1 5
8
0 6
8
2
8
1 6
8
0 7
8
2
8
1 7
8
0 8
8
2
8
1 8
8
0 9
8
2
8
1 9
8
0 10
8
2
8
1 10
8
0 11
8
2
8
1 11
8
0 12
8
2
8
1 12
8
0 13
8
2
8
1 13
8
0 14
8
2
8
1 14
8
0 15
8
2
8
1 15
8
0 16
8
2
8
0 17
8
2
8
1 17
8
0 18
8
...

result:

ok 

Test #86:

score: 70.4
Acceptable Answer
time: 12ms
memory: 4092kb

input:

2000
1
1
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2...

output:

8
0 0
8
2
8
0 1
8
2
8
0 2
8
2
8
1 2
8
0 3
8
2
8
1 3
8
0 4
8
2
8
1 4
8
0 5
8
2
8
1 5
8
0 6
8
2
8
1 6
8
0 7
8
2
8
1 7
8
0 8
8
2
8
1 8
8
0 9
8
2
8
1 9
8
0 10
8
2
8
1 10
8
0 11
8
2
8
1 11
8
0 12
8
2
8
1 12
8
0 13
8
2
8
1 13
8
0 14
8
2
8
1 14
8
0 15
8
2
8
1 15
8
0 16
8
2
8
1 16
8
0 17
8
2
8
1 17
8
0 18
8...

result:

points 0.93866666670 points  0.93866666670

Test #87:

score: 75
Accepted
time: 7ms
memory: 3972kb

input:

2000
1
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2...

output:

8
0 0
8
2
8
0 1
8
2
8
1 1
8
0 2
8
2
8
1 2
8
0 3
8
2
8
1 3
8
0 4
8
2
8
1 4
8
0 5
8
2
8
1 5
8
0 6
8
2
8
1 6
8
0 7
8
2
8
1 7
8
0 8
8
2
8
1 8
8
0 9
8
2
8
1 9
8
0 10
8
2
8
1 10
8
0 11
8
2
8
1 11
8
0 12
8
2
8
1 12
8
0 13
8
2
8
1 13
8
0 14
8
2
8
1 14
8
0 15
8
2
8
1 15
8
0 16
8
2
8
1 16
8
0 17
8
2
8
1 17
8
...

result:

ok 

Test #88:

score: 75
Accepted
time: 0ms
memory: 4028kb

input:

2000
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1...

output:

8
0 0
8
2
8
0 1
8
2
8
0 2
8
2
8
0 3
8
2
8
0 4
8
2
8
0 5
8
2
8
0 6
8
2
8
0 7
8
2
8
0 8
8
2
8
0 9
8
2
8
0 10
8
2
8
0 11
8
2
8
0 12
8
2
8
0 13
8
2
8
0 14
8
2
8
0 15
8
2
8
0 16
8
2
8
0 17
8
2
8
0 18
8
2
8
0 19
8
2
8
0 20
8
2
8
0 21
8
2
8
0 22
8
2
8
0 23
8
2
8
0 24
8
2
8
0 25
8
2
8
0 26
8
2
8
0 27
8
2
8
...

result:

ok 

Test #89:

score: 75
Accepted
time: 0ms
memory: 3952kb

input:

2000
1
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2...

output:

8
0 0
8
2
8
0 1
8
2
8
1 1
8
0 2
8
2
8
1 2
8
0 3
8
2
8
1 3
8
0 4
8
2
8
1 4
8
0 5
8
2
8
1 5
8
0 6
8
2
8
1 6
8
0 7
8
2
8
1 7
8
0 8
8
2
8
1 8
8
0 9
8
2
8
1 9
8
0 10
8
2
8
1 10
8
0 11
8
2
8
1 11
8
0 12
8
2
8
1 12
8
0 13
8
2
8
1 13
8
0 14
8
2
8
1 14
8
0 15
8
2
8
1 15
8
0 16
8
2
8
1 16
8
0 17
8
2
8
1 17
8
...

result:

ok