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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#247234#7619. Make SYSU Great Again Iucup-team1055#AC ✓340ms57872kbC++202.1kb2023-11-11 13:43:472023-11-11 13:43:48

Judging History

你现在查看的是最新测评结果

  • [2023-11-11 13:43:48]
  • 评测
  • 测评结果:AC
  • 用时:340ms
  • 内存:57872kb
  • [2023-11-11 13:43:47]
  • 提交

answer

#include <bits/stdc++.h>

#define rep(i,s,n) for(int i = int(s); i < int(n); i++)
#define rrep(i,s,n) for(int i = int(n) - 1; i >= int(s); i--)
#define all(v) (v).begin(), (v).end()

using ll = long long;
using ull = unsigned long long;
using ld = long double;

template<class T>
bool chmin(T &a, T b) {
    if(a <= b) return false;
    a = b;
    return true;
}

template<class T>
bool chmax(T &a, T b) {
    if(a >= b) return false;
    a = b;
    return true;
}

using namespace std;

void assertion(int n, int k, vector<pair<int,int>> p){
    vector<vector<int>> a(n, vector<int>(n));
    assert((int)p.size() == k);
    rep(i,0,(int)p.size()){
        assert (a[p[i].first][p[i].second] == 0);
        a[p[i].first][p[i].second] = i + 1;
    }
    rep(i,0,n){
        int g = 0;
        int cnt = 0;
        rep(j,0,n){
            g = __gcd(a[i][j], g);
            if(a[i][j] != 0) cnt++;
        }
        assert(cnt >= 2);
        int g2 = 0;
        cnt = 0;
        rep(j,0,n){
            g2 = __gcd(a[j][i], g2);
            if (a[j][i] != 0) cnt++;
        }
        assert(cnt >= 2);
        assert (g == g2);
    }
}

int main() {
    cin.tie(nullptr);
    ios::sync_with_stdio(false);

    int n, k; cin >> n >> k;
    //vector<vector<int>> a(n, vector<int>(n));
    set<pair<int,int>> st;
    int x = 0;
    int y = 0;

    vector<pair<int,int>> ans(k);
    int piv = 0;
    rep(i,0,2*n){
        if (i % 2 == 0){
            st.insert(pair(x, y));
            ans[piv] = pair(x, y);
            piv++;
            x++;
            x%=n;
        }else{
            st.insert(pair(x, y));
            ans[piv] = pair(x, y);
            piv++;
            y++;
            y%=n;
        }
    }
    rep(i,0,n){
        rep(j,0,n){
            if (piv>=k) break;
            if (st.find(pair(i,j)) == st.end()){
                st.insert(pair(i,j));
                ans[piv] = pair(i,j);
                piv++;
            }
        }
        if(piv>=k) break;
    }
    //assertion(n,k,ans);
    rep(i,0,k){
        cout << ans[i].first+1 << ' ' << ans[i].second+1 << '\n';
    }
}

这程序好像有点Bug,我给组数据试试?

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 3820kb

input:

3 6

output:

1 1
2 1
2 2
3 2
3 3
1 3

result:

ok The answer is correct.

Test #2:

score: 0
Accepted
time: 0ms
memory: 3528kb

input:

3 7

output:

1 1
2 1
2 2
3 2
3 3
1 3
1 2

result:

ok The answer is correct.

Test #3:

score: 0
Accepted
time: 1ms
memory: 3764kb

input:

2 4

output:

1 1
2 1
2 2
1 2

result:

ok The answer is correct.

Test #4:

score: 0
Accepted
time: 0ms
memory: 3524kb

input:

3 9

output:

1 1
2 1
2 2
3 2
3 3
1 3
1 2
2 3
3 1

result:

ok The answer is correct.

Test #5:

score: 0
Accepted
time: 0ms
memory: 3520kb

input:

10 20

output:

1 1
2 1
2 2
3 2
3 3
4 3
4 4
5 4
5 5
6 5
6 6
7 6
7 7
8 7
8 8
9 8
9 9
10 9
10 10
1 10

result:

ok The answer is correct.

Test #6:

score: 0
Accepted
time: 0ms
memory: 3816kb

input:

10 100

output:

1 1
2 1
2 2
3 2
3 3
4 3
4 4
5 4
5 5
6 5
6 6
7 6
7 7
8 7
8 8
9 8
9 9
10 9
10 10
1 10
1 2
1 3
1 4
1 5
1 6
1 7
1 8
1 9
2 3
2 4
2 5
2 6
2 7
2 8
2 9
2 10
3 1
3 4
3 5
3 6
3 7
3 8
3 9
3 10
4 1
4 2
4 5
4 6
4 7
4 8
4 9
4 10
5 1
5 2
5 3
5 6
5 7
5 8
5 9
5 10
6 1
6 2
6 3
6 4
6 7
6 8
6 9
6 10
7 1
7 2
7 3
7 4
7 5...

result:

ok The answer is correct.

Test #7:

score: 0
Accepted
time: 0ms
memory: 3620kb

input:

32 64

output:

1 1
2 1
2 2
3 2
3 3
4 3
4 4
5 4
5 5
6 5
6 6
7 6
7 7
8 7
8 8
9 8
9 9
10 9
10 10
11 10
11 11
12 11
12 12
13 12
13 13
14 13
14 14
15 14
15 15
16 15
16 16
17 16
17 17
18 17
18 18
19 18
19 19
20 19
20 20
21 20
21 21
22 21
22 22
23 22
23 23
24 23
24 24
25 24
25 25
26 25
26 26
27 26
27 27
28 27
28 28
29 28...

result:

ok The answer is correct.

Test #8:

score: 0
Accepted
time: 110ms
memory: 25020kb

input:

200000 400000

output:

1 1
2 1
2 2
3 2
3 3
4 3
4 4
5 4
5 5
6 5
6 6
7 6
7 7
8 7
8 8
9 8
9 9
10 9
10 10
11 10
11 11
12 11
12 12
13 12
13 13
14 13
14 14
15 14
15 15
16 15
16 16
17 16
17 17
18 17
18 18
19 18
19 19
20 19
20 20
21 20
21 21
22 21
22 22
23 22
23 23
24 23
24 24
25 24
25 25
26 25
26 26
27 26
27 27
28 27
28 28
29 28...

result:

ok The answer is correct.

Test #9:

score: 0
Accepted
time: 242ms
memory: 44000kb

input:

200000 745589

output:

1 1
2 1
2 2
3 2
3 3
4 3
4 4
5 4
5 5
6 5
6 6
7 6
7 7
8 7
8 8
9 8
9 9
10 9
10 10
11 10
11 11
12 11
12 12
13 12
13 13
14 13
14 14
15 14
15 15
16 15
16 16
17 16
17 17
18 17
18 18
19 18
19 19
20 19
20 20
21 20
21 21
22 21
22 22
23 22
23 23
24 23
24 24
25 24
25 25
26 25
26 26
27 26
27 27
28 27
28 28
29 28...

result:

ok The answer is correct.

Test #10:

score: 0
Accepted
time: 330ms
memory: 56748kb

input:

199999 978736

output:

1 1
2 1
2 2
3 2
3 3
4 3
4 4
5 4
5 5
6 5
6 6
7 6
7 7
8 7
8 8
9 8
9 9
10 9
10 10
11 10
11 11
12 11
12 12
13 12
13 13
14 13
14 14
15 14
15 15
16 15
16 16
17 16
17 17
18 17
18 18
19 18
19 19
20 19
20 20
21 20
21 21
22 21
22 22
23 22
23 23
24 23
24 24
25 24
25 25
26 25
26 26
27 26
27 27
28 27
28 28
29 28...

result:

ok The answer is correct.

Test #11:

score: 0
Accepted
time: 197ms
memory: 37156kb

input:

198054 619549

output:

1 1
2 1
2 2
3 2
3 3
4 3
4 4
5 4
5 5
6 5
6 6
7 6
7 7
8 7
8 8
9 8
9 9
10 9
10 10
11 10
11 11
12 11
12 12
13 12
13 13
14 13
14 14
15 14
15 15
16 15
16 16
17 16
17 17
18 17
18 18
19 18
19 19
20 19
20 20
21 20
21 21
22 21
22 22
23 22
23 23
24 23
24 24
25 24
25 25
26 25
26 26
27 26
27 27
28 27
28 28
29 28...

result:

ok The answer is correct.

Test #12:

score: 0
Accepted
time: 170ms
memory: 34064kb

input:

123124 567865

output:

1 1
2 1
2 2
3 2
3 3
4 3
4 4
5 4
5 5
6 5
6 6
7 6
7 7
8 7
8 8
9 8
9 9
10 9
10 10
11 10
11 11
12 11
12 12
13 12
13 13
14 13
14 14
15 14
15 15
16 15
16 16
17 16
17 17
18 17
18 18
19 18
19 19
20 19
20 20
21 20
21 21
22 21
22 22
23 22
23 23
24 23
24 24
25 24
25 25
26 25
26 26
27 26
27 27
28 27
28 28
29 28...

result:

ok The answer is correct.

Test #13:

score: 0
Accepted
time: 117ms
memory: 26008kb

input:

124252 416756

output:

1 1
2 1
2 2
3 2
3 3
4 3
4 4
5 4
5 5
6 5
6 6
7 6
7 7
8 7
8 8
9 8
9 9
10 9
10 10
11 10
11 11
12 11
12 12
13 12
13 13
14 13
14 14
15 14
15 15
16 15
16 16
17 16
17 17
18 17
18 18
19 18
19 19
20 19
20 20
21 20
21 21
22 21
22 22
23 22
23 23
24 23
24 24
25 24
25 25
26 25
26 26
27 26
27 27
28 27
28 28
29 28...

result:

ok The answer is correct.

Test #14:

score: 0
Accepted
time: 232ms
memory: 44068kb

input:

103503 748077

output:

1 1
2 1
2 2
3 2
3 3
4 3
4 4
5 4
5 5
6 5
6 6
7 6
7 7
8 7
8 8
9 8
9 9
10 9
10 10
11 10
11 11
12 11
12 12
13 12
13 13
14 13
14 14
15 14
15 15
16 15
16 16
17 16
17 17
18 17
18 18
19 18
19 19
20 19
20 20
21 20
21 21
22 21
22 22
23 22
23 23
24 23
24 24
25 24
25 25
26 25
26 26
27 26
27 27
28 27
28 28
29 28...

result:

ok The answer is correct.

Test #15:

score: 0
Accepted
time: 318ms
memory: 57012kb

input:

120394 987331

output:

1 1
2 1
2 2
3 2
3 3
4 3
4 4
5 4
5 5
6 5
6 6
7 6
7 7
8 7
8 8
9 8
9 9
10 9
10 10
11 10
11 11
12 11
12 12
13 12
13 13
14 13
14 14
15 14
15 15
16 15
16 16
17 16
17 17
18 17
18 18
19 18
19 19
20 19
20 20
21 20
21 21
22 21
22 22
23 22
23 23
24 23
24 24
25 24
25 25
26 25
26 26
27 26
27 27
28 27
28 28
29 28...

result:

ok The answer is correct.

Test #16:

score: 0
Accepted
time: 183ms
memory: 37092kb

input:

123942 619710

output:

1 1
2 1
2 2
3 2
3 3
4 3
4 4
5 4
5 5
6 5
6 6
7 6
7 7
8 7
8 8
9 8
9 9
10 9
10 10
11 10
11 11
12 11
12 12
13 12
13 13
14 13
14 14
15 14
15 15
16 15
16 16
17 16
17 17
18 17
18 18
19 18
19 19
20 19
20 20
21 20
21 21
22 21
22 22
23 22
23 23
24 23
24 24
25 24
25 25
26 25
26 26
27 26
27 27
28 27
28 28
29 28...

result:

ok The answer is correct.

Test #17:

score: 0
Accepted
time: 340ms
memory: 57704kb

input:

51251 1000000

output:

1 1
2 1
2 2
3 2
3 3
4 3
4 4
5 4
5 5
6 5
6 6
7 6
7 7
8 7
8 8
9 8
9 9
10 9
10 10
11 10
11 11
12 11
12 12
13 12
13 13
14 13
14 14
15 14
15 15
16 15
16 16
17 16
17 17
18 17
18 18
19 18
19 19
20 19
20 20
21 20
21 21
22 21
22 22
23 22
23 23
24 23
24 24
25 24
25 25
26 25
26 26
27 26
27 27
28 27
28 28
29 28...

result:

ok The answer is correct.

Test #18:

score: 0
Accepted
time: 108ms
memory: 24852kb

input:

200000 400001

output:

1 1
2 1
2 2
3 2
3 3
4 3
4 4
5 4
5 5
6 5
6 6
7 6
7 7
8 7
8 8
9 8
9 9
10 9
10 10
11 10
11 11
12 11
12 12
13 12
13 13
14 13
14 14
15 14
15 15
16 15
16 16
17 16
17 17
18 17
18 18
19 18
19 19
20 19
20 20
21 20
21 21
22 21
22 22
23 22
23 23
24 23
24 24
25 24
25 25
26 25
26 26
27 26
27 27
28 27
28 28
29 28...

result:

ok The answer is correct.

Test #19:

score: 0
Accepted
time: 102ms
memory: 24952kb

input:

199999 400001

output:

1 1
2 1
2 2
3 2
3 3
4 3
4 4
5 4
5 5
6 5
6 6
7 6
7 7
8 7
8 8
9 8
9 9
10 9
10 10
11 10
11 11
12 11
12 12
13 12
13 13
14 13
14 14
15 14
15 15
16 15
16 16
17 16
17 17
18 17
18 18
19 18
19 19
20 19
20 20
21 20
21 21
22 21
22 22
23 22
23 23
24 23
24 24
25 24
25 25
26 25
26 26
27 26
27 27
28 27
28 28
29 28...

result:

ok The answer is correct.

Test #20:

score: 0
Accepted
time: 49ms
memory: 14188kb

input:

100000 200000

output:

1 1
2 1
2 2
3 2
3 3
4 3
4 4
5 4
5 5
6 5
6 6
7 6
7 7
8 7
8 8
9 8
9 9
10 9
10 10
11 10
11 11
12 11
12 12
13 12
13 13
14 13
14 14
15 14
15 15
16 15
16 16
17 16
17 17
18 17
18 18
19 18
19 19
20 19
20 20
21 20
21 21
22 21
22 22
23 22
23 23
24 23
24 24
25 24
25 25
26 25
26 26
27 26
27 27
28 27
28 28
29 28...

result:

ok The answer is correct.

Test #21:

score: 0
Accepted
time: 6ms
memory: 4928kb

input:

14125 28290

output:

1 1
2 1
2 2
3 2
3 3
4 3
4 4
5 4
5 5
6 5
6 6
7 6
7 7
8 7
8 8
9 8
9 9
10 9
10 10
11 10
11 11
12 11
12 12
13 12
13 13
14 13
14 14
15 14
15 15
16 15
16 16
17 16
17 17
18 17
18 18
19 18
19 19
20 19
20 20
21 20
21 21
22 21
22 22
23 22
23 23
24 23
24 24
25 24
25 25
26 25
26 26
27 26
27 27
28 27
28 28
29 28...

result:

ok The answer is correct.

Test #22:

score: 0
Accepted
time: 334ms
memory: 57872kb

input:

200000 1000000

output:

1 1
2 1
2 2
3 2
3 3
4 3
4 4
5 4
5 5
6 5
6 6
7 6
7 7
8 7
8 8
9 8
9 9
10 9
10 10
11 10
11 11
12 11
12 12
13 12
13 13
14 13
14 14
15 14
15 15
16 15
16 16
17 16
17 17
18 17
18 18
19 18
19 19
20 19
20 20
21 20
21 21
22 21
22 22
23 22
23 23
24 23
24 24
25 24
25 25
26 25
26 26
27 26
27 27
28 27
28 28
29 28...

result:

ok The answer is correct.

Test #23:

score: 0
Accepted
time: 322ms
memory: 57720kb

input:

100000 1000000

output:

1 1
2 1
2 2
3 2
3 3
4 3
4 4
5 4
5 5
6 5
6 6
7 6
7 7
8 7
8 8
9 8
9 9
10 9
10 10
11 10
11 11
12 11
12 12
13 12
13 13
14 13
14 14
15 14
15 15
16 15
16 16
17 16
17 17
18 17
18 18
19 18
19 19
20 19
20 20
21 20
21 21
22 21
22 22
23 22
23 23
24 23
24 24
25 24
25 25
26 25
26 26
27 26
27 27
28 27
28 28
29 28...

result:

ok The answer is correct.

Test #24:

score: 0
Accepted
time: 248ms
memory: 57852kb

input:

1000 1000000

output:

1 1
2 1
2 2
3 2
3 3
4 3
4 4
5 4
5 5
6 5
6 6
7 6
7 7
8 7
8 8
9 8
9 9
10 9
10 10
11 10
11 11
12 11
12 12
13 12
13 13
14 13
14 14
15 14
15 15
16 15
16 16
17 16
17 17
18 17
18 18
19 18
19 19
20 19
20 20
21 20
21 21
22 21
22 22
23 22
23 23
24 23
24 24
25 24
25 25
26 25
26 26
27 26
27 27
28 27
28 28
29 28...

result:

ok The answer is correct.

Test #25:

score: 0
Accepted
time: 72ms
memory: 18596kb

input:

532 283024

output:

1 1
2 1
2 2
3 2
3 3
4 3
4 4
5 4
5 5
6 5
6 6
7 6
7 7
8 7
8 8
9 8
9 9
10 9
10 10
11 10
11 11
12 11
12 12
13 12
13 13
14 13
14 14
15 14
15 15
16 15
16 16
17 16
17 17
18 17
18 18
19 18
19 19
20 19
20 20
21 20
21 21
22 21
22 22
23 22
23 23
24 23
24 24
25 24
25 25
26 25
26 26
27 26
27 27
28 27
28 28
29 28...

result:

ok The answer is correct.

Test #26:

score: 0
Accepted
time: 173ms
memory: 34300kb

input:

121434 568983

output:

1 1
2 1
2 2
3 2
3 3
4 3
4 4
5 4
5 5
6 5
6 6
7 6
7 7
8 7
8 8
9 8
9 9
10 9
10 10
11 10
11 11
12 11
12 12
13 12
13 13
14 13
14 14
15 14
15 15
16 15
16 16
17 16
17 17
18 17
18 18
19 18
19 19
20 19
20 20
21 20
21 21
22 21
22 22
23 22
23 23
24 23
24 24
25 24
25 25
26 25
26 26
27 26
27 27
28 27
28 28
29 28...

result:

ok The answer is correct.

Test #27:

score: 0
Accepted
time: 8ms
memory: 5120kb

input:

11111 32222

output:

1 1
2 1
2 2
3 2
3 3
4 3
4 4
5 4
5 5
6 5
6 6
7 6
7 7
8 7
8 8
9 8
9 9
10 9
10 10
11 10
11 11
12 11
12 12
13 12
13 13
14 13
14 14
15 14
15 15
16 15
16 16
17 16
17 17
18 17
18 18
19 18
19 19
20 19
20 20
21 20
21 21
22 21
22 22
23 22
23 23
24 23
24 24
25 24
25 25
26 25
26 26
27 26
27 27
28 27
28 28
29 28...

result:

ok The answer is correct.

Test #28:

score: 0
Accepted
time: 164ms
memory: 36028kb

input:

200000 600000

output:

1 1
2 1
2 2
3 2
3 3
4 3
4 4
5 4
5 5
6 5
6 6
7 6
7 7
8 7
8 8
9 8
9 9
10 9
10 10
11 10
11 11
12 11
12 12
13 12
13 13
14 13
14 14
15 14
15 15
16 15
16 16
17 16
17 17
18 17
18 18
19 18
19 19
20 19
20 20
21 20
21 21
22 21
22 22
23 22
23 23
24 23
24 24
25 24
25 25
26 25
26 26
27 26
27 27
28 27
28 28
29 28...

result:

ok The answer is correct.

Test #29:

score: 0
Accepted
time: 0ms
memory: 3528kb

input:

64 128

output:

1 1
2 1
2 2
3 2
3 3
4 3
4 4
5 4
5 5
6 5
6 6
7 6
7 7
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29 28...

result:

ok The answer is correct.

Test #30:

score: 0
Accepted
time: 0ms
memory: 4300kb

input:

128 8920

output:

1 1
2 1
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29 28...

result:

ok The answer is correct.

Extra Test:

score: 0
Extra Test Passed