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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#594610#7619. Make SYSU Great Again IGodwangAC ✓205ms28672kbC++235.1kb2024-09-28 09:10:002024-09-28 09:10:02

Judging History

你现在查看的是最新测评结果

  • [2024-09-28 09:10:02]
  • 评测
  • 测评结果:AC
  • 用时:205ms
  • 内存:28672kb
  • [2024-09-28 09:10:00]
  • 提交

answer

#include <iostream>
using namespace std;
#include <set>
#include <algorithm>
#include <cmath>
#include <map>
#include <cstdio>
#include <string>
#include <cstring>
#include <string.h>
#include <stdlib.h>
#include <iomanip>
#include <fstream>
#include <stdio.h>
#include <stack>
#include <queue>
#include <ctype.h>
#include <vector>
#include <random>
#include<list> 
#define ll long long
#define ull unsigned long long
#define pb push_back
#define rep(i, a, n) for (ll i = a; i <= n; i++)
#define per(i, a, n) for (ll i = n; i >= a; i--)
#define pii pair<int, int>
#define pli pair<ll, int>
#define pil pair<int, ll>
#define pll pair<ll, ll>
#define lowbit(x) ((x)&(-x))
ll extend_gcd(ll a, ll b, ll &x, ll &y)
{
    if (b == 0)
    {
        x = 1;
        y = 0;
        return a;
    }
    ll d = extend_gcd(b, a % b, y, x);
    y -= a / b * x;
    return d;
}
ll fastpow(ll a, ll n, ll mod)
{
    ll ans = 1;
    a %= mod;
    while (n)
    {
        if (n & 1)
            ans = (ans * a) % mod; //% mod
        a = (a * a) % mod;         //% mod
        n >>= 1;
    }
    return ans;
}

inline void write(__int128 x)
{
    if (x > 9)
    {
        write(x / 10);
    }
    putchar(x % 10 + '0');
}
__int128 sqrt(__int128 m)
{
    __int128 leftt = 0, rightt = ((__int128)1) << 51, ret = -1, mid;
    while (leftt < rightt)
    {
        mid = (leftt + rightt) / 2;
        if (mid * mid > m)
        {
            rightt = mid;
        }    
        else
        {
            leftt = mid + 1;
            ret = mid;
        }
    }
    return ret;
}

const double eps = 1e-6;
int sgn(double x)
{
    if(fabs(x)<eps)
    {
        return 0;
    }
    else return x<0?-1:1;
}

struct Point
{
    double x,y;
    Point()
    {

    }
    Point(double x,double y):x(x),y(y)
    {

    }
    Point operator + (Point B)
    {
        return Point(x+B.x,y+B.y);
    }
    Point operator - (Point B)
    {
        return Point(x-B.x,y-B.y);
    }
    bool operator == (Point B)
    {
        return sgn(x-B.x)==0&&sgn(y-B.y)==0;
    }
    bool operator < (Point B)
    {
        return sgn(x-B.x)<0||(sgn(x-B.x)==0&&sgn(y-B.y)<0);
    }
};
typedef Point Vector;
double Cross(Vector A,Vector B)//叉积
{
    return A.x*B.y-A.y*B.x;
}
double Distance(Point A,Point B)
{
    return hypot(A.x-B.x,A.y-B.y);
}
int Convex_hull(Point *p,int n,Point *ch)
{
    n=unique(p,p+n)-p;
    sort(p,p+n);
    int v=0;

    for(int i=0;i<n;i++)
    {
        while (v>1&&sgn(Cross(ch[v-1]-ch[v-2],p[i]-ch[v-1]))<=0)
        {
            v--;
        }
        ch[v++]=p[i];
    }

    int j=v;

    for(int i=n-2;i>=0;i--)
    {
        while (v>j&&sgn(Cross(ch[v-1]-ch[v-2],p[i]-ch[v-1]))<=0)
        {
            v--;
        }
        ch[v++]=p[i];
    }
    if(n>1)
    {
        v--;
    }
    return v;
}

int kmp(string s, string p)
{
    int ans = 0, lastt = -1;
    int lenp = p.size();
    vector<int > Next(lenp+3,0);
    rep(i, 1, lenp - 1)
    {
        int j = Next[i];
        while (j && p[j] != p[i])
        {
            j = Next[j];
        }
        if (p[j] == p[i])
        {
            Next[i + 1] = j + 1;
        }
        else
        {
            Next[i + 1] = 0;
        }
    }
    int lens = s.size();
    int j = 0;
    rep(i, 0, lens - 1)
    {
        while (j && s[i] != p[j])
        {
            j = Next[j];
        }
        if (s[i] == p[j])
        {
            j++;
        }
        if (j == lenp)
        {
            ans++;
        }
    }
    return ans;
}

int dir[4][2] =
    {
        {-1, 0}, {0, 1}, {1, 0}, {0, -1}}; // 左右上下
// int dir[8][2]={
//         {-1, 0}, {0, 1}, {1, 0}, {0, -1},{-1,-1},{-1,1},{1,-1},{1,1}
// };
        
#define endl '\n'//交互题请删除本行
const ll inf = 1000000000000000000ll;
const ll mod1 = 998244353ll, P1 = 131, mod2 = 1e9 + 7ll, P2 = 13331;
ll inverse(ll x)
{
    return fastpow(x,mod1-2,mod1);
}

const int N = 3e6 + 10, M = 1e6 + 10;

///////////////////////////////////

int tt;

int n,k;

map<pii,bool > ma;

///////////////////////////////////







///////////////////////////////////

void init()
{

}

///////////////////////////////////


int main()
{
    ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);//交互题请删除本行
    //freopen("ain.txt", "r", stdin); freopen("aout.txt", "w", stdout);
    
    cin>>n>>k;

    k-=2*n-1;
    rep(i,1,2*n-1)
    {
        
        if(i%2==1)
        {
            ma[{i/2+1,i/2+1}]=1;
            cout<<i/2+1<<" "<<i/2+1<<endl;
        }
        else
        {
            ma[{i/2,i/2+1}]=1;
            cout<<i/2<<" "<<i/2+1<<endl;
        }
    }
    ma[{n,1}]=1;
    cout<<n<<" "<<1<<endl;
    k--;
    rep(i,1,n)
    {
        rep(j,1,n)
        {
            if(k==0)
            {
                exit(0);
            }
            if(ma.count({i,j})==0)
            {
                cout<<i<<" "<<j<<endl;
                k--;
            }
        }
    }



    return 0;
}

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: 1ms
memory: 3744kb

input:

3 6

output:

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

result:

ok The answer is correct.

Test #2:

score: 0
Accepted
time: 0ms
memory: 3656kb

input:

3 7

output:

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

result:

ok The answer is correct.

Test #3:

score: 0
Accepted
time: 1ms
memory: 3656kb

input:

2 4

output:

1 1
1 2
2 2
2 1

result:

ok The answer is correct.

Test #4:

score: 0
Accepted
time: 0ms
memory: 3668kb

input:

3 9

output:

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

result:

ok The answer is correct.

Test #5:

score: 0
Accepted
time: 0ms
memory: 3648kb

input:

10 20

output:

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

result:

ok The answer is correct.

Test #6:

score: 0
Accepted
time: 0ms
memory: 3712kb

input:

10 100

output:

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

result:

ok The answer is correct.

Test #7:

score: 0
Accepted
time: 0ms
memory: 3668kb

input:

32 64

output:

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

result:

ok The answer is correct.

Test #8:

score: 0
Accepted
time: 123ms
memory: 28624kb

input:

200000 400000

output:

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

result:

ok The answer is correct.

Test #9:

score: 0
Accepted
time: 166ms
memory: 28672kb

input:

200000 745589

output:

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

result:

ok The answer is correct.

Test #10:

score: 0
Accepted
time: 189ms
memory: 28644kb

input:

199999 978736

output:

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

result:

ok The answer is correct.

Test #11:

score: 0
Accepted
time: 135ms
memory: 28544kb

input:

198054 619549

output:

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

result:

ok The answer is correct.

Test #12:

score: 0
Accepted
time: 100ms
memory: 19012kb

input:

123124 567865

output:

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

result:

ok The answer is correct.

Test #13:

score: 0
Accepted
time: 87ms
memory: 19132kb

input:

124252 416756

output:

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

result:

ok The answer is correct.

Test #14:

score: 0
Accepted
time: 113ms
memory: 16592kb

input:

103503 748077

output:

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

result:

ok The answer is correct.

Test #15:

score: 0
Accepted
time: 152ms
memory: 18648kb

input:

120394 987331

output:

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

result:

ok The answer is correct.

Test #16:

score: 0
Accepted
time: 108ms
memory: 19208kb

input:

123942 619710

output:

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

result:

ok The answer is correct.

Test #17:

score: 0
Accepted
time: 127ms
memory: 10004kb

input:

51251 1000000

output:

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

result:

ok The answer is correct.

Test #18:

score: 0
Accepted
time: 118ms
memory: 28660kb

input:

200000 400001

output:

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

result:

ok The answer is correct.

Test #19:

score: 0
Accepted
time: 122ms
memory: 28600kb

input:

199999 400001

output:

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

result:

ok The answer is correct.

Test #20:

score: 0
Accepted
time: 48ms
memory: 16124kb

input:

100000 200000

output:

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

result:

ok The answer is correct.

Test #21:

score: 0
Accepted
time: 7ms
memory: 5416kb

input:

14125 28290

output:

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

result:

ok The answer is correct.

Test #22:

score: 0
Accepted
time: 205ms
memory: 28664kb

input:

200000 1000000

output:

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

result:

ok The answer is correct.

Test #23:

score: 0
Accepted
time: 150ms
memory: 16188kb

input:

100000 1000000

output:

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

result:

ok The answer is correct.

Test #24:

score: 0
Accepted
time: 76ms
memory: 3764kb

input:

1000 1000000

output:

1 1
1 2
2 2
2 3
3 3
3 4
4 4
4 5
5 5
5 6
6 6
6 7
7 7
7 8
8 8
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result:

ok The answer is correct.

Test #25:

score: 0
Accepted
time: 25ms
memory: 3712kb

input:

532 283024

output:

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27 28
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28 29...

result:

ok The answer is correct.

Test #26:

score: 0
Accepted
time: 104ms
memory: 18780kb

input:

121434 568983

output:

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27 27
27 28
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28 29...

result:

ok The answer is correct.

Test #27:

score: 0
Accepted
time: 3ms
memory: 5048kb

input:

11111 32222

output:

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27 27
27 28
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28 29...

result:

ok The answer is correct.

Test #28:

score: 0
Accepted
time: 146ms
memory: 28664kb

input:

200000 600000

output:

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2 3
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28 29...

result:

ok The answer is correct.

Test #29:

score: 0
Accepted
time: 0ms
memory: 3696kb

input:

64 128

output:

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27 27
27 28
28 28
28 29...

result:

ok The answer is correct.

Test #30:

score: 0
Accepted
time: 1ms
memory: 3756kb

input:

128 8920

output:

1 1
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27 28
28 28
28 29...

result:

ok The answer is correct.

Extra Test:

score: 0
Extra Test Passed