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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#666381#7619. Make SYSU Great Again IMiniLongRE 1ms5624kbC++142.7kb2024-10-22 18:06:052024-10-22 18:06:06

Judging History

你现在查看的是最新测评结果

  • [2024-10-22 18:06:06]
  • 评测
  • 测评结果:RE
  • 用时:1ms
  • 内存:5624kb
  • [2024-10-22 18:06:05]
  • 提交

answer

#include <bits/stdc++.h>
#define _rep(i, x, y) for(int i = x; i <= y; ++i)
#define _req(i, x, y) for(int i = x; i >= y; --i)
#define _rev(i, u) for(int i = head[u]; i; i = e[i].nxt)
#define pb push_back
#define fi first
#define se second
#define mst(f, i) memset(f, i, sizeof f)
using namespace std;
#ifdef ONLINE_JUDGE
#define debug(...) 0
#else
#define debug(...) fprintf(stderr, __VA_ARGS__), fflush(stderr)
#endif
typedef long long ll;
typedef pair<int, int> PII;
namespace fastio{
    #ifdef ONLINE_JUDGE
    char ibuf[1 << 20],*p1 = ibuf, *p2 = ibuf;
    #define get() p1 == p2 && (p2 = (p1 = ibuf) + fread(ibuf, 1, 1 << 20, stdin), p1 == p2) ? EOF : *p1++
    #else
    #define get() getchar()
    #endif
    template<typename T> inline void read(T &t){
        T x = 0, f = 1;
        char c = getchar();
        while(!isdigit(c)){
            if(c == '-') f = -f;
            c = getchar();
        }
        while(isdigit(c)) x = x * 10 + c - '0', c = getchar();
        t = x * f;
    }
    template<typename T, typename ... Args> inline void read(T &t, Args&... args){
        read(t);
        read(args...);
    }
    template<typename T> void write(T t){
        if(t < 0) putchar('-'), t = -t;
        if(t >= 10) write(t / 10);
        putchar(t % 10 + '0');
    }
    template<typename T, typename ... Args> void write(T t, Args... args){
        write(t), putchar(' '), write(args...);
    }
    template<typename T> void writeln(T t){
        write(t);
        puts("");
    }
    template<typename T> void writes(T t){
        write(t), putchar(' ');
    }
    #undef get
};
using namespace fastio;
#define multitest() int T; read(T); _rep(tCase, 1, T)
namespace Calculation{
    const ll mod = 998244353;
    ll ksm(ll p, ll h){ll base = p % mod, res = 1; while(h){if(h & 1ll) res = res * base % mod; base = base * base % mod, h >>= 1ll;} return res;}
    void dec(ll &x, ll y){x = ((x - y) % mod + mod) % mod;}
    void add(ll &x, ll y){x = (x + y) % mod;}
    void mul(ll &x, ll y){x = x * y % mod;}
    ll sub(ll x, ll y){return ((x - y) % mod + mod) % mod;}
    ll pls(ll x, ll y){return ((x + y) % mod + mod) % mod;}
    ll mult(ll x, ll y){return x * y % mod;}
}
using namespace Calculation;
const int N = 2e5 + 5, M = 1e6 + 5;
int n, k;
PII a[N];
map<PII, bool> vis;
int main(){
    read(n, k);
    _rep(i, 1, 2 * n) a[i] = {(i - 1) / 2 + 1, i / 2 % n + 1};
    _rep(i, 1, 2 * n) vis[{a[i].fi, a[i].se}] = 1;
    int cnt = 2 * n;
    _rep(i, 1, n){
        _rep(j, 1, n){
            if(cnt > k) break;
            if(vis[{i, j}]) continue;
            a[++cnt] = {i, j};
        }
        if(cnt > k) break;
    }
    _rep(i, 1, k) write(a[i].fi, a[i].se), puts("");
    return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 1ms
memory: 3708kb

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: 5568kb

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: 0ms
memory: 3644kb

input:

2 4

output:

1 1
1 2
2 2
2 1

result:

ok The answer is correct.

Test #4:

score: 0
Accepted
time: 1ms
memory: 3560kb

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: 1ms
memory: 5624kb

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: 3728kb

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: 3660kb

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: -100
Runtime Error

input:

200000 400000

output:


result: