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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#630320#8830. Breaking BadRainingLoveTL 450ms3876kbC++231.7kb2024-10-11 17:53:592024-10-11 17:54:01

Judging History

你现在查看的是最新测评结果

  • [2024-10-11 17:54:01]
  • 评测
  • 测评结果:TL
  • 用时:450ms
  • 内存:3876kb
  • [2024-10-11 17:53:59]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;


int n;
int a[1003][1003];
vector<pair<int,int>> b[5];
int vis[5];
void solve() {
    cin>>n;
    for(int i=1;i<=n;i++) {
        for(int j=1;j<=n;j++) {
            cin>>a[i][j];
            b[a[i][j]].push_back({i,j});
        }
    }

    set<int> row,col;
    bitset<1002> vr,vc;
    while(row.size()<min(n,8) || col.size()<min(n,8)) {
        int f=0;
        for(int i=0;i<5;i++) {
            while(!b[i].empty() &&(vr[b[i].back().first] && vc[b[i].back().second])) b[i].pop_back();
            if(b[i].empty()) continue;
            f=1;
            row.insert(b[i].back().first);
            col.insert(b[i].back().second);
            vr[b[i].back().first]=1;
            vc[b[i].back().second]=1;
        }
        if(!f)break;
    }

    vector<int> R(row.begin(),row.end());
    vector<int> C(col.begin(),col.end());
    int base=0;
    for(int i=1;i<=n;i++) {
        if(col.find(i)==col.end()) {
            for(int j=1;j<=n;j++) {
                if(row.find(j)==row.end()) {
                    base=(base+a[j][i])%5;
                }
            }
            break;
        }
    }

    int t=10000000;
    do {
        random_shuffle(R.begin(),R.end());
        int sum=0;
        for(int i=0;i<R.size();i++) {
            sum=(sum+a[R[i]][C[i]])%5;
        }
        vis[(base+sum)%5]=1;
    } //while(next_permutation(C.begin(),C.end()));
    while(t--);
    for(int i=0;i<5;i++) {
        if(vis[i]) cout<<"Y";
        else cout<<"N";
    }

}
signed main() {
    ios::sync_with_stdio(0);
    cin.tie(0),cout.tie(0);

    int t=1;
    // cin>>t;
    while(t--)
    solve();
}

Details

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Test #1:

score: 100
Accepted
time: 179ms
memory: 3572kb

input:

2
0 4
4 0

output:

YNNYN

result:

ok "YNNYN"

Test #2:

score: 0
Accepted
time: 178ms
memory: 3876kb

input:

2
1 1
1 1

output:

NNYNN

result:

ok "NNYNN"

Test #3:

score: 0
Accepted
time: 450ms
memory: 3640kb

input:

4
0 0 1 0
0 1 0 1
0 0 0 0
1 1 0 0

output:

YYYYN

result:

ok "YYYYN"

Test #4:

score: 0
Accepted
time: 449ms
memory: 3676kb

input:

4
0 0 0 1
0 1 0 1
1 0 0 0
0 1 0 0

output:

YYYYN

result:

ok "YYYYN"

Test #5:

score: -100
Time Limit Exceeded

input:

10
1 4 2 0 0 2 0 1 3 3
0 3 1 4 4 1 4 0 2 2
1 4 2 0 0 2 0 1 0 3
0 3 1 4 4 1 4 0 2 2
4 2 0 3 3 0 3 4 1 1
2 0 3 1 1 3 1 2 4 4
4 2 0 3 3 0 3 4 1 1
2 0 3 1 1 3 1 2 4 4
1 4 2 0 0 2 0 1 3 3
3 1 4 2 2 4 2 3 0 0

output:


result: