oj.uz

답안 #818984

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
818984 2023-08-10T07:31:49 Z Sandarach151 Kutije (COCI21_kutije) C++17
70 / 70
 934 ms 14988 KB 
#include <bits/stdc++.h>
using namespace std;

int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    int n, m, q;
    cin >> n >> m >> q;
    vector<int> adg[n];
    for(int i=0; i<m; i++){
        for(int j=0; j<n; j++){
            int a;
            cin >> a;
            a--;
            adg[a].push_back(j);
        }
    }
    bool reach[n][n];
    for(int i=0; i<n; i++){
        for(int j=0; j<n; j++){
            reach[i][j]=0;
        }
    }
    for(int i=0; i<n; i++){
        queue<int> que;
        que.push(i);
        reach[i][i]=true;
        while(!que.empty()){
            int cur = que.front();
            que.pop();
            for(auto u : adg[cur]){
                if(!reach[i][u]){
                    reach[i][u]=true;
                    que.push(u);
                }
            }
        }
    }
    // for(int i=0; i<n; i++){
    //     cout << i << ":      ";
    //     for(auto u : adg[i]){
    //         cout << u;
    //     }
    //     cout << '\n';
    // }
    for(int query=0; query<q; query++){
        int a, b;
        cin >> a >> b;
        a--;
        b--;
        if(reach[a][b]){
            cout << "DA\n";
        }
        else{
            cout << "NE\n";
        }
    }
    return 0;
}

Subtask #1
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 71 ms 6576 KB Output is correct
2 Correct 64 ms 5872 KB Output is correct
3 Correct 54 ms 5404 KB Output is correct
4 Correct 90 ms 6612 KB Output is correct
5 Correct 74 ms 6572 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 340 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 2 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 2 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct

Subtask #3
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 340 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 2 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 2 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 2 ms 340 KB Output is correct
14 Correct 1 ms 368 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 2 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct

Subtask #4
35.0 / 35.0

# 결과 실행 시간 메모리 Grader output
1 Correct 71 ms 6576 KB Output is correct
2 Correct 64 ms 5872 KB Output is correct
3 Correct 54 ms 5404 KB Output is correct
4 Correct 90 ms 6612 KB Output is correct
5 Correct 74 ms 6572 KB Output is correct
6 Correct 2 ms 340 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 2 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 2 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 2 ms 340 KB Output is correct
19 Correct 1 ms 368 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 2 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 201 ms 14988 KB Output is correct
27 Correct 119 ms 14884 KB Output is correct
28 Correct 708 ms 12596 KB Output is correct
29 Correct 497 ms 14392 KB Output is correct
30 Correct 95 ms 12644 KB Output is correct
31 Correct 109 ms 12740 KB Output is correct
32 Correct 934 ms 14464 KB Output is correct
33 Correct 116 ms 14468 KB Output is correct
34 Correct 196 ms 14500 KB Output is correct
35 Correct 151 ms 14744 KB Output is correct