oj.uz

Submission #504137

# Submission time Handle Problem Language Result Execution time Memory
504137 2022-01-09T22:26:47 Z kojac Kutije (COCI21_kutije) C++17
20 / 70
 1000 ms 6684 KB 
#include <bits/stdc++.h>
using namespace std;
 
#define MAXN 1020
#define INF 999999999
#define ll long long
#define F first
#define S second
#define endl "\n"

int n, m, q, lista[MAXN][MAXN], c[MAXN][MAXN];
bool foi[MAXN];


void dfs(int x){
    for(int i = 1; i < MAXN; i++){
        if(lista[x][i] == 1 && !foi[i]){
            foi[i] = true;
            dfs(i);
        }
    }
}

int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);

    cin >> n >> m >> q;

    for(int i = 0; i < m; i++){
        for(int j = 1; j <= n; j++){
            int x;
            cin >> x;
            lista[j][x] = 1;
        }
    }

    for(int i = 1; i <= n; i++){
        for(int j = 1; j <= n; j++) foi[j] = false;
        foi[i] = true;
        dfs(i);

        for(int j = 1; j <= n; j++){
            if(foi[j]){
                c[i][j] = 1;
            }
        }
    }

    for(int i = 0; i < q; i++){
        int a, b;

        for(int j = 0; j < MAXN; j++) foi[j] = false;

        cin >> a >> b;

        foi[a] = true;

        dfs(a);

        if(c[a][b] == 1) cout << "DA\n";
        else cout << "NE\n";
    }

    
}

Subtask #1
0 / 15.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1039 ms 6684 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 1100 KB Output is correct
2 Correct 3 ms 1100 KB Output is correct
3 Correct 34 ms 972 KB Output is correct
4 Correct 19 ms 1040 KB Output is correct
5 Correct 2 ms 1100 KB Output is correct
6 Correct 5 ms 1100 KB Output is correct
7 Correct 37 ms 1040 KB Output is correct
8 Correct 2 ms 1100 KB Output is correct
9 Correct 10 ms 1156 KB Output is correct
10 Correct 4 ms 1100 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 1100 KB Output is correct
2 Correct 3 ms 1100 KB Output is correct
3 Correct 34 ms 972 KB Output is correct
4 Correct 19 ms 1040 KB Output is correct
5 Correct 2 ms 1100 KB Output is correct
6 Correct 5 ms 1100 KB Output is correct
7 Correct 37 ms 1040 KB Output is correct
8 Correct 2 ms 1100 KB Output is correct
9 Correct 10 ms 1156 KB Output is correct
10 Correct 4 ms 1100 KB Output is correct
11 Correct 7 ms 1160 KB Output is correct
12 Correct 3 ms 1100 KB Output is correct
13 Correct 41 ms 984 KB Output is correct
14 Correct 18 ms 1052 KB Output is correct
15 Correct 2 ms 1100 KB Output is correct
16 Correct 4 ms 972 KB Output is correct
17 Correct 36 ms 1044 KB Output is correct
18 Correct 2 ms 1100 KB Output is correct
19 Correct 9 ms 1100 KB Output is correct
20 Correct 4 ms 1100 KB Output is correct

Subtask #4
0 / 35.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1039 ms 6684 KB Time limit exceeded
2 Halted 0 ms 0 KB -