oj.uz

Submission #507608

# Submission time Handle Problem Language Result Execution time Memory
507608 2022-01-12T20:02:30 Z t0nhou Kutije (COCI21_kutije) C++17
35 / 70
 1000 ms 48796 KB 
#include <bits/stdc++.h>
#define endl '\n'

using namespace std;

vector<int> viz[1005];
int vis[1005];

void dfs(int x){

    vis[x] = 1;

    for(int i = 0; i < viz[x].size(); i++){
        int v = viz[x][i];
        if(!vis[v]) dfs(v);
    }
}

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

    int n, m, q; cin >> n >> m >> q;

    for(int i = 0; i < m; i++){
        for(int j = 1; j <= n; j++){
            int a; cin >> a;
            viz[j].push_back(a);
            viz[a].push_back(j);
        }
    }

    set<int> s[1005];

    for(int i = 1; i <= n; i++){
        dfs(i);
        for(int j = 1; j <= n; j++){
            if(vis[j]) s[i].insert(j);
    	    vis[j] = 0;
        }
    }

    while(q--){

        int a, b; cin >> a >> b;

        if(s[a].find(b) != s[a].end()) cout << "DA" << endl;
        else cout << "NE" << endl;
    }

    return 0;
}

Compilation message

Main.cpp: In function 'void dfs(int)':
Main.cpp:13:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   13 |     for(int i = 0; i < viz[x].size(); i++){
      |                    ~~^~~~~~~~~~~~~~~

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 447 ms 38892 KB Output is correct
2 Correct 357 ms 33528 KB Output is correct
3 Correct 220 ms 12700 KB Output is correct
4 Correct 527 ms 48796 KB Output is correct
5 Correct 97 ms 1964 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 460 KB Output is correct
2 Correct 1 ms 460 KB Output is correct
3 Correct 3 ms 844 KB Output is correct
4 Correct 3 ms 716 KB Output is correct
5 Correct 1 ms 460 KB Output is correct
6 Correct 2 ms 460 KB Output is correct
7 Correct 4 ms 968 KB Output is correct
8 Correct 1 ms 460 KB Output is correct
9 Correct 2 ms 588 KB Output is correct
10 Correct 1 ms 460 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 460 KB Output is correct
2 Correct 1 ms 460 KB Output is correct
3 Correct 3 ms 844 KB Output is correct
4 Correct 3 ms 716 KB Output is correct
5 Correct 1 ms 460 KB Output is correct
6 Correct 2 ms 460 KB Output is correct
7 Correct 4 ms 968 KB Output is correct
8 Correct 1 ms 460 KB Output is correct
9 Correct 2 ms 588 KB Output is correct
10 Correct 1 ms 460 KB Output is correct
11 Correct 1 ms 460 KB Output is correct
12 Correct 1 ms 460 KB Output is correct
13 Correct 4 ms 892 KB Output is correct
14 Correct 2 ms 588 KB Output is correct
15 Correct 1 ms 460 KB Output is correct
16 Correct 2 ms 460 KB Output is correct
17 Correct 4 ms 972 KB Output is correct
18 Correct 1 ms 460 KB Output is correct
19 Correct 2 ms 588 KB Output is correct
20 Correct 1 ms 512 KB Output is correct

Subtask #4
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 447 ms 38892 KB Output is correct
2 Correct 357 ms 33528 KB Output is correct
3 Correct 220 ms 12700 KB Output is correct
4 Correct 527 ms 48796 KB Output is correct
5 Correct 97 ms 1964 KB Output is correct
6 Correct 1 ms 460 KB Output is correct
7 Correct 1 ms 460 KB Output is correct
8 Correct 3 ms 844 KB Output is correct
9 Correct 3 ms 716 KB Output is correct
10 Correct 1 ms 460 KB Output is correct
11 Correct 2 ms 460 KB Output is correct
12 Correct 4 ms 968 KB Output is correct
13 Correct 1 ms 460 KB Output is correct
14 Correct 2 ms 588 KB Output is correct
15 Correct 1 ms 460 KB Output is correct
16 Correct 1 ms 460 KB Output is correct
17 Correct 1 ms 460 KB Output is correct
18 Correct 4 ms 892 KB Output is correct
19 Correct 2 ms 588 KB Output is correct
20 Correct 1 ms 460 KB Output is correct
21 Correct 2 ms 460 KB Output is correct
22 Correct 4 ms 972 KB Output is correct
23 Correct 1 ms 460 KB Output is correct
24 Correct 2 ms 588 KB Output is correct
25 Correct 1 ms 512 KB Output is correct
26 Correct 446 ms 14696 KB Output is correct
27 Correct 216 ms 10604 KB Output is correct
28 Execution timed out 1083 ms 30420 KB Time limit exceeded
29 Halted 0 ms 0 KB -