oj.uz

Submission #507606

# Submission time Handle Problem Language Result Execution time Memory
507606 2022-01-12T20:01:02 Z t0nhou Kutije (COCI21_kutije) C++17
35 / 70
 1000 ms 52548 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);
        }
    }

    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 475 ms 41924 KB Output is correct
2 Correct 370 ms 36840 KB Output is correct
3 Correct 197 ms 15724 KB Output is correct
4 Correct 504 ms 52548 KB Output is correct
5 Correct 96 ms 5572 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 516 KB Output is correct
2 Correct 1 ms 460 KB Output is correct
3 Correct 3 ms 780 KB Output is correct
4 Correct 2 ms 576 KB Output is correct
5 Correct 2 ms 460 KB Output is correct
6 Correct 1 ms 428 KB Output is correct
7 Correct 4 ms 844 KB Output is correct
8 Correct 1 ms 428 KB Output is correct
9 Correct 1 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 516 KB Output is correct
2 Correct 1 ms 460 KB Output is correct
3 Correct 3 ms 780 KB Output is correct
4 Correct 2 ms 576 KB Output is correct
5 Correct 2 ms 460 KB Output is correct
6 Correct 1 ms 428 KB Output is correct
7 Correct 4 ms 844 KB Output is correct
8 Correct 1 ms 428 KB Output is correct
9 Correct 1 ms 588 KB Output is correct
10 Correct 1 ms 460 KB Output is correct
11 Correct 2 ms 460 KB Output is correct
12 Correct 1 ms 428 KB Output is correct
13 Correct 3 ms 844 KB Output is correct
14 Correct 2 ms 528 KB Output is correct
15 Correct 1 ms 460 KB Output is correct
16 Correct 1 ms 460 KB Output is correct
17 Correct 4 ms 844 KB Output is correct
18 Correct 2 ms 460 KB Output is correct
19 Correct 2 ms 460 KB Output is correct
20 Correct 1 ms 460 KB Output is correct

Subtask #4
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 475 ms 41924 KB Output is correct
2 Correct 370 ms 36840 KB Output is correct
3 Correct 197 ms 15724 KB Output is correct
4 Correct 504 ms 52548 KB Output is correct
5 Correct 96 ms 5572 KB Output is correct
6 Correct 1 ms 516 KB Output is correct
7 Correct 1 ms 460 KB Output is correct
8 Correct 3 ms 780 KB Output is correct
9 Correct 2 ms 576 KB Output is correct
10 Correct 2 ms 460 KB Output is correct
11 Correct 1 ms 428 KB Output is correct
12 Correct 4 ms 844 KB Output is correct
13 Correct 1 ms 428 KB Output is correct
14 Correct 1 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 1 ms 428 KB Output is correct
18 Correct 3 ms 844 KB Output is correct
19 Correct 2 ms 528 KB Output is correct
20 Correct 1 ms 460 KB Output is correct
21 Correct 1 ms 460 KB Output is correct
22 Correct 4 ms 844 KB Output is correct
23 Correct 2 ms 460 KB Output is correct
24 Correct 2 ms 460 KB Output is correct
25 Correct 1 ms 460 KB Output is correct
26 Correct 350 ms 17904 KB Output is correct
27 Correct 179 ms 13728 KB Output is correct
28 Execution timed out 1012 ms 47376 KB Time limit exceeded
29 Halted 0 ms 0 KB -