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Submission #724600

# Submission time Handle Problem Language Result Execution time Memory
724600 2023-04-15T15:59:50 Z TahirAliyev Kutije (COCI21_kutije) C++17
35 / 70
 1000 ms 6428 KB 
#include <bits/stdc++.h>

#pragma GCC optimize("O3")

using namespace std;
 
#define ll long long int
#define oo 1e18 + 5
#define pii pair<int, int>

const int MAX = 1005;
bitset<MAX> visited;
int adj[MAX][MAX];
vector<int> g[MAX];

bitset<MAX> accesible[MAX];

void dfs(int node, int par){
    visited[node] = true;
    accesible[par][node] = true;
    for(int to : g[node]){
        if(!visited[to]){
            if(to < par){
                accesible[par] |= accesible[to];
                visited |= accesible[to];
                continue;
            }
            dfs(to, par);
        }
    }
}


int main(){
    int n, m, q; cin >> n >> m >> q;
    for (int i = 1; i <= m; i++)
    {
        for (int j = 1; j <= n; j++)
        {
            int a; cin >> a;
            if(a == j) continue;
            adj[j][a] = 1;
        }
    }

    for (int i = 1; i <= n; i++)
    {
        for (int j = 1; j <= n; j++)
        {
            if(adj[i][j]){
                g[i].push_back(j);
            }
        }
        
    }
    
    for (int i = 1; i <= n; i++)
    {
        visited.reset();
        dfs(i, i);
    }
    
    
    while(q--){
        int a, b; cin >> a >> b;
        if(accesible[a][b]){
            cout << "DA\n";
        }
        else{
            cout << "NE\n";
        }
    }
}

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 783 ms 5448 KB Output is correct
2 Correct 678 ms 4924 KB Output is correct
3 Correct 638 ms 4732 KB Output is correct
4 Correct 776 ms 5288 KB Output is correct
5 Correct 800 ms 5412 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 724 KB Output is correct
2 Correct 2 ms 724 KB Output is correct
3 Correct 2 ms 724 KB Output is correct
4 Correct 2 ms 724 KB Output is correct
5 Correct 2 ms 596 KB Output is correct
6 Correct 2 ms 724 KB Output is correct
7 Correct 2 ms 724 KB Output is correct
8 Correct 2 ms 724 KB Output is correct
9 Correct 2 ms 724 KB Output is correct
10 Correct 3 ms 724 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 724 KB Output is correct
2 Correct 2 ms 724 KB Output is correct
3 Correct 2 ms 724 KB Output is correct
4 Correct 2 ms 724 KB Output is correct
5 Correct 2 ms 596 KB Output is correct
6 Correct 2 ms 724 KB Output is correct
7 Correct 2 ms 724 KB Output is correct
8 Correct 2 ms 724 KB Output is correct
9 Correct 2 ms 724 KB Output is correct
10 Correct 3 ms 724 KB Output is correct
11 Correct 2 ms 724 KB Output is correct
12 Correct 2 ms 724 KB Output is correct
13 Correct 2 ms 724 KB Output is correct
14 Correct 2 ms 724 KB Output is correct
15 Correct 2 ms 596 KB Output is correct
16 Correct 2 ms 596 KB Output is correct
17 Correct 3 ms 724 KB Output is correct
18 Correct 2 ms 724 KB Output is correct
19 Correct 3 ms 724 KB Output is correct
20 Correct 2 ms 724 KB Output is correct

Subtask #4
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 783 ms 5448 KB Output is correct
2 Correct 678 ms 4924 KB Output is correct
3 Correct 638 ms 4732 KB Output is correct
4 Correct 776 ms 5288 KB Output is correct
5 Correct 800 ms 5412 KB Output is correct
6 Correct 2 ms 724 KB Output is correct
7 Correct 2 ms 724 KB Output is correct
8 Correct 2 ms 724 KB Output is correct
9 Correct 2 ms 724 KB Output is correct
10 Correct 2 ms 596 KB Output is correct
11 Correct 2 ms 724 KB Output is correct
12 Correct 2 ms 724 KB Output is correct
13 Correct 2 ms 724 KB Output is correct
14 Correct 2 ms 724 KB Output is correct
15 Correct 3 ms 724 KB Output is correct
16 Correct 2 ms 724 KB Output is correct
17 Correct 2 ms 724 KB Output is correct
18 Correct 2 ms 724 KB Output is correct
19 Correct 2 ms 724 KB Output is correct
20 Correct 2 ms 596 KB Output is correct
21 Correct 2 ms 596 KB Output is correct
22 Correct 3 ms 724 KB Output is correct
23 Correct 2 ms 724 KB Output is correct
24 Correct 3 ms 724 KB Output is correct
25 Correct 2 ms 724 KB Output is correct
26 Execution timed out 1010 ms 6428 KB Time limit exceeded
27 Halted 0 ms 0 KB -