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Submission #441395

# Submission time Handle Problem Language Result Execution time Memory
441395 2021-07-05T06:41:02 Z sam571128 Paths (BOI18_paths) C++17
23 / 100
 3000 ms 14624 KB 
#include <bits/stdc++.h>

#define int long long
#define fastio ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);

using namespace std;

const int N = 3e5+5;
vector<int> adj[N];
int col[N], visited[6];
int ans = 0;

void dfs(int u){
    visited[col[u]] = 1;
    ans++;
    for(auto v : adj[u]){
        if(visited[col[v]]) continue;
        int tmp = visited[col[v]];
        visited[col[v]] = 1;
        dfs(v);
        visited[col[v]] = tmp;
    }
}

signed main(){
    fastio
    int n,m,k;
    cin >> n >> m >> k;
    for(int i = 1;i <= n;i++){
        cin >> col[i];
    }
    for(int i = 0;i < m;i++){
        int u,v;
        cin >> u >> v;
        adj[u].push_back(v);
        adj[v].push_back(u);
    }

    for(int i = 1;i <= n;i++){
        visited[col[i]] = 1;
        dfs(i);
        visited[col[i]] = 0;
    }
    cout << ans-n << "\n";
}

Subtask #1
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 7244 KB Output is correct
2 Correct 5 ms 7244 KB Output is correct
3 Correct 5 ms 7368 KB Output is correct
4 Correct 5 ms 7244 KB Output is correct
5 Correct 5 ms 7244 KB Output is correct
6 Correct 5 ms 7364 KB Output is correct
7 Correct 5 ms 7244 KB Output is correct
8 Correct 5 ms 7244 KB Output is correct
9 Correct 5 ms 7244 KB Output is correct
10 Correct 5 ms 7364 KB Output is correct

Subtask #2
0 / 20.0

# Verdict Execution time Memory Grader output
1 Execution timed out 3055 ms 14624 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #3
0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 7244 KB Output is correct
2 Correct 5 ms 7244 KB Output is correct
3 Correct 5 ms 7368 KB Output is correct
4 Correct 5 ms 7244 KB Output is correct
5 Correct 5 ms 7244 KB Output is correct
6 Correct 5 ms 7364 KB Output is correct
7 Correct 5 ms 7244 KB Output is correct
8 Correct 5 ms 7244 KB Output is correct
9 Correct 5 ms 7244 KB Output is correct
10 Correct 5 ms 7364 KB Output is correct
11 Execution timed out 3055 ms 14624 KB Time limit exceeded
12 Halted 0 ms 0 KB -

Subtask #4
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 7244 KB Output is correct
2 Execution timed out 3093 ms 9920 KB Time limit exceeded
3 Halted 0 ms 0 KB -