oj.uz

Submission #1051286

# Submission time Handle Problem Language Result Execution time Memory
1051286 2024-08-10T03:32:52 Z starr Paths (BOI18_paths) C++17
23 / 100
 493 ms 678992 KB 
#include <bits/stdc++.h>
using namespace std;
// #define int long long

signed main(){
    int n, m, k;
    cin >> n >> m >> k;
    vector<int> col(n);
    for(int i = 0; i < n; i++) cin >> col[i], col[i]--;
    vector<int> adj[n + 5];
    for(int i = 0; i < m; i++){
        int a, b;
        cin >> a >> b;
        a--, b--;
        adj[a].push_back(b);
        adj[b].push_back(a);
    }
    long long dp[k + 5][n + 5][35];
    memset(dp, 0, sizeof dp);
    for(int i = 0; i < n; i++) dp[0][i][(1 << col[i])] = 1;
    for(int i = 1; i < k; i++){
        for(int j = 0; j < n; j++){
            for(int x : adj[j]){
                for(int mask = 0; mask < (1 << k); mask++){
                    if(!(mask & (1 << col[j]))){
                        dp[i][j][mask | (1 << col[j])] += dp[i - 1][x][mask];
                    }
                }
            }
        }
    }
    // cout << (1 << k) << endl;
    int ans = 0;
    for(int i = 1; i < k; i++){
        for(int j = 0; j < n; j++){
            for(int mask = 0; mask < (1 << k); mask++){
                ans += dp[i][j][mask];
            }
        }
    }
    cout << ans << endl;
}

Subtask #1
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 604 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 604 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 604 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct

Subtask #2
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 89 ms 17812 KB Output is correct
2 Correct 74 ms 8020 KB Output is correct
3 Correct 493 ms 678992 KB Output is correct
4 Correct 151 ms 66428 KB Output is correct
5 Correct 120 ms 58248 KB Output is correct
6 Incorrect 360 ms 455368 KB Output isn't correct
7 Halted 0 ms 0 KB -

Subtask #3
0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 604 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 604 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 604 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 89 ms 17812 KB Output is correct
12 Correct 74 ms 8020 KB Output is correct
13 Correct 493 ms 678992 KB Output is correct
14 Correct 151 ms 66428 KB Output is correct
15 Correct 120 ms 58248 KB Output is correct
16 Incorrect 360 ms 455368 KB Output isn't correct
17 Halted 0 ms 0 KB -

Subtask #4
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Incorrect 39 ms 3556 KB Output isn't correct
3 Halted 0 ms 0 KB -