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답안 #977061

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
977061 2024-05-07T10:55:30 Z VMaksimoski008 Paths (BOI18_paths) C++17
100 / 100
 482 ms 98424 KB 
#include <bits/stdc++.h>
using namespace std;
using ll = long long;

ll dp[300005][1<<5], val[300005];

int main() {
    int n, m, k, a, b;
    cin >> n >> m >> k;

    for(int i=0; i<n; i++) cin >> val[i], val[i]--;

    vector<int> graph[n];
    for(int i=0; i<m; i++) {
        cin >> a >> b;
        graph[a-1].push_back(b-1);
        graph[b-1].push_back(a-1);
    }

    for(int i=0; i<n; i++) dp[i][1<<val[i]] = 1;

    for(int s=0; s<(1<<k); s++) {
        for(int i=0; i<n; i++) {
            if((s & (1 << val[i])) == 0) continue;
            for(int &j : graph[i]) {
                if((s & (1 << val[j])) == 0 || val[j] == val[i]) continue;
                dp[i][s] += dp[j][s^(1<<val[i])];
            }
        }
    }

    ll ans = 0;
    for(int i=0; i<n; i++)
        for(int j=0; j<(1<<k); j++)
            if(__builtin_popcount(j) > 1) ans += dp[i][j];
    cout << ans << '\n';
    return 0;
}

Subtask #1
23.0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 2 ms 2396 KB Output is correct
6 Correct 1 ms 2392 KB Output is correct
7 Correct 1 ms 2392 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2648 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct

Subtask #2
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 128 ms 8924 KB Output is correct
2 Correct 104 ms 8096 KB Output is correct
3 Correct 357 ms 97736 KB Output is correct
4 Correct 157 ms 19264 KB Output is correct
5 Correct 139 ms 19300 KB Output is correct
6 Correct 247 ms 69848 KB Output is correct
7 Correct 355 ms 97572 KB Output is correct
8 Correct 369 ms 98388 KB Output is correct

Subtask #3
27.0 / 27.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 2 ms 2396 KB Output is correct
6 Correct 1 ms 2392 KB Output is correct
7 Correct 1 ms 2392 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2648 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 128 ms 8924 KB Output is correct
12 Correct 104 ms 8096 KB Output is correct
13 Correct 357 ms 97736 KB Output is correct
14 Correct 157 ms 19264 KB Output is correct
15 Correct 139 ms 19300 KB Output is correct
16 Correct 247 ms 69848 KB Output is correct
17 Correct 355 ms 97572 KB Output is correct
18 Correct 369 ms 98388 KB Output is correct
19 Correct 151 ms 9028 KB Output is correct
20 Correct 108 ms 8088 KB Output is correct
21 Correct 346 ms 97732 KB Output is correct
22 Correct 152 ms 19284 KB Output is correct
23 Correct 142 ms 19284 KB Output is correct
24 Correct 254 ms 69704 KB Output is correct
25 Correct 344 ms 97780 KB Output is correct
26 Correct 330 ms 98424 KB Output is correct
27 Correct 128 ms 8232 KB Output is correct
28 Correct 147 ms 12024 KB Output is correct
29 Correct 482 ms 97724 KB Output is correct
30 Correct 299 ms 55028 KB Output is correct
31 Correct 298 ms 54828 KB Output is correct
32 Correct 448 ms 97612 KB Output is correct
33 Correct 1 ms 2396 KB Output is correct
34 Correct 1 ms 2396 KB Output is correct
35 Correct 1 ms 2392 KB Output is correct
36 Correct 1 ms 2396 KB Output is correct
37 Correct 1 ms 2396 KB Output is correct
38 Correct 1 ms 2396 KB Output is correct
39 Correct 1 ms 2396 KB Output is correct
40 Correct 1 ms 2396 KB Output is correct
41 Correct 1 ms 2492 KB Output is correct
42 Correct 1 ms 2488 KB Output is correct

Subtask #4
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 53 ms 4340 KB Output is correct
3 Correct 35 ms 4180 KB Output is correct
4 Correct 89 ms 35668 KB Output is correct
5 Correct 89 ms 36320 KB Output is correct
6 Correct 154 ms 35572 KB Output is correct
7 Correct 41 ms 4180 KB Output is correct
8 Correct 121 ms 35664 KB Output is correct
9 Correct 96 ms 36552 KB Output is correct
10 Correct 100 ms 36432 KB Output is correct
11 Correct 91 ms 21032 KB Output is correct
12 Correct 118 ms 28984 KB Output is correct
13 Correct 93 ms 21128 KB Output is correct
14 Correct 172 ms 35660 KB Output is correct
15 Correct 164 ms 36092 KB Output is correct
16 Correct 1 ms 2396 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 1 ms 2396 KB Output is correct
20 Correct 1 ms 2396 KB Output is correct
21 Correct 1 ms 2396 KB Output is correct
22 Correct 1 ms 2396 KB Output is correct
23 Correct 1 ms 2492 KB Output is correct
24 Correct 1 ms 2496 KB Output is correct
25 Correct 1 ms 2396 KB Output is correct