oj.uz

답안 #823368

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
823368 2023-08-12T11:59:22 Z Desh03 Paths (BOI18_paths) C++17
100 / 100
 346 ms 58976 KB 
#include <bits/stdc++.h>

using namespace std;

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    int n, m, k;
    cin >> n >> m >> k;
    vector<int> c(n);
    vector<vector<int>> g(n);
    vector f(1 << k, vector<long long> (n));
    for (int i = 0; i < n; i++) {
        cin >> c[i];
        --c[i];
        ++f[1 << c[i]][i];
    }
    for (int i = 0; i < m; i++) {
        int u, v;
        cin >> u >> v;
        --u, --v;
        g[u].push_back(v);
        g[v].push_back(u);
    }
    long long ans = 0;
    for (int i = 0; i < (1 << k); i++) {
        for (int u = 0; u < n; u++) {
            for (int v : g[u]) {
                if (i >> c[v] & 1 ^ 1) {
                    f[i | (1 << c[v])][v] += f[i][u];
                }
            }
            ans += f[i][u];
        }
    }
    cout << ans - n << '\n';
    return 0;
}

Compilation message

paths.cpp: In function 'int main()':
paths.cpp:29:31: warning: suggest parentheses around arithmetic in operand of '^' [-Wparentheses]
   29 |                 if (i >> c[v] & 1 ^ 1) {
      |                     ~~~~~~~~~~^~~

Subtask #1
23.0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 320 KB Output is correct
8 Correct 0 ms 316 KB Output is correct
9 Correct 0 ms 320 KB Output is correct
10 Correct 0 ms 212 KB Output is correct

Subtask #2
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 59 ms 7152 KB Output is correct
2 Correct 49 ms 6224 KB Output is correct
3 Correct 225 ms 40112 KB Output is correct
4 Correct 71 ms 9760 KB Output is correct
5 Correct 58 ms 9240 KB Output is correct
6 Correct 150 ms 29460 KB Output is correct
7 Correct 198 ms 40176 KB Output is correct
8 Correct 296 ms 40832 KB Output is correct

Subtask #3
27.0 / 27.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 320 KB Output is correct
8 Correct 0 ms 316 KB Output is correct
9 Correct 0 ms 320 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 59 ms 7152 KB Output is correct
12 Correct 49 ms 6224 KB Output is correct
13 Correct 225 ms 40112 KB Output is correct
14 Correct 71 ms 9760 KB Output is correct
15 Correct 58 ms 9240 KB Output is correct
16 Correct 150 ms 29460 KB Output is correct
17 Correct 198 ms 40176 KB Output is correct
18 Correct 296 ms 40832 KB Output is correct
19 Correct 60 ms 7224 KB Output is correct
20 Correct 48 ms 6224 KB Output is correct
21 Correct 264 ms 40092 KB Output is correct
22 Correct 67 ms 9828 KB Output is correct
23 Correct 59 ms 9284 KB Output is correct
24 Correct 155 ms 29536 KB Output is correct
25 Correct 273 ms 40176 KB Output is correct
26 Correct 219 ms 40880 KB Output is correct
27 Correct 70 ms 6216 KB Output is correct
28 Correct 93 ms 8812 KB Output is correct
29 Correct 329 ms 58892 KB Output is correct
30 Correct 182 ms 33208 KB Output is correct
31 Correct 272 ms 33076 KB Output is correct
32 Correct 346 ms 58976 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 0 ms 212 KB Output is correct
36 Correct 1 ms 212 KB Output is correct
37 Correct 0 ms 212 KB Output is correct
38 Correct 1 ms 340 KB Output is correct
39 Correct 0 ms 212 KB Output is correct
40 Correct 1 ms 340 KB Output is correct
41 Correct 0 ms 212 KB Output is correct
42 Correct 1 ms 312 KB Output is correct

Subtask #4
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 37 ms 2300 KB Output is correct
3 Correct 16 ms 2124 KB Output is correct
4 Correct 51 ms 13380 KB Output is correct
5 Correct 38 ms 14204 KB Output is correct
6 Correct 115 ms 32332 KB Output is correct
7 Correct 25 ms 2132 KB Output is correct
8 Correct 70 ms 19764 KB Output is correct
9 Correct 54 ms 20436 KB Output is correct
10 Correct 76 ms 20576 KB Output is correct
11 Correct 75 ms 17196 KB Output is correct
12 Correct 71 ms 25196 KB Output is correct
13 Correct 76 ms 17476 KB Output is correct
14 Correct 116 ms 32228 KB Output is correct
15 Correct 116 ms 32424 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 0 ms 340 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 0 ms 316 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 0 ms 212 KB Output is correct