oj.uz

답안 #510032

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
510032 2022-01-14T14:23:57 Z haxorman Paths (BOI18_paths) C++14
100 / 100
 420 ms 112356 KB 
#include <bits/stdc++.h>
using namespace std;

#define int long long

const int mxN = 3e5 + 7;
const int mxK = 39;

int n, m, k, color[mxN], dp[mxN][mxK];
vector<int> graph[mxN];

void dfs(int u, int mask, int cnt) {
	if (dp[u][mask]) {
		return;
	}

	if (cnt > 1) {
		dp[u][mask] = 1;
	}

	for (auto v : graph[u]) {
			if (!(mask & (1 << color[v]))) {
				dfs(v, mask | (1 << color[v]), cnt + 1);
				dp[u][mask] += dp[v][mask | (1 << color[v])];
			}
	}
}

int32_t main() {
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);

	cin >> n >> m >> k;

	for (int u = 1; u <= n; ++u) {
		cin >> color[u];
		color[u]--;
	}
	
	for (int i = 0; i < m; ++i) {
		int u, v;
		cin >> u >> v;

		graph[u].push_back(v);
		graph[v].push_back(u);
	}
	
	int ans = 0;
	for (int i = 1; i <= n; ++i) {
		dfs(i, (1 << color[i]), 1);
		ans += dp[i][(1 << color[i])];
	}
	cout << ans << "\n";
}

Subtask #1
23.0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 7372 KB Output is correct
2 Correct 4 ms 7372 KB Output is correct
3 Correct 4 ms 7372 KB Output is correct
4 Correct 4 ms 7388 KB Output is correct
5 Correct 4 ms 7364 KB Output is correct
6 Correct 4 ms 7296 KB Output is correct
7 Correct 4 ms 7360 KB Output is correct
8 Correct 4 ms 7372 KB Output is correct
9 Correct 4 ms 7372 KB Output is correct
10 Correct 4 ms 7364 KB Output is correct

Subtask #2
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 73 ms 16132 KB Output is correct
2 Correct 59 ms 14748 KB Output is correct
3 Correct 372 ms 111776 KB Output is correct
4 Correct 101 ms 24960 KB Output is correct
5 Correct 90 ms 15704 KB Output is correct
6 Correct 215 ms 78864 KB Output is correct
7 Correct 350 ms 111852 KB Output is correct
8 Correct 326 ms 112356 KB Output is correct

Subtask #3
27.0 / 27.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 7372 KB Output is correct
2 Correct 4 ms 7372 KB Output is correct
3 Correct 4 ms 7372 KB Output is correct
4 Correct 4 ms 7388 KB Output is correct
5 Correct 4 ms 7364 KB Output is correct
6 Correct 4 ms 7296 KB Output is correct
7 Correct 4 ms 7360 KB Output is correct
8 Correct 4 ms 7372 KB Output is correct
9 Correct 4 ms 7372 KB Output is correct
10 Correct 4 ms 7364 KB Output is correct
11 Correct 73 ms 16132 KB Output is correct
12 Correct 59 ms 14748 KB Output is correct
13 Correct 372 ms 111776 KB Output is correct
14 Correct 101 ms 24960 KB Output is correct
15 Correct 90 ms 15704 KB Output is correct
16 Correct 215 ms 78864 KB Output is correct
17 Correct 350 ms 111852 KB Output is correct
18 Correct 326 ms 112356 KB Output is correct
19 Correct 70 ms 16080 KB Output is correct
20 Correct 57 ms 14740 KB Output is correct
21 Correct 351 ms 111804 KB Output is correct
22 Correct 104 ms 24900 KB Output is correct
23 Correct 89 ms 15812 KB Output is correct
24 Correct 223 ms 78836 KB Output is correct
25 Correct 327 ms 111788 KB Output is correct
26 Correct 323 ms 112324 KB Output is correct
27 Correct 66 ms 14768 KB Output is correct
28 Correct 94 ms 18520 KB Output is correct
29 Correct 420 ms 111920 KB Output is correct
30 Correct 323 ms 63052 KB Output is correct
31 Correct 308 ms 63288 KB Output is correct
32 Correct 383 ms 111976 KB Output is correct
33 Correct 4 ms 7372 KB Output is correct
34 Correct 4 ms 7368 KB Output is correct
35 Correct 4 ms 7372 KB Output is correct
36 Correct 4 ms 7372 KB Output is correct
37 Correct 4 ms 7372 KB Output is correct
38 Correct 4 ms 7368 KB Output is correct
39 Correct 4 ms 7368 KB Output is correct
40 Correct 4 ms 7372 KB Output is correct
41 Correct 4 ms 7372 KB Output is correct
42 Correct 4 ms 7372 KB Output is correct

Subtask #4
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 7372 KB Output is correct
2 Correct 33 ms 9692 KB Output is correct
3 Correct 22 ms 9708 KB Output is correct
4 Correct 87 ms 42148 KB Output is correct
5 Correct 61 ms 42552 KB Output is correct
6 Correct 109 ms 42180 KB Output is correct
7 Correct 28 ms 9828 KB Output is correct
8 Correct 101 ms 42220 KB Output is correct
9 Correct 73 ms 42588 KB Output is correct
10 Correct 99 ms 42400 KB Output is correct
11 Correct 87 ms 25676 KB Output is correct
12 Correct 68 ms 33972 KB Output is correct
13 Correct 85 ms 25748 KB Output is correct
14 Correct 126 ms 42068 KB Output is correct
15 Correct 96 ms 42280 KB Output is correct
16 Correct 3 ms 7372 KB Output is correct
17 Correct 4 ms 7372 KB Output is correct
18 Correct 4 ms 7372 KB Output is correct
19 Correct 4 ms 7372 KB Output is correct
20 Correct 4 ms 7304 KB Output is correct
21 Correct 4 ms 7372 KB Output is correct
22 Correct 3 ms 7372 KB Output is correct
23 Correct 4 ms 7372 KB Output is correct
24 Correct 4 ms 7372 KB Output is correct
25 Correct 3 ms 7260 KB Output is correct