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답안 #473405

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
473405 2021-09-15T13:18:12 Z Hamed5001 Paths (BOI18_paths) C++14
100 / 100
 473 ms 95944 KB 
#include <bits/stdc++.h>

using namespace std;
typedef long long ll;

const int mxN = 3e5+10;
/*
9 11 4 
1 2 3 4 1 2 1 2 2 
1 2
1 3
2 3
2 4
3 6
6 2
6 5
4 3
4 5
7 8
9 8
*/

ll dp[mxN][1<<5];
int color[mxN];
vector<int> adj[mxN];

int N, M, K;

ll dfs(int node, int msk) {
	if (~dp[node][msk]) return dp[node][msk];

	dp[node][msk] = 1;
	int nmsk = msk | (1 << (color[node]-1));

	for (auto c : adj[node]) {
		if ((1<<(color[c]-1)) & nmsk) continue; 
		
		dp[node][msk] += dfs(c, nmsk);
	}

	return dp[node][msk];
}

void solve() {
	memset(dp, -1, sizeof dp);
	cin >> N >> M >> K;

	for (int i = 1; i <= N; i++) 
		cin >> color[i];

	for (int i = 0; i < M; i++) {
		int u, v;
		cin >> u >>v;
		adj[u].push_back(v);
		adj[v].push_back(u);
	}	

	ll ans = 0;
	for (int i = 1; i <= N; i++)
		ans += dfs(i, 0);

	cout << ans - N;
}

int main() {

	
	ios_base::sync_with_stdio(false);
	cin.tie(0);
	solve();
}

Subtask #1
23.0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 38 ms 82384 KB Output is correct
2 Correct 37 ms 82416 KB Output is correct
3 Correct 38 ms 82496 KB Output is correct
4 Correct 37 ms 82376 KB Output is correct
5 Correct 37 ms 82488 KB Output is correct
6 Correct 37 ms 82512 KB Output is correct
7 Correct 37 ms 82500 KB Output is correct
8 Correct 37 ms 82424 KB Output is correct
9 Correct 38 ms 82452 KB Output is correct
10 Correct 38 ms 82404 KB Output is correct

Subtask #2
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 124 ms 88944 KB Output is correct
2 Correct 109 ms 88272 KB Output is correct
3 Correct 377 ms 95944 KB Output is correct
4 Correct 151 ms 90128 KB Output is correct
5 Correct 138 ms 90232 KB Output is correct
6 Correct 288 ms 93568 KB Output is correct
7 Correct 397 ms 95172 KB Output is correct
8 Correct 346 ms 95784 KB Output is correct

Subtask #3
27.0 / 27.0

# 결과 실행 시간 메모리 Grader output
1 Correct 38 ms 82384 KB Output is correct
2 Correct 37 ms 82416 KB Output is correct
3 Correct 38 ms 82496 KB Output is correct
4 Correct 37 ms 82376 KB Output is correct
5 Correct 37 ms 82488 KB Output is correct
6 Correct 37 ms 82512 KB Output is correct
7 Correct 37 ms 82500 KB Output is correct
8 Correct 37 ms 82424 KB Output is correct
9 Correct 38 ms 82452 KB Output is correct
10 Correct 38 ms 82404 KB Output is correct
11 Correct 124 ms 88944 KB Output is correct
12 Correct 109 ms 88272 KB Output is correct
13 Correct 377 ms 95944 KB Output is correct
14 Correct 151 ms 90128 KB Output is correct
15 Correct 138 ms 90232 KB Output is correct
16 Correct 288 ms 93568 KB Output is correct
17 Correct 397 ms 95172 KB Output is correct
18 Correct 346 ms 95784 KB Output is correct
19 Correct 127 ms 88912 KB Output is correct
20 Correct 108 ms 88332 KB Output is correct
21 Correct 426 ms 95208 KB Output is correct
22 Correct 153 ms 90176 KB Output is correct
23 Correct 150 ms 90244 KB Output is correct
24 Correct 271 ms 93564 KB Output is correct
25 Correct 363 ms 95112 KB Output is correct
26 Correct 351 ms 95932 KB Output is correct
27 Correct 128 ms 88372 KB Output is correct
28 Correct 148 ms 89776 KB Output is correct
29 Correct 467 ms 95348 KB Output is correct
30 Correct 328 ms 92124 KB Output is correct
31 Correct 357 ms 92096 KB Output is correct
32 Correct 473 ms 95236 KB Output is correct
33 Correct 37 ms 82488 KB Output is correct
34 Correct 38 ms 82496 KB Output is correct
35 Correct 37 ms 82472 KB Output is correct
36 Correct 38 ms 82504 KB Output is correct
37 Correct 38 ms 82464 KB Output is correct
38 Correct 37 ms 82508 KB Output is correct
39 Correct 37 ms 82428 KB Output is correct
40 Correct 36 ms 82484 KB Output is correct
41 Correct 39 ms 82432 KB Output is correct
42 Correct 38 ms 82404 KB Output is correct

Subtask #4
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 37 ms 82596 KB Output is correct
2 Correct 76 ms 84352 KB Output is correct
3 Correct 61 ms 84324 KB Output is correct
4 Correct 113 ms 86944 KB Output is correct
5 Correct 92 ms 87776 KB Output is correct
6 Correct 154 ms 86972 KB Output is correct
7 Correct 66 ms 84292 KB Output is correct
8 Correct 150 ms 86920 KB Output is correct
9 Correct 101 ms 87748 KB Output is correct
10 Correct 125 ms 87772 KB Output is correct
11 Correct 135 ms 85616 KB Output is correct
12 Correct 103 ms 86764 KB Output is correct
13 Correct 115 ms 85792 KB Output is correct
14 Correct 157 ms 86984 KB Output is correct
15 Correct 128 ms 87064 KB Output is correct
16 Correct 38 ms 82508 KB Output is correct
17 Correct 37 ms 82496 KB Output is correct
18 Correct 40 ms 82416 KB Output is correct
19 Correct 39 ms 82400 KB Output is correct
20 Correct 39 ms 82372 KB Output is correct
21 Correct 39 ms 82444 KB Output is correct
22 Correct 39 ms 82508 KB Output is correct
23 Correct 38 ms 82500 KB Output is correct
24 Correct 37 ms 82488 KB Output is correct
25 Correct 38 ms 82472 KB Output is correct