Submission #510027

# Submission time Handle Problem Language Result Execution time Memory
510027 2022-01-14T14:18:51 Z haxorman Paths (BOI18_paths) C++14
100 / 100
476 ms 208456 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][2];
vector<int> graph[mxN];

int dfs(int u, int mask, bool sz) {
	if (dp[u][mask][sz]) {
		return dp[u][mask][sz];
	}

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

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

	return dp[u][mask][sz];
}

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) {
		ans += dfs(i, 1 << color[i], 0);
	}
	cout << ans << "\n";
}
# Verdict Execution time Memory Grader output
1 Correct 4 ms 7372 KB Output is correct
2 Correct 4 ms 7368 KB Output is correct
3 Correct 4 ms 7364 KB Output is correct
4 Correct 3 ms 7368 KB Output is correct
5 Correct 4 ms 7372 KB Output is correct
6 Correct 4 ms 7372 KB Output is correct
7 Correct 4 ms 7372 KB Output is correct
8 Correct 4 ms 7376 KB Output is correct
9 Correct 5 ms 7372 KB Output is correct
10 Correct 3 ms 7372 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 74 ms 17564 KB Output is correct
2 Correct 61 ms 17224 KB Output is correct
3 Correct 430 ms 207896 KB Output is correct
4 Correct 106 ms 37380 KB Output is correct
5 Correct 106 ms 19108 KB Output is correct
6 Correct 279 ms 144096 KB Output is correct
7 Correct 381 ms 207792 KB Output is correct
8 Correct 391 ms 208456 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 4 ms 7372 KB Output is correct
2 Correct 4 ms 7368 KB Output is correct
3 Correct 4 ms 7364 KB Output is correct
4 Correct 3 ms 7368 KB Output is correct
5 Correct 4 ms 7372 KB Output is correct
6 Correct 4 ms 7372 KB Output is correct
7 Correct 4 ms 7372 KB Output is correct
8 Correct 4 ms 7376 KB Output is correct
9 Correct 5 ms 7372 KB Output is correct
10 Correct 3 ms 7372 KB Output is correct
11 Correct 74 ms 17564 KB Output is correct
12 Correct 61 ms 17224 KB Output is correct
13 Correct 430 ms 207896 KB Output is correct
14 Correct 106 ms 37380 KB Output is correct
15 Correct 106 ms 19108 KB Output is correct
16 Correct 279 ms 144096 KB Output is correct
17 Correct 381 ms 207792 KB Output is correct
18 Correct 391 ms 208456 KB Output is correct
19 Correct 85 ms 20472 KB Output is correct
20 Correct 67 ms 17324 KB Output is correct
21 Correct 399 ms 207856 KB Output is correct
22 Correct 120 ms 37312 KB Output is correct
23 Correct 86 ms 19120 KB Output is correct
24 Correct 278 ms 143976 KB Output is correct
25 Correct 377 ms 207780 KB Output is correct
26 Correct 364 ms 208304 KB Output is correct
27 Correct 86 ms 17224 KB Output is correct
28 Correct 117 ms 23776 KB Output is correct
29 Correct 456 ms 207876 KB Output is correct
30 Correct 336 ms 112880 KB Output is correct
31 Correct 386 ms 112900 KB Output is correct
32 Correct 476 ms 207972 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 3 ms 7364 KB Output is correct
38 Correct 4 ms 7376 KB Output is correct
39 Correct 3 ms 7372 KB Output is correct
40 Correct 4 ms 7372 KB Output is correct
41 Correct 5 ms 7372 KB Output is correct
42 Correct 3 ms 7372 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 5 ms 7372 KB Output is correct
2 Correct 43 ms 9804 KB Output is correct
3 Correct 23 ms 10592 KB Output is correct
4 Correct 116 ms 73944 KB Output is correct
5 Correct 78 ms 74332 KB Output is correct
6 Correct 123 ms 74040 KB Output is correct
7 Correct 38 ms 10548 KB Output is correct
8 Correct 108 ms 73944 KB Output is correct
9 Correct 116 ms 74388 KB Output is correct
10 Correct 119 ms 74164 KB Output is correct
11 Correct 145 ms 42012 KB Output is correct
12 Correct 99 ms 58116 KB Output is correct
13 Correct 107 ms 42172 KB Output is correct
14 Correct 202 ms 74052 KB Output is correct
15 Correct 131 ms 74144 KB Output is correct
16 Correct 7 ms 7344 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 7372 KB Output is correct
21 Correct 4 ms 7368 KB Output is correct
22 Correct 4 ms 7372 KB Output is correct
23 Correct 5 ms 7348 KB Output is correct
24 Correct 5 ms 7372 KB Output is correct
25 Correct 4 ms 7364 KB Output is correct