답안 #760198

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
760198	2023-06-17T09:36:40 Z	MetalPower	Paths (BOI18_paths)	C++14	100 / 100	457 ms	99532 KB

paths

#include <bits/stdc++.h>
using namespace std;

#define ll long long

const int MX = 3e5 + 10;
const int MK = 33;

int N, M, K, col[MX];
vector<int> adj[MX];
ll dp[MX][MK];

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

	cin >> N >> M >> K;
	for(int i = 1; i <= N; i++){
		cin >> col[i]; col[i]--;
	}

	for(int i = 1; i <= M; i++){
		int u, v; cin >> u >> v;
		adj[u].push_back(v);
		adj[v].push_back(u);
	}

	for(int i = 1; i <= N; i++) dp[i][1 << col[i]] = 1;

	int mx = 1 << K;
	for(int mask = 1; mask < mx; mask++){
		for(int i = 1; i <= N; i++){
			for(int nx : adj[i]){
				if((mask >> col[nx] & 1) == 0) dp[nx][mask | 1 << col[nx]] += dp[i][mask];
			}
		}
	}

	ll ans = 0;
	for(int i = 1; i <= N; i++){
		for(int mask = 0; mask < mx; mask++) ans += dp[i][mask];
	}
	cout << ans - N << '\n';
}

Subtask #1

23.0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	7380 KB	Output is correct
2	Correct	4 ms	7380 KB	Output is correct
3	Correct	4 ms	7380 KB	Output is correct
4	Correct	3 ms	7388 KB	Output is correct
5	Correct	5 ms	7380 KB	Output is correct
6	Correct	4 ms	7384 KB	Output is correct
7	Correct	5 ms	7384 KB	Output is correct
8	Correct	3 ms	7380 KB	Output is correct
9	Correct	3 ms	7380 KB	Output is correct
10	Correct	3 ms	7380 KB	Output is correct

Subtask #2

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	76 ms	15052 KB	Output is correct
2	Correct	57 ms	13408 KB	Output is correct
3	Correct	287 ms	98876 KB	Output is correct
4	Correct	74 ms	22980 KB	Output is correct
5	Correct	93 ms	23024 KB	Output is correct
6	Correct	196 ms	70932 KB	Output is correct
7	Correct	274 ms	98788 KB	Output is correct
8	Correct	289 ms	99532 KB	Output is correct

Subtask #3

27.0 / 27.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	7380 KB	Output is correct
2	Correct	4 ms	7380 KB	Output is correct
3	Correct	4 ms	7380 KB	Output is correct
4	Correct	3 ms	7388 KB	Output is correct
5	Correct	5 ms	7380 KB	Output is correct
6	Correct	4 ms	7384 KB	Output is correct
7	Correct	5 ms	7384 KB	Output is correct
8	Correct	3 ms	7380 KB	Output is correct
9	Correct	3 ms	7380 KB	Output is correct
10	Correct	3 ms	7380 KB	Output is correct
11	Correct	76 ms	15052 KB	Output is correct
12	Correct	57 ms	13408 KB	Output is correct
13	Correct	287 ms	98876 KB	Output is correct
14	Correct	74 ms	22980 KB	Output is correct
15	Correct	93 ms	23024 KB	Output is correct
16	Correct	196 ms	70932 KB	Output is correct
17	Correct	274 ms	98788 KB	Output is correct
18	Correct	289 ms	99532 KB	Output is correct
19	Correct	94 ms	15156 KB	Output is correct
20	Correct	53 ms	13444 KB	Output is correct
21	Correct	272 ms	98808 KB	Output is correct
22	Correct	85 ms	23024 KB	Output is correct
23	Correct	70 ms	22940 KB	Output is correct
24	Correct	197 ms	70920 KB	Output is correct
25	Correct	280 ms	98872 KB	Output is correct
26	Correct	291 ms	99532 KB	Output is correct
27	Correct	75 ms	13404 KB	Output is correct
28	Correct	99 ms	16616 KB	Output is correct
29	Correct	457 ms	98868 KB	Output is correct
30	Correct	298 ms	56556 KB	Output is correct
31	Correct	285 ms	56528 KB	Output is correct
32	Correct	403 ms	98848 KB	Output is correct
33	Correct	3 ms	7380 KB	Output is correct
34	Correct	3 ms	7380 KB	Output is correct
35	Correct	4 ms	7380 KB	Output is correct
36	Correct	5 ms	7380 KB	Output is correct
37	Correct	4 ms	7380 KB	Output is correct
38	Correct	4 ms	7384 KB	Output is correct
39	Correct	4 ms	7388 KB	Output is correct
40	Correct	4 ms	7380 KB	Output is correct
41	Correct	3 ms	7380 KB	Output is correct
42	Correct	3 ms	7384 KB	Output is correct

Subtask #4

30.0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	7388 KB	Output is correct
2	Correct	41 ms	9312 KB	Output is correct
3	Correct	19 ms	9300 KB	Output is correct
4	Correct	70 ms	37648 KB	Output is correct
5	Correct	51 ms	38360 KB	Output is correct
6	Correct	148 ms	37728 KB	Output is correct
7	Correct	26 ms	9300 KB	Output is correct
8	Correct	104 ms	37708 KB	Output is correct
9	Correct	63 ms	38472 KB	Output is correct
10	Correct	83 ms	38340 KB	Output is correct
11	Correct	74 ms	23368 KB	Output is correct
12	Correct	81 ms	31032 KB	Output is correct
13	Correct	93 ms	23432 KB	Output is correct
14	Correct	143 ms	37724 KB	Output is correct
15	Correct	146 ms	37748 KB	Output is correct
16	Correct	3 ms	7380 KB	Output is correct
17	Correct	3 ms	7380 KB	Output is correct
18	Correct	4 ms	7384 KB	Output is correct
19	Correct	3 ms	7380 KB	Output is correct
20	Correct	3 ms	7380 KB	Output is correct
21	Correct	3 ms	7380 KB	Output is correct
22	Correct	3 ms	7380 KB	Output is correct
23	Correct	3 ms	7380 KB	Output is correct
24	Correct	3 ms	7380 KB	Output is correct
25	Correct	3 ms	7380 KB	Output is correct