Submission #391125

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
391125	2021-04-18T00:01:31 Z	nikatamliani	Paths (BOI18_paths)	C++14	100 / 100	406 ms	56772 KB

paths

#include <bits/stdc++.h>
#define ll long long
using namespace std;
const ll N = 3e5+10;
int a[N], color[N], n, m, k;
vector<int> edges[N];
long long dp[32][N];
int main() {
	ios::sync_with_stdio(0); cin.tie(0);
	cin >> n >> m >> k;
	for(int i = 0; i < n; ++i) {
		cin >> color[i];
		--color[i];
	}
	for(int i = 1; i <= m; ++i) {
		int u, v;
		cin >> u >> v;
		--u, --v;
		edges[u].push_back(v);
		edges[v].push_back(u);
	}
	for(int i = 0; i < n; ++i) {
		dp[1 << color[i]][i] = 1;
	}
	for(int mask = 1; mask < (1 << k); ++mask) {
		for(int x = 0; x < n; ++x) {
			int bit = color[x];
			if(mask >> bit & 1) {
				int submask = mask ^ (1 << bit);
				for(int i : edges[x]) {
					dp[mask][x] += dp[submask][i];
				}
			}
		}
	}
	long long ans = -n;
	for(int mask = 0; mask < (1 << k); ++mask) {
		for(int x = 0; x < n; ++x) {
			ans += dp[mask][x];
		}
	}
	cout << ans << endl;
}

Subtask #1

23.0 / 23.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	7500 KB	Output is correct
2	Correct	4 ms	7500 KB	Output is correct
3	Correct	4 ms	7380 KB	Output is correct
4	Correct	5 ms	7364 KB	Output is correct
5	Correct	5 ms	7372 KB	Output is correct
6	Correct	4 ms	7504 KB	Output is correct
7	Correct	5 ms	7500 KB	Output is correct
8	Correct	5 ms	7500 KB	Output is correct
9	Correct	4 ms	7372 KB	Output is correct
10	Correct	4 ms	7372 KB	Output is correct

Subtask #2

20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	75 ms	14300 KB	Output is correct
2	Correct	60 ms	13204 KB	Output is correct
3	Correct	294 ms	37780 KB	Output is correct
4	Correct	108 ms	16068 KB	Output is correct
5	Correct	98 ms	15424 KB	Output is correct
6	Correct	194 ms	30312 KB	Output is correct
7	Correct	299 ms	37792 KB	Output is correct
8	Correct	305 ms	38448 KB	Output is correct

Subtask #3

27.0 / 27.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	7500 KB	Output is correct
2	Correct	4 ms	7500 KB	Output is correct
3	Correct	4 ms	7380 KB	Output is correct
4	Correct	5 ms	7364 KB	Output is correct
5	Correct	5 ms	7372 KB	Output is correct
6	Correct	4 ms	7504 KB	Output is correct
7	Correct	5 ms	7500 KB	Output is correct
8	Correct	5 ms	7500 KB	Output is correct
9	Correct	4 ms	7372 KB	Output is correct
10	Correct	4 ms	7372 KB	Output is correct
11	Correct	75 ms	14300 KB	Output is correct
12	Correct	60 ms	13204 KB	Output is correct
13	Correct	294 ms	37780 KB	Output is correct
14	Correct	108 ms	16068 KB	Output is correct
15	Correct	98 ms	15424 KB	Output is correct
16	Correct	194 ms	30312 KB	Output is correct
17	Correct	299 ms	37792 KB	Output is correct
18	Correct	305 ms	38448 KB	Output is correct
19	Correct	71 ms	14144 KB	Output is correct
20	Correct	62 ms	13264 KB	Output is correct
21	Correct	308 ms	37908 KB	Output is correct
22	Correct	97 ms	15992 KB	Output is correct
23	Correct	102 ms	15476 KB	Output is correct
24	Correct	197 ms	30260 KB	Output is correct
25	Correct	288 ms	37776 KB	Output is correct
26	Correct	310 ms	38496 KB	Output is correct
27	Correct	63 ms	13380 KB	Output is correct
28	Correct	91 ms	15800 KB	Output is correct
29	Correct	406 ms	56544 KB	Output is correct
30	Correct	225 ms	35512 KB	Output is correct
31	Correct	241 ms	34380 KB	Output is correct
32	Correct	404 ms	56772 KB	Output is correct
33	Correct	5 ms	7500 KB	Output is correct
34	Correct	5 ms	7500 KB	Output is correct
35	Correct	4 ms	7372 KB	Output is correct
36	Correct	5 ms	7372 KB	Output is correct
37	Correct	4 ms	7376 KB	Output is correct
38	Correct	5 ms	7500 KB	Output is correct
39	Correct	5 ms	7500 KB	Output is correct
40	Correct	5 ms	7504 KB	Output is correct
41	Correct	5 ms	7380 KB	Output is correct
42	Correct	4 ms	7372 KB	Output is correct

Subtask #4

30.0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	4 ms	7508 KB	Output is correct
2	Correct	25 ms	9560 KB	Output is correct
3	Correct	23 ms	9292 KB	Output is correct
4	Correct	71 ms	17372 KB	Output is correct
5	Correct	58 ms	18108 KB	Output is correct
6	Correct	133 ms	36248 KB	Output is correct
7	Correct	24 ms	9356 KB	Output is correct
8	Correct	104 ms	23736 KB	Output is correct
9	Correct	68 ms	24512 KB	Output is correct
10	Correct	82 ms	23548 KB	Output is correct
11	Correct	74 ms	22820 KB	Output is correct
12	Correct	74 ms	28344 KB	Output is correct
13	Correct	70 ms	21816 KB	Output is correct
14	Correct	136 ms	36364 KB	Output is correct
15	Correct	147 ms	36504 KB	Output is correct
16	Correct	5 ms	7500 KB	Output is correct
17	Correct	5 ms	7504 KB	Output is correct
18	Correct	5 ms	7372 KB	Output is correct
19	Correct	5 ms	7376 KB	Output is correct
20	Correct	5 ms	7372 KB	Output is correct
21	Correct	5 ms	7504 KB	Output is correct
22	Correct	5 ms	7500 KB	Output is correct
23	Correct	4 ms	7504 KB	Output is correct
24	Correct	5 ms	7372 KB	Output is correct
25	Correct	5 ms	7372 KB	Output is correct