답안 #914303

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
914303	2024-01-21T15:01:33 Z	dsyz	Paths (BOI18_paths)	C++17	70 / 100	932 ms	104336 KB

paths

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define MAXN (300005)
ll N,M,K;
vector<ll> v[MAXN];
ll colour[MAXN], dp[MAXN][(1ll<<5) + 1];
bool visited[MAXN][(1ll<<5) + 1];
int main() {
	ios_base::sync_with_stdio(false);cin.tie(0);
	cin>>N>>M>>K;
	for(ll i = 0;i < N;i++){
		cin>>colour[i];
		dp[i][1ll<<colour[i]] = 1;
	}
	for(ll i = 0;i < M;i++){
		ll a,b;
		cin>>a>>b;
		a--, b--;
		v[a].push_back(b);
		v[b].push_back(a);
	}
	for(ll bitmask = 0;bitmask < (1ll<<5);bitmask++){
		for(ll x = 0;x < N;x++){
			for(auto u : v[x]){
				if((bitmask & (1ll<<colour[u])) == 0){
					dp[u][bitmask | (1ll<<colour[u])] += dp[x][bitmask];
				}
			}
		}
	}
	ll ans = 0;
	for(ll bitmask = 0;bitmask < (1ll<<5);bitmask++){
		for(ll x = 0;x < N;x++){
			ans += dp[x][bitmask];
		}
	}
	cout<<ans - N<<'\n';
}

Subtask #1

23.0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	12636 KB	Output is correct
2	Correct	3 ms	12636 KB	Output is correct
3	Correct	4 ms	12636 KB	Output is correct
4	Correct	3 ms	12636 KB	Output is correct
5	Correct	3 ms	12636 KB	Output is correct
6	Correct	3 ms	12636 KB	Output is correct
7	Correct	4 ms	12636 KB	Output is correct
8	Correct	3 ms	12636 KB	Output is correct
9	Correct	4 ms	12636 KB	Output is correct
10	Correct	4 ms	12636 KB	Output is correct

Subtask #2

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	134 ms	21892 KB	Output is correct
2	Correct	110 ms	22100 KB	Output is correct
3	Correct	880 ms	103768 KB	Output is correct
4	Correct	194 ms	32340 KB	Output is correct
5	Correct	147 ms	32340 KB	Output is correct
6	Correct	587 ms	76736 KB	Output is correct
7	Correct	875 ms	103660 KB	Output is correct
8	Correct	900 ms	104172 KB	Output is correct

Subtask #3

27.0 / 27.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	12636 KB	Output is correct
2	Correct	3 ms	12636 KB	Output is correct
3	Correct	4 ms	12636 KB	Output is correct
4	Correct	3 ms	12636 KB	Output is correct
5	Correct	3 ms	12636 KB	Output is correct
6	Correct	3 ms	12636 KB	Output is correct
7	Correct	4 ms	12636 KB	Output is correct
8	Correct	3 ms	12636 KB	Output is correct
9	Correct	4 ms	12636 KB	Output is correct
10	Correct	4 ms	12636 KB	Output is correct
11	Correct	134 ms	21892 KB	Output is correct
12	Correct	110 ms	22100 KB	Output is correct
13	Correct	880 ms	103768 KB	Output is correct
14	Correct	194 ms	32340 KB	Output is correct
15	Correct	147 ms	32340 KB	Output is correct
16	Correct	587 ms	76736 KB	Output is correct
17	Correct	875 ms	103660 KB	Output is correct
18	Correct	900 ms	104172 KB	Output is correct
19	Correct	125 ms	24736 KB	Output is correct
20	Correct	106 ms	22108 KB	Output is correct
21	Correct	843 ms	103800 KB	Output is correct
22	Correct	241 ms	32340 KB	Output is correct
23	Correct	152 ms	32340 KB	Output is correct
24	Correct	591 ms	76728 KB	Output is correct
25	Correct	908 ms	103764 KB	Output is correct
26	Correct	887 ms	104336 KB	Output is correct
27	Correct	114 ms	22084 KB	Output is correct
28	Correct	140 ms	26220 KB	Output is correct
29	Correct	932 ms	103736 KB	Output is correct
30	Correct	522 ms	64452 KB	Output is correct
31	Correct	559 ms	64456 KB	Output is correct
32	Correct	923 ms	103656 KB	Output is correct
33	Correct	3 ms	12636 KB	Output is correct
34	Correct	5 ms	12708 KB	Output is correct
35	Correct	3 ms	12636 KB	Output is correct
36	Correct	4 ms	12636 KB	Output is correct
37	Correct	3 ms	12636 KB	Output is correct
38	Correct	3 ms	12636 KB	Output is correct
39	Correct	4 ms	12636 KB	Output is correct
40	Correct	3 ms	12636 KB	Output is correct
41	Correct	4 ms	12636 KB	Output is correct
42	Correct	3 ms	12636 KB	Output is correct

Subtask #4

0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Incorrect	4 ms	12632 KB	Output isn't correct
2	Halted	0 ms	0 KB	-