oj.uz

답안 #895636

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
895636 2023-12-30T12:24:24 Z pcc Paths (BOI18_paths) C++14
100 / 100
 323 ms 84820 KB 
#include <bits/stdc++.h>
using namespace std;

#define ll long long
#define pll pair<ll,ll>
#define pii pair<int,int>
#define fs first
#define sc second
#define tlll tuple<ll,ll,ll>


const int mxn = 3e5+10;
ll dp[33][mxn];
ll N,M,K;
int col[mxn];
vector<int> paths[mxn];

inline ll calc(int mask){
	ll re = 0;
	for(int i = 1;i<=N;i++){
		re += dp[mask][i];
		for(auto &nxt:paths[i]){
			if(mask&(1<<col[nxt]))continue;
			dp[mask^(1<<col[nxt])][nxt] += dp[mask][i];
		}
	}
	return re;
}

int main(){
	ios::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]--;
		dp[1<<col[i]][i] = 1;
	}
	for(int i = 0;i<M;i++){
		int a,b;
		cin>>a>>b;
		paths[a].push_back(b);
		paths[b].push_back(a);
	}
	ll ans = 0;
	for(int i = 1;i<(1<<K);i++){
		ll re = calc(i);
		if(__builtin_popcount(i)>1)ans += re;
	}
	cout<<ans;
}

Subtask #1
23.0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 39512 KB Output is correct
2 Correct 6 ms 39516 KB Output is correct
3 Correct 4 ms 23132 KB Output is correct
4 Correct 3 ms 14936 KB Output is correct
5 Correct 2 ms 10844 KB Output is correct
6 Correct 5 ms 39512 KB Output is correct
7 Correct 5 ms 39516 KB Output is correct
8 Correct 5 ms 39516 KB Output is correct
9 Correct 4 ms 33368 KB Output is correct
10 Correct 4 ms 23132 KB Output is correct

Subtask #2
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 59 ms 29576 KB Output is correct
2 Correct 50 ms 29048 KB Output is correct
3 Correct 188 ms 40016 KB Output is correct
4 Correct 64 ms 22608 KB Output is correct
5 Correct 60 ms 18648 KB Output is correct
6 Correct 173 ms 36204 KB Output is correct
7 Correct 213 ms 40164 KB Output is correct
8 Correct 251 ms 40796 KB Output is correct

Subtask #3
27.0 / 27.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 39512 KB Output is correct
2 Correct 6 ms 39516 KB Output is correct
3 Correct 4 ms 23132 KB Output is correct
4 Correct 3 ms 14936 KB Output is correct
5 Correct 2 ms 10844 KB Output is correct
6 Correct 5 ms 39512 KB Output is correct
7 Correct 5 ms 39516 KB Output is correct
8 Correct 5 ms 39516 KB Output is correct
9 Correct 4 ms 33368 KB Output is correct
10 Correct 4 ms 23132 KB Output is correct
11 Correct 59 ms 29576 KB Output is correct
12 Correct 50 ms 29048 KB Output is correct
13 Correct 188 ms 40016 KB Output is correct
14 Correct 64 ms 22608 KB Output is correct
15 Correct 60 ms 18648 KB Output is correct
16 Correct 173 ms 36204 KB Output is correct
17 Correct 213 ms 40164 KB Output is correct
18 Correct 251 ms 40796 KB Output is correct
19 Correct 58 ms 29524 KB Output is correct
20 Correct 52 ms 29012 KB Output is correct
21 Correct 185 ms 40016 KB Output is correct
22 Correct 76 ms 22876 KB Output is correct
23 Correct 58 ms 18512 KB Output is correct
24 Correct 117 ms 36408 KB Output is correct
25 Correct 169 ms 40020 KB Output is correct
26 Correct 213 ms 41044 KB Output is correct
27 Correct 72 ms 45476 KB Output is correct
28 Correct 86 ms 46868 KB Output is correct
29 Correct 323 ms 58708 KB Output is correct
30 Correct 173 ms 53504 KB Output is correct
31 Correct 164 ms 53456 KB Output is correct
32 Correct 310 ms 58616 KB Output is correct
33 Correct 6 ms 39516 KB Output is correct
34 Correct 5 ms 39512 KB Output is correct
35 Correct 4 ms 23132 KB Output is correct
36 Correct 3 ms 14940 KB Output is correct
37 Correct 2 ms 10844 KB Output is correct
38 Correct 5 ms 39516 KB Output is correct
39 Correct 5 ms 39516 KB Output is correct
40 Correct 5 ms 39516 KB Output is correct
41 Correct 5 ms 33372 KB Output is correct
42 Correct 4 ms 23132 KB Output is correct

Subtask #4
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 8 ms 57948 KB Output is correct
2 Correct 47 ms 74312 KB Output is correct
3 Correct 19 ms 24912 KB Output is correct
4 Correct 44 ms 29384 KB Output is correct
5 Correct 33 ms 29896 KB Output is correct
6 Correct 110 ms 84744 KB Output is correct
7 Correct 27 ms 41304 KB Output is correct
8 Correct 72 ms 47820 KB Output is correct
9 Correct 48 ms 48596 KB Output is correct
10 Correct 53 ms 48288 KB Output is correct
11 Correct 77 ms 83408 KB Output is correct
12 Correct 81 ms 84476 KB Output is correct
13 Correct 75 ms 83536 KB Output is correct
14 Correct 117 ms 84768 KB Output is correct
15 Correct 107 ms 84820 KB Output is correct
16 Correct 5 ms 39512 KB Output is correct
17 Correct 5 ms 39516 KB Output is correct
18 Correct 4 ms 23132 KB Output is correct
19 Correct 2 ms 14940 KB Output is correct
20 Correct 2 ms 10844 KB Output is correct
21 Correct 5 ms 39516 KB Output is correct
22 Correct 6 ms 39516 KB Output is correct
23 Correct 6 ms 39580 KB Output is correct
24 Correct 5 ms 33368 KB Output is correct
25 Correct 4 ms 23128 KB Output is correct