oj.uz

Submission #538190

# Submission time Handle Problem Language Result Execution time Memory
538190 2022-03-16T07:44:31 Z new_acc Paths (BOI18_paths) C++14
100 / 100
 512 ms 56672 KB 
#include<bits/stdc++.h>
#define fi first
#define se second
#define pitem item*
using namespace std;
typedef long long ll;
typedef vector<int> vi;
typedef vector<ll> vl;
const int N=3e5+10;
ll dp[1<<5][N];
vi graf[N];
int k[N];
void solve(){
	int n,m,kk;
	cin>>n>>m>>kk;
	for(int i=1;i<=n;i++) cin>>k[i];
	for(int i=1,a,b,c;i<=m;i++){
		cin>>a>>b;
		graf[a].push_back(b),graf[b].push_back(a);
	}
	ll res=0;
	for(int i=1;i<(1<<kk);i++){
		for(int wsk=1;wsk<=n;wsk++){
			if((1<<(k[wsk]-1))&i){
				if(__builtin_popcount(i)==1) dp[i][wsk]=1;
				else for(auto u:graf[wsk]) dp[i][wsk]+=dp[i-(1<<(k[wsk]-1))][u];
			}
			res+=dp[i][wsk];
		}
	}
	cout<<res-n<<"\n";
}
int main(){
	solve();
}

Compilation message

paths.cpp: In function 'void solve()':
paths.cpp:17:18: warning: unused variable 'c' [-Wunused-variable]
   17 |  for(int i=1,a,b,c;i<=m;i++){
      |                  ^

Subtask #1
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 7380 KB Output is correct
2 Correct 4 ms 7380 KB Output is correct
3 Correct 4 ms 7320 KB Output is correct
4 Correct 4 ms 7380 KB Output is correct
5 Correct 4 ms 7252 KB Output is correct
6 Correct 4 ms 7380 KB Output is correct
7 Correct 4 ms 7380 KB Output is correct
8 Correct 4 ms 7380 KB Output is correct
9 Correct 6 ms 7380 KB Output is correct
10 Correct 4 ms 7380 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 185 ms 11212 KB Output is correct
2 Correct 126 ms 10944 KB Output is correct
3 Correct 390 ms 37220 KB Output is correct
4 Correct 253 ms 15876 KB Output is correct
5 Correct 192 ms 15452 KB Output is correct
6 Correct 323 ms 30244 KB Output is correct
7 Correct 427 ms 37760 KB Output is correct
8 Correct 399 ms 38544 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 7380 KB Output is correct
2 Correct 4 ms 7380 KB Output is correct
3 Correct 4 ms 7320 KB Output is correct
4 Correct 4 ms 7380 KB Output is correct
5 Correct 4 ms 7252 KB Output is correct
6 Correct 4 ms 7380 KB Output is correct
7 Correct 4 ms 7380 KB Output is correct
8 Correct 4 ms 7380 KB Output is correct
9 Correct 6 ms 7380 KB Output is correct
10 Correct 4 ms 7380 KB Output is correct
11 Correct 185 ms 11212 KB Output is correct
12 Correct 126 ms 10944 KB Output is correct
13 Correct 390 ms 37220 KB Output is correct
14 Correct 253 ms 15876 KB Output is correct
15 Correct 192 ms 15452 KB Output is correct
16 Correct 323 ms 30244 KB Output is correct
17 Correct 427 ms 37760 KB Output is correct
18 Correct 399 ms 38544 KB Output is correct
19 Correct 187 ms 14036 KB Output is correct
20 Correct 129 ms 13252 KB Output is correct
21 Correct 428 ms 37800 KB Output is correct
22 Correct 218 ms 16020 KB Output is correct
23 Correct 193 ms 15468 KB Output is correct
24 Correct 340 ms 30264 KB Output is correct
25 Correct 412 ms 37812 KB Output is correct
26 Correct 496 ms 38336 KB Output is correct
27 Correct 168 ms 13344 KB Output is correct
28 Correct 165 ms 15668 KB Output is correct
29 Correct 494 ms 56672 KB Output is correct
30 Correct 369 ms 35388 KB Output is correct
31 Correct 332 ms 34356 KB Output is correct
32 Correct 512 ms 56596 KB Output is correct
33 Correct 4 ms 7380 KB Output is correct
34 Correct 4 ms 7380 KB Output is correct
35 Correct 4 ms 7380 KB Output is correct
36 Correct 5 ms 7360 KB Output is correct
37 Correct 4 ms 7360 KB Output is correct
38 Correct 4 ms 7488 KB Output is correct
39 Correct 5 ms 7380 KB Output is correct
40 Correct 6 ms 7472 KB Output is correct
41 Correct 4 ms 7380 KB Output is correct
42 Correct 4 ms 7360 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 48 ms 8812 KB Output is correct
3 Correct 46 ms 8444 KB Output is correct
4 Correct 118 ms 15968 KB Output is correct
5 Correct 118 ms 16716 KB Output is correct
6 Correct 169 ms 34892 KB Output is correct
7 Correct 47 ms 8600 KB Output is correct
8 Correct 136 ms 22308 KB Output is correct
9 Correct 120 ms 23028 KB Output is correct
10 Correct 133 ms 22188 KB Output is correct
11 Correct 96 ms 21704 KB Output is correct
12 Correct 113 ms 26980 KB Output is correct
13 Correct 115 ms 20564 KB Output is correct
14 Correct 179 ms 34916 KB Output is correct
15 Correct 176 ms 35124 KB Output is correct
16 Correct 4 ms 7380 KB Output is correct
17 Correct 4 ms 7380 KB Output is correct
18 Correct 4 ms 7380 KB Output is correct
19 Correct 4 ms 7380 KB Output is correct
20 Correct 4 ms 7252 KB Output is correct
21 Correct 4 ms 7380 KB Output is correct
22 Correct 4 ms 7380 KB Output is correct
23 Correct 4 ms 7380 KB Output is correct
24 Correct 4 ms 7380 KB Output is correct
25 Correct 4 ms 7380 KB Output is correct