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Submission #331065

# Submission time Handle Problem Language Result Execution time Memory
331065 2020-11-27T08:14:56 Z nandonathaniel Paths (BOI18_paths) C++14
100 / 100
 535 ms 97388 KB 
#include<bits/stdc++.h>
using namespace std;
const int MAXN=300005,LOG=5;
long long dp[MAXN][1<<LOG];

vector<int> adj[MAXN];
int c[MAXN];

long long DP(int now,int mask){
	long long &ret=dp[now][mask];
	if(ret!=-1)return ret;
	ret=1;
	for(auto nxt : adj[now]){
		if(mask & (1<<c[nxt]))continue;
		ret+=DP(nxt,mask+(1<<c[nxt]));
	}
	return ret;
}

int main(){
	ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
	int n,m,k,u,v;
	cin >> n >> m >> k;
	for(int i=1;i<=n;i++){
		cin >> c[i];
		c[i]--;
	}
	for(int i=1;i<=m;i++){
		cin >> u >> v;
		adj[u].push_back(v);
		adj[v].push_back(u);
	}
	memset(dp,-1,sizeof(dp));
	long long ans=-n;
	for(int i=1;i<=n;i++){
		ans+=DP(i,1<<c[i]);
	}
	cout << ans << '\n';
	return 0;
}

Subtask #1
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 43 ms 82540 KB Output is correct
2 Correct 43 ms 82540 KB Output is correct
3 Correct 43 ms 82540 KB Output is correct
4 Correct 51 ms 82540 KB Output is correct
5 Correct 43 ms 82540 KB Output is correct
6 Correct 46 ms 82540 KB Output is correct
7 Correct 44 ms 82540 KB Output is correct
8 Correct 43 ms 82540 KB Output is correct
9 Correct 44 ms 82540 KB Output is correct
10 Correct 44 ms 82540 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 125 ms 89068 KB Output is correct
2 Correct 123 ms 88348 KB Output is correct
3 Correct 449 ms 96764 KB Output is correct
4 Correct 191 ms 90476 KB Output is correct
5 Correct 158 ms 90476 KB Output is correct
6 Correct 333 ms 94560 KB Output is correct
7 Correct 535 ms 96492 KB Output is correct
8 Correct 415 ms 97388 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 43 ms 82540 KB Output is correct
2 Correct 43 ms 82540 KB Output is correct
3 Correct 43 ms 82540 KB Output is correct
4 Correct 51 ms 82540 KB Output is correct
5 Correct 43 ms 82540 KB Output is correct
6 Correct 46 ms 82540 KB Output is correct
7 Correct 44 ms 82540 KB Output is correct
8 Correct 43 ms 82540 KB Output is correct
9 Correct 44 ms 82540 KB Output is correct
10 Correct 44 ms 82540 KB Output is correct
11 Correct 125 ms 89068 KB Output is correct
12 Correct 123 ms 88348 KB Output is correct
13 Correct 449 ms 96764 KB Output is correct
14 Correct 191 ms 90476 KB Output is correct
15 Correct 158 ms 90476 KB Output is correct
16 Correct 333 ms 94560 KB Output is correct
17 Correct 535 ms 96492 KB Output is correct
18 Correct 415 ms 97388 KB Output is correct
19 Correct 139 ms 89068 KB Output is correct
20 Correct 117 ms 88684 KB Output is correct
21 Correct 436 ms 96620 KB Output is correct
22 Correct 184 ms 90476 KB Output is correct
23 Correct 159 ms 90476 KB Output is correct
24 Correct 338 ms 94560 KB Output is correct
25 Correct 435 ms 96748 KB Output is correct
26 Correct 426 ms 97276 KB Output is correct
27 Correct 133 ms 88428 KB Output is correct
28 Correct 164 ms 89836 KB Output is correct
29 Correct 524 ms 96620 KB Output is correct
30 Correct 408 ms 93024 KB Output is correct
31 Correct 456 ms 93028 KB Output is correct
32 Correct 523 ms 96620 KB Output is correct
33 Correct 48 ms 82540 KB Output is correct
34 Correct 44 ms 82540 KB Output is correct
35 Correct 44 ms 82540 KB Output is correct
36 Correct 45 ms 82540 KB Output is correct
37 Correct 44 ms 82540 KB Output is correct
38 Correct 44 ms 82540 KB Output is correct
39 Correct 48 ms 82540 KB Output is correct
40 Correct 44 ms 82540 KB Output is correct
41 Correct 44 ms 82540 KB Output is correct
42 Correct 46 ms 82540 KB Output is correct

Subtask #4
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 46 ms 82540 KB Output is correct
2 Correct 93 ms 84552 KB Output is correct
3 Correct 80 ms 84412 KB Output is correct
4 Correct 146 ms 87020 KB Output is correct
5 Correct 121 ms 87780 KB Output is correct
6 Correct 212 ms 87276 KB Output is correct
7 Correct 71 ms 84460 KB Output is correct
8 Correct 168 ms 87148 KB Output is correct
9 Correct 118 ms 87780 KB Output is correct
10 Correct 144 ms 87652 KB Output is correct
11 Correct 155 ms 85736 KB Output is correct
12 Correct 124 ms 87008 KB Output is correct
13 Correct 162 ms 85732 KB Output is correct
14 Correct 187 ms 87020 KB Output is correct
15 Correct 154 ms 87276 KB Output is correct
16 Correct 42 ms 82540 KB Output is correct
17 Correct 44 ms 82668 KB Output is correct
18 Correct 49 ms 82540 KB Output is correct
19 Correct 42 ms 82540 KB Output is correct
20 Correct 43 ms 82540 KB Output is correct
21 Correct 42 ms 82540 KB Output is correct
22 Correct 43 ms 82540 KB Output is correct
23 Correct 45 ms 82540 KB Output is correct
24 Correct 42 ms 82540 KB Output is correct
25 Correct 42 ms 82668 KB Output is correct