#include<bits/stdc++.h>
using namespace std;
#define IOS cin.tie(nullptr)->sync_with_stdio(0),cin.exceptions(cin.failbit);
#define lb(x) (x)&-(x)
#define all(x) (x).begin(),(x).end()
#define ll long long
constexpr int maxN=3e5+5;
int n,m,k,col[maxN];
ll dp[maxN][1<<5],ans;
vector<int> adj[maxN];
int main(){
cin>>n>>m>>k;
for(int i = 1;i<=n;i++)cin>>col[i],--col[i],dp[i][1<<col[i]]=1;
for(int a,b;m--;)cin>>a>>b,adj[adj[b].emplace_back(a)].emplace_back(b);
for(int mask = 0;mask<1<<k;mask++)for(int i = 1;i<=n;i++)if(mask>>col[i]&1)for(int j:adj[i])dp[i][mask]+=dp[j][mask^(1<<col[i])];
for(int mask = 0;mask<1<<k;mask++)for(int i = 1;i<=n;i++)if(__builtin_popcount(mask)>1)ans+=dp[i][mask];
cout<<ans;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
7516 KB |
Output is correct |
2 |
Correct |
3 ms |
7452 KB |
Output is correct |
3 |
Correct |
3 ms |
7260 KB |
Output is correct |
4 |
Correct |
3 ms |
7516 KB |
Output is correct |
5 |
Correct |
3 ms |
7484 KB |
Output is correct |
6 |
Correct |
3 ms |
7476 KB |
Output is correct |
7 |
Correct |
3 ms |
7492 KB |
Output is correct |
8 |
Correct |
3 ms |
7492 KB |
Output is correct |
9 |
Correct |
4 ms |
7496 KB |
Output is correct |
10 |
Correct |
4 ms |
7260 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
106 ms |
15216 KB |
Output is correct |
2 |
Correct |
93 ms |
13392 KB |
Output is correct |
3 |
Correct |
284 ms |
96532 KB |
Output is correct |
4 |
Correct |
132 ms |
22868 KB |
Output is correct |
5 |
Correct |
127 ms |
22868 KB |
Output is correct |
6 |
Correct |
218 ms |
69348 KB |
Output is correct |
7 |
Correct |
266 ms |
96596 KB |
Output is correct |
8 |
Correct |
258 ms |
97104 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
7516 KB |
Output is correct |
2 |
Correct |
3 ms |
7452 KB |
Output is correct |
3 |
Correct |
3 ms |
7260 KB |
Output is correct |
4 |
Correct |
3 ms |
7516 KB |
Output is correct |
5 |
Correct |
3 ms |
7484 KB |
Output is correct |
6 |
Correct |
3 ms |
7476 KB |
Output is correct |
7 |
Correct |
3 ms |
7492 KB |
Output is correct |
8 |
Correct |
3 ms |
7492 KB |
Output is correct |
9 |
Correct |
4 ms |
7496 KB |
Output is correct |
10 |
Correct |
4 ms |
7260 KB |
Output is correct |
11 |
Correct |
106 ms |
15216 KB |
Output is correct |
12 |
Correct |
93 ms |
13392 KB |
Output is correct |
13 |
Correct |
284 ms |
96532 KB |
Output is correct |
14 |
Correct |
132 ms |
22868 KB |
Output is correct |
15 |
Correct |
127 ms |
22868 KB |
Output is correct |
16 |
Correct |
218 ms |
69348 KB |
Output is correct |
17 |
Correct |
266 ms |
96596 KB |
Output is correct |
18 |
Correct |
258 ms |
97104 KB |
Output is correct |
19 |
Correct |
116 ms |
15192 KB |
Output is correct |
20 |
Correct |
80 ms |
13512 KB |
Output is correct |
21 |
Correct |
265 ms |
96440 KB |
Output is correct |
22 |
Correct |
145 ms |
22864 KB |
Output is correct |
23 |
Correct |
134 ms |
22860 KB |
Output is correct |
24 |
Correct |
201 ms |
69316 KB |
Output is correct |
25 |
Correct |
274 ms |
96596 KB |
Output is correct |
26 |
Correct |
265 ms |
97104 KB |
Output is correct |
27 |
Correct |
83 ms |
13388 KB |
Output is correct |
28 |
Correct |
114 ms |
16728 KB |
Output is correct |
29 |
Correct |
325 ms |
96512 KB |
Output is correct |
30 |
Correct |
222 ms |
55496 KB |
Output is correct |
31 |
Correct |
222 ms |
55344 KB |
Output is correct |
32 |
Correct |
325 ms |
96424 KB |
Output is correct |
33 |
Correct |
4 ms |
7516 KB |
Output is correct |
34 |
Correct |
3 ms |
7516 KB |
Output is correct |
35 |
Correct |
3 ms |
7768 KB |
Output is correct |
36 |
Correct |
3 ms |
7260 KB |
Output is correct |
37 |
Correct |
3 ms |
7516 KB |
Output is correct |
38 |
Correct |
3 ms |
7512 KB |
Output is correct |
39 |
Correct |
4 ms |
7516 KB |
Output is correct |
40 |
Correct |
3 ms |
7516 KB |
Output is correct |
41 |
Correct |
3 ms |
7504 KB |
Output is correct |
42 |
Correct |
3 ms |
7256 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
7260 KB |
Output is correct |
2 |
Correct |
32 ms |
9288 KB |
Output is correct |
3 |
Correct |
31 ms |
9296 KB |
Output is correct |
4 |
Correct |
76 ms |
37040 KB |
Output is correct |
5 |
Correct |
72 ms |
37572 KB |
Output is correct |
6 |
Correct |
154 ms |
36948 KB |
Output is correct |
7 |
Correct |
31 ms |
9296 KB |
Output is correct |
8 |
Correct |
111 ms |
36900 KB |
Output is correct |
9 |
Correct |
80 ms |
37576 KB |
Output is correct |
10 |
Correct |
116 ms |
37652 KB |
Output is correct |
11 |
Correct |
75 ms |
23000 KB |
Output is correct |
12 |
Correct |
84 ms |
30540 KB |
Output is correct |
13 |
Correct |
68 ms |
23376 KB |
Output is correct |
14 |
Correct |
115 ms |
36812 KB |
Output is correct |
15 |
Correct |
131 ms |
36948 KB |
Output is correct |
16 |
Correct |
3 ms |
7512 KB |
Output is correct |
17 |
Correct |
3 ms |
7516 KB |
Output is correct |
18 |
Correct |
4 ms |
7516 KB |
Output is correct |
19 |
Correct |
3 ms |
7516 KB |
Output is correct |
20 |
Correct |
4 ms |
7512 KB |
Output is correct |
21 |
Correct |
3 ms |
7516 KB |
Output is correct |
22 |
Correct |
3 ms |
7404 KB |
Output is correct |
23 |
Correct |
3 ms |
7516 KB |
Output is correct |
24 |
Correct |
3 ms |
7260 KB |
Output is correct |
25 |
Correct |
3 ms |
7260 KB |
Output is correct |