//18:08
#include <bits/stdc++.h>
#define int long long
using namespace std;
signed main(){
ios_base::sync_with_stdio(0);
cin.tie(nullptr);
int n,m,k;
cin>>n>>m>>k;
vector<int> adj[n+1],color(n+1);
for(int i=1;i<=n;i++) cin>>color[i],color[i]--;
while(m--){
int a,b;
cin>>a>>b;
adj[a].push_back(b);
adj[b].push_back(a);
}
int B=(1LL<<k);
vector<vector<int>> dp(B,vector<int>(n+1,-1));
for(auto&x:dp) for(int&y:x) y=-1;
function<int(int,int)> dfs=[&](int mask,int a){
if(dp[mask][a]!=-1) return dp[mask][a];
int answer=1;
for(int&x:adj[a]){
if(((1LL<<color[x])&mask)==0){
answer+=dfs((1LL<<color[x])|mask,x);
}
}
return dp[mask][a]=answer;
};
int answer=0;
for(int i=1;i<=n;i++) answer+=dfs((1LL<<color[i]),i);
cout<<answer-n;
return 0;
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
212 KB |
Output is correct |
| 2 |
Correct |
0 ms |
340 KB |
Output is correct |
| 3 |
Correct |
0 ms |
212 KB |
Output is correct |
| 4 |
Correct |
1 ms |
212 KB |
Output is correct |
| 5 |
Correct |
0 ms |
212 KB |
Output is correct |
| 6 |
Correct |
0 ms |
340 KB |
Output is correct |
| 7 |
Correct |
1 ms |
340 KB |
Output is correct |
| 8 |
Correct |
0 ms |
340 KB |
Output is correct |
| 9 |
Correct |
0 ms |
212 KB |
Output is correct |
| 10 |
Correct |
0 ms |
212 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
76 ms |
10780 KB |
Output is correct |
| 2 |
Correct |
59 ms |
9616 KB |
Output is correct |
| 3 |
Correct |
327 ms |
45784 KB |
Output is correct |
| 4 |
Correct |
92 ms |
13820 KB |
Output is correct |
| 5 |
Correct |
88 ms |
13388 KB |
Output is correct |
| 6 |
Correct |
218 ms |
33560 KB |
Output is correct |
| 7 |
Correct |
303 ms |
45920 KB |
Output is correct |
| 8 |
Correct |
308 ms |
46372 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
0 ms |
212 KB |
Output is correct |
| 2 |
Correct |
0 ms |
340 KB |
Output is correct |
| 3 |
Correct |
0 ms |
212 KB |
Output is correct |
| 4 |
Correct |
1 ms |
212 KB |
Output is correct |
| 5 |
Correct |
0 ms |
212 KB |
Output is correct |
| 6 |
Correct |
0 ms |
340 KB |
Output is correct |
| 7 |
Correct |
1 ms |
340 KB |
Output is correct |
| 8 |
Correct |
0 ms |
340 KB |
Output is correct |
| 9 |
Correct |
0 ms |
212 KB |
Output is correct |
| 10 |
Correct |
0 ms |
212 KB |
Output is correct |
| 11 |
Correct |
76 ms |
10780 KB |
Output is correct |
| 12 |
Correct |
59 ms |
9616 KB |
Output is correct |
| 13 |
Correct |
327 ms |
45784 KB |
Output is correct |
| 14 |
Correct |
92 ms |
13820 KB |
Output is correct |
| 15 |
Correct |
88 ms |
13388 KB |
Output is correct |
| 16 |
Correct |
218 ms |
33560 KB |
Output is correct |
| 17 |
Correct |
303 ms |
45920 KB |
Output is correct |
| 18 |
Correct |
308 ms |
46372 KB |
Output is correct |
| 19 |
Correct |
76 ms |
10776 KB |
Output is correct |
| 20 |
Correct |
57 ms |
9696 KB |
Output is correct |
| 21 |
Correct |
312 ms |
45836 KB |
Output is correct |
| 22 |
Correct |
121 ms |
13920 KB |
Output is correct |
| 23 |
Correct |
94 ms |
13424 KB |
Output is correct |
| 24 |
Correct |
207 ms |
33624 KB |
Output is correct |
| 25 |
Correct |
317 ms |
45732 KB |
Output is correct |
| 26 |
Correct |
332 ms |
46384 KB |
Output is correct |
| 27 |
Correct |
73 ms |
9680 KB |
Output is correct |
| 28 |
Correct |
98 ms |
13140 KB |
Output is correct |
| 29 |
Correct |
407 ms |
64612 KB |
Output is correct |
| 30 |
Correct |
282 ms |
37608 KB |
Output is correct |
| 31 |
Correct |
307 ms |
37708 KB |
Output is correct |
| 32 |
Correct |
380 ms |
64612 KB |
Output is correct |
| 33 |
Correct |
0 ms |
212 KB |
Output is correct |
| 34 |
Correct |
0 ms |
340 KB |
Output is correct |
| 35 |
Correct |
0 ms |
212 KB |
Output is correct |
| 36 |
Correct |
0 ms |
324 KB |
Output is correct |
| 37 |
Correct |
0 ms |
320 KB |
Output is correct |
| 38 |
Correct |
0 ms |
340 KB |
Output is correct |
| 39 |
Correct |
0 ms |
212 KB |
Output is correct |
| 40 |
Correct |
1 ms |
340 KB |
Output is correct |
| 41 |
Correct |
0 ms |
320 KB |
Output is correct |
| 42 |
Correct |
0 ms |
320 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
212 KB |
Output is correct |
| 2 |
Correct |
46 ms |
3272 KB |
Output is correct |
| 3 |
Correct |
26 ms |
3240 KB |
Output is correct |
| 4 |
Correct |
65 ms |
15332 KB |
Output is correct |
| 5 |
Correct |
45 ms |
15684 KB |
Output is correct |
| 6 |
Correct |
106 ms |
34220 KB |
Output is correct |
| 7 |
Correct |
36 ms |
3276 KB |
Output is correct |
| 8 |
Correct |
88 ms |
21576 KB |
Output is correct |
| 9 |
Correct |
54 ms |
21976 KB |
Output is correct |
| 10 |
Correct |
64 ms |
21712 KB |
Output is correct |
| 11 |
Correct |
90 ms |
18604 KB |
Output is correct |
| 12 |
Correct |
58 ms |
26528 KB |
Output is correct |
| 13 |
Correct |
107 ms |
18612 KB |
Output is correct |
| 14 |
Correct |
104 ms |
34188 KB |
Output is correct |
| 15 |
Correct |
96 ms |
34252 KB |
Output is correct |
| 16 |
Correct |
1 ms |
320 KB |
Output is correct |
| 17 |
Correct |
1 ms |
324 KB |
Output is correct |
| 18 |
Correct |
1 ms |
212 KB |
Output is correct |
| 19 |
Correct |
1 ms |
212 KB |
Output is correct |
| 20 |
Correct |
0 ms |
212 KB |
Output is correct |
| 21 |
Correct |
0 ms |
340 KB |
Output is correct |
| 22 |
Correct |
1 ms |
212 KB |
Output is correct |
| 23 |
Correct |
1 ms |
340 KB |
Output is correct |
| 24 |
Correct |
0 ms |
212 KB |
Output is correct |
| 25 |
Correct |
0 ms |
212 KB |
Output is correct |
