#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using vi = vector<int>;
using vvi = vector<vi>;
using vl = vector<ll>;
using vvl = vector<vl>;
using vb = vector<bool>;
using vvb = vector<vb>;
using vc = vector<char>;
using vvc = vector<vc>;
#define fast ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define pb push_back
void setIO()
{
fast;
}
int n = 3e5 + 5,m = 3e5 + 5,k = 5;
vvi adj(n);
vi col(n);
vvl dp(n,vl(1<<k));
vvb vis(n,vb(1<<k));
void dfs(int u,int mask)
{
int mask2 = mask | (1<<col[u]);
dp[u][mask] = 1;
vis[u][mask] = 1;
for (int v:adj[u]){
if ((mask2 & (1<<col[v])))continue;
if (!vis[v][mask2])dfs(v,mask2);
dp[u][mask] += dp[v][mask2];
}
}
int main()
{
setIO();
cin>>n>>m>>k;
for (int i = 1;i<=n;i++){cin>>col[i];col[i]--;}
while (m--){
int u,v;
cin>>u>>v;
adj[u].pb(v),adj[v].pb(u);
}
ll ans = 0;
for (int i = 1;i<=n;i++){
for (int mask = 0;mask < (1<<k);mask++){
if (mask & (1<<col[i]))continue;
dfs(i,mask);
if (mask == 0)ans += dp[i][0] - 1;
}
}
cout<<ans;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
117 ms |
116552 KB |
Output is correct |
2 |
Correct |
127 ms |
116540 KB |
Output is correct |
3 |
Correct |
116 ms |
116460 KB |
Output is correct |
4 |
Correct |
119 ms |
116552 KB |
Output is correct |
5 |
Correct |
116 ms |
116488 KB |
Output is correct |
6 |
Correct |
113 ms |
116452 KB |
Output is correct |
7 |
Correct |
119 ms |
116636 KB |
Output is correct |
8 |
Correct |
115 ms |
116496 KB |
Output is correct |
9 |
Correct |
116 ms |
116616 KB |
Output is correct |
10 |
Correct |
114 ms |
116500 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
211 ms |
120208 KB |
Output is correct |
2 |
Correct |
200 ms |
122308 KB |
Output is correct |
3 |
Correct |
537 ms |
129404 KB |
Output is correct |
4 |
Correct |
263 ms |
124268 KB |
Output is correct |
5 |
Correct |
216 ms |
124212 KB |
Output is correct |
6 |
Correct |
449 ms |
127760 KB |
Output is correct |
7 |
Correct |
523 ms |
129400 KB |
Output is correct |
8 |
Correct |
514 ms |
130228 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
117 ms |
116552 KB |
Output is correct |
2 |
Correct |
127 ms |
116540 KB |
Output is correct |
3 |
Correct |
116 ms |
116460 KB |
Output is correct |
4 |
Correct |
119 ms |
116552 KB |
Output is correct |
5 |
Correct |
116 ms |
116488 KB |
Output is correct |
6 |
Correct |
113 ms |
116452 KB |
Output is correct |
7 |
Correct |
119 ms |
116636 KB |
Output is correct |
8 |
Correct |
115 ms |
116496 KB |
Output is correct |
9 |
Correct |
116 ms |
116616 KB |
Output is correct |
10 |
Correct |
114 ms |
116500 KB |
Output is correct |
11 |
Correct |
211 ms |
120208 KB |
Output is correct |
12 |
Correct |
200 ms |
122308 KB |
Output is correct |
13 |
Correct |
537 ms |
129404 KB |
Output is correct |
14 |
Correct |
263 ms |
124268 KB |
Output is correct |
15 |
Correct |
216 ms |
124212 KB |
Output is correct |
16 |
Correct |
449 ms |
127760 KB |
Output is correct |
17 |
Correct |
523 ms |
129400 KB |
Output is correct |
18 |
Correct |
514 ms |
130228 KB |
Output is correct |
19 |
Correct |
216 ms |
122928 KB |
Output is correct |
20 |
Correct |
203 ms |
122416 KB |
Output is correct |
21 |
Correct |
537 ms |
129408 KB |
Output is correct |
22 |
Correct |
244 ms |
124284 KB |
Output is correct |
23 |
Correct |
223 ms |
124292 KB |
Output is correct |
24 |
Correct |
442 ms |
127756 KB |
Output is correct |
25 |
Correct |
549 ms |
129480 KB |
Output is correct |
26 |
Correct |
527 ms |
130244 KB |
Output is correct |
27 |
Correct |
238 ms |
122304 KB |
Output is correct |
28 |
Correct |
274 ms |
123792 KB |
Output is correct |
29 |
Correct |
668 ms |
129396 KB |
Output is correct |
30 |
Correct |
585 ms |
126420 KB |
Output is correct |
31 |
Correct |
589 ms |
126352 KB |
Output is correct |
32 |
Correct |
653 ms |
129412 KB |
Output is correct |
33 |
Correct |
119 ms |
116512 KB |
Output is correct |
34 |
Correct |
137 ms |
116548 KB |
Output is correct |
35 |
Correct |
118 ms |
116520 KB |
Output is correct |
36 |
Correct |
118 ms |
116548 KB |
Output is correct |
37 |
Correct |
117 ms |
116496 KB |
Output is correct |
38 |
Correct |
118 ms |
116552 KB |
Output is correct |
39 |
Correct |
124 ms |
116484 KB |
Output is correct |
40 |
Correct |
118 ms |
116464 KB |
Output is correct |
41 |
Correct |
119 ms |
116456 KB |
Output is correct |
42 |
Correct |
118 ms |
116488 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
132 ms |
116464 KB |
Output is correct |
2 |
Correct |
177 ms |
117624 KB |
Output is correct |
3 |
Correct |
143 ms |
118340 KB |
Output is correct |
4 |
Correct |
220 ms |
120824 KB |
Output is correct |
5 |
Correct |
208 ms |
121356 KB |
Output is correct |
6 |
Correct |
302 ms |
120572 KB |
Output is correct |
7 |
Correct |
155 ms |
118296 KB |
Output is correct |
8 |
Correct |
248 ms |
120660 KB |
Output is correct |
9 |
Correct |
257 ms |
121412 KB |
Output is correct |
10 |
Correct |
277 ms |
121496 KB |
Output is correct |
11 |
Correct |
343 ms |
119392 KB |
Output is correct |
12 |
Correct |
311 ms |
120680 KB |
Output is correct |
13 |
Correct |
323 ms |
119692 KB |
Output is correct |
14 |
Correct |
317 ms |
120688 KB |
Output is correct |
15 |
Correct |
291 ms |
120788 KB |
Output is correct |
16 |
Correct |
119 ms |
116532 KB |
Output is correct |
17 |
Correct |
122 ms |
116524 KB |
Output is correct |
18 |
Correct |
125 ms |
116620 KB |
Output is correct |
19 |
Correct |
119 ms |
116496 KB |
Output is correct |
20 |
Correct |
121 ms |
116548 KB |
Output is correct |
21 |
Correct |
120 ms |
116480 KB |
Output is correct |
22 |
Correct |
143 ms |
116496 KB |
Output is correct |
23 |
Correct |
129 ms |
116548 KB |
Output is correct |
24 |
Correct |
118 ms |
116528 KB |
Output is correct |
25 |
Correct |
117 ms |
116548 KB |
Output is correct |