#include <bits/stdc++.h>
using namespace std;
const int maxn = 3e5+10, maxl = 1<<5 - 1;
int c[maxn];
vector<int> grafo[maxn];
long long dp[maxn][maxl];
long long solve(int u, int mask){
if(dp[u][mask] != -1) return dp[u][mask];
long long tot = 1;
for(int v : grafo[u]) if(!(mask&c[v])) tot += solve(v, mask^c[v]);
return dp[u][mask] = tot;
}
int main(){
ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
int n, m, k;
cin >> n >> m >> k;
for(int i=1; i<=n; i++){
cin >> c[i];
c[i] = (1<<(c[i]-1));
}
for(int i=1; i<=m; i++){
int u, v;
cin >> u >> v;
grafo[u].push_back(v);
grafo[v].push_back(u);
}
long long ans = 0;
memset(dp, -1, sizeof dp);
for(int i=1; i<=n; i++) ans += solve(i, c[i]);
cout << ans - n << "\n";
return 0;
}
Compilation message
paths.cpp:4:38: warning: suggest parentheses around '-' inside '<<' [-Wparentheses]
4 | const int maxn = 3e5+10, maxl = 1<<5 - 1;
| ~~^~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
17 ms |
44876 KB |
Output is correct |
| 2 |
Correct |
24 ms |
44912 KB |
Output is correct |
| 3 |
Correct |
19 ms |
44876 KB |
Output is correct |
| 4 |
Correct |
23 ms |
44896 KB |
Output is correct |
| 5 |
Correct |
18 ms |
44876 KB |
Output is correct |
| 6 |
Correct |
19 ms |
44880 KB |
Output is correct |
| 7 |
Correct |
19 ms |
44876 KB |
Output is correct |
| 8 |
Correct |
18 ms |
44880 KB |
Output is correct |
| 9 |
Correct |
18 ms |
44876 KB |
Output is correct |
| 10 |
Correct |
19 ms |
44836 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
89 ms |
48508 KB |
Output is correct |
| 2 |
Correct |
68 ms |
48488 KB |
Output is correct |
| 3 |
Correct |
277 ms |
57152 KB |
Output is correct |
| 4 |
Correct |
146 ms |
52476 KB |
Output is correct |
| 5 |
Correct |
93 ms |
52524 KB |
Output is correct |
| 6 |
Correct |
186 ms |
55812 KB |
Output is correct |
| 7 |
Correct |
288 ms |
57504 KB |
Output is correct |
| 8 |
Correct |
283 ms |
58116 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
17 ms |
44876 KB |
Output is correct |
| 2 |
Correct |
24 ms |
44912 KB |
Output is correct |
| 3 |
Correct |
19 ms |
44876 KB |
Output is correct |
| 4 |
Correct |
23 ms |
44896 KB |
Output is correct |
| 5 |
Correct |
18 ms |
44876 KB |
Output is correct |
| 6 |
Correct |
19 ms |
44880 KB |
Output is correct |
| 7 |
Correct |
19 ms |
44876 KB |
Output is correct |
| 8 |
Correct |
18 ms |
44880 KB |
Output is correct |
| 9 |
Correct |
18 ms |
44876 KB |
Output is correct |
| 10 |
Correct |
19 ms |
44836 KB |
Output is correct |
| 11 |
Correct |
89 ms |
48508 KB |
Output is correct |
| 12 |
Correct |
68 ms |
48488 KB |
Output is correct |
| 13 |
Correct |
277 ms |
57152 KB |
Output is correct |
| 14 |
Correct |
146 ms |
52476 KB |
Output is correct |
| 15 |
Correct |
93 ms |
52524 KB |
Output is correct |
| 16 |
Correct |
186 ms |
55812 KB |
Output is correct |
| 17 |
Correct |
288 ms |
57504 KB |
Output is correct |
| 18 |
Correct |
283 ms |
58116 KB |
Output is correct |
| 19 |
Correct |
88 ms |
51312 KB |
Output is correct |
| 20 |
Correct |
67 ms |
50704 KB |
Output is correct |
| 21 |
Correct |
289 ms |
57548 KB |
Output is correct |
| 22 |
Correct |
105 ms |
52444 KB |
Output is correct |
| 23 |
Correct |
101 ms |
52512 KB |
Output is correct |
| 24 |
Correct |
199 ms |
55920 KB |
Output is correct |
| 25 |
Correct |
319 ms |
57408 KB |
Output is correct |
| 26 |
Correct |
251 ms |
58128 KB |
Output is correct |
| 27 |
Correct |
84 ms |
50780 KB |
Output is correct |
| 28 |
Correct |
108 ms |
52176 KB |
Output is correct |
| 29 |
Correct |
328 ms |
57284 KB |
Output is correct |
| 30 |
Correct |
274 ms |
54208 KB |
Output is correct |
| 31 |
Correct |
290 ms |
54324 KB |
Output is correct |
| 32 |
Correct |
294 ms |
57352 KB |
Output is correct |
| 33 |
Correct |
19 ms |
44864 KB |
Output is correct |
| 34 |
Correct |
18 ms |
44872 KB |
Output is correct |
| 35 |
Correct |
17 ms |
44868 KB |
Output is correct |
| 36 |
Correct |
18 ms |
44876 KB |
Output is correct |
| 37 |
Correct |
20 ms |
44996 KB |
Output is correct |
| 38 |
Correct |
23 ms |
44836 KB |
Output is correct |
| 39 |
Correct |
19 ms |
44868 KB |
Output is correct |
| 40 |
Correct |
25 ms |
44872 KB |
Output is correct |
| 41 |
Correct |
18 ms |
44916 KB |
Output is correct |
| 42 |
Correct |
18 ms |
44940 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
17 ms |
44932 KB |
Output is correct |
| 2 |
Incorrect |
42 ms |
46020 KB |
Output isn't correct |
| 3 |
Halted |
0 ms |
0 KB |
- |
