#include <bits/stdc++.h>
using namespace std;
#define int long long
#define pb push_back
#define sz(a) (int)a.size()
const int mxN = (int)1e5+10;
int n, q, ans[mxN];
vector<array<int,2>> adj[mxN], tadj[mxN];
void rem(int s, int p){
for(auto &[u,c] : adj[s]){
if(u==p) continue;
c = 0; rem(u,s);
}
}
int32_t main()
{
cin >> n; int tot = 0;
memset(ans,63,sizeof(ans));
for(int i = 0; i < n-1; i++){
int a, b, c, d;
cin >> a >> b >> c >> d;
a--,b--,swap(c,d); tot+=c+d;
adj[a].pb({b,c}); adj[b].pb({a,d});
tadj[a].pb({b,c}); tadj[b].pb({a,d});
}
for(int mask = 0; mask < (1<<n); mask++){
int sum = 0;
for(int i = 0; i < n; i++){
adj[i].clear();
for(auto u : tadj[i]) adj[i].pb(u);
}
for(int i = 0; i < n; i++)
if((mask>>i)&1) rem(i,-1);
for(int i = 0; i < n; i++)
for(auto [b,c] : adj[i]) sum+=c;
int x = __builtin_popcountll(mask);
ans[x] = min(ans[x], sum);
}
cin >> q;
while(q--){ int x; cin >> x,cout << ans[x] << "\n";}
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
5780 KB |
Output is correct |
2 |
Correct |
40 ms |
5716 KB |
Output is correct |
3 |
Correct |
52 ms |
5776 KB |
Output is correct |
4 |
Correct |
38 ms |
5716 KB |
Output is correct |
5 |
Correct |
39 ms |
5716 KB |
Output is correct |
6 |
Correct |
39 ms |
5716 KB |
Output is correct |
7 |
Correct |
45 ms |
5760 KB |
Output is correct |
8 |
Correct |
39 ms |
5716 KB |
Output is correct |
9 |
Correct |
36 ms |
5780 KB |
Output is correct |
10 |
Correct |
44 ms |
5772 KB |
Output is correct |
11 |
Correct |
35 ms |
5716 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
5716 KB |
Output is correct |
2 |
Runtime error |
7 ms |
11524 KB |
Execution killed with signal 11 |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
5716 KB |
Output is correct |
2 |
Runtime error |
7 ms |
11548 KB |
Execution killed with signal 11 |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
5780 KB |
Output is correct |
2 |
Correct |
40 ms |
5716 KB |
Output is correct |
3 |
Correct |
52 ms |
5776 KB |
Output is correct |
4 |
Correct |
38 ms |
5716 KB |
Output is correct |
5 |
Correct |
39 ms |
5716 KB |
Output is correct |
6 |
Correct |
39 ms |
5716 KB |
Output is correct |
7 |
Correct |
45 ms |
5760 KB |
Output is correct |
8 |
Correct |
39 ms |
5716 KB |
Output is correct |
9 |
Correct |
36 ms |
5780 KB |
Output is correct |
10 |
Correct |
44 ms |
5772 KB |
Output is correct |
11 |
Correct |
35 ms |
5716 KB |
Output is correct |
12 |
Correct |
3 ms |
5716 KB |
Output is correct |
13 |
Execution timed out |
2078 ms |
6100 KB |
Time limit exceeded |
14 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
5716 KB |
Output is correct |
2 |
Runtime error |
7 ms |
11524 KB |
Execution killed with signal 11 |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
5780 KB |
Output is correct |
2 |
Correct |
40 ms |
5716 KB |
Output is correct |
3 |
Correct |
52 ms |
5776 KB |
Output is correct |
4 |
Correct |
38 ms |
5716 KB |
Output is correct |
5 |
Correct |
39 ms |
5716 KB |
Output is correct |
6 |
Correct |
39 ms |
5716 KB |
Output is correct |
7 |
Correct |
45 ms |
5760 KB |
Output is correct |
8 |
Correct |
39 ms |
5716 KB |
Output is correct |
9 |
Correct |
36 ms |
5780 KB |
Output is correct |
10 |
Correct |
44 ms |
5772 KB |
Output is correct |
11 |
Correct |
35 ms |
5716 KB |
Output is correct |
12 |
Correct |
3 ms |
5716 KB |
Output is correct |
13 |
Runtime error |
7 ms |
11524 KB |
Execution killed with signal 11 |
14 |
Halted |
0 ms |
0 KB |
- |