#include "bits/stdc++.h"
#define int long long
using namespace std;
const int MAXN = 4e5 + 10;
int n;
vector<pair<int,int>> adj[MAXN];
int ans[MAXN];
set<pair<pair<int,int>, int> > st;
void dfs0(int node, int prv) {
for(auto x: adj[node]) {
if(x.first != prv) {
st.insert({{node, x.first}, x.second});
dfs0(x.first, node);
}
}
}
int all;
void solve(int tc) {
cin >> n;
for(int i=0; i<=n; i++) ans[i] = 1e18;
for(int u=1; u<n; u++) {
int a, b, c, d;
cin >> a >> b >> c >> d;
all += c + d;
a--, b--;
adj[a].push_back({b, d});
adj[b].push_back({a, c});
}
for(int i=0; i<(1<<n); i++) {
st.clear();
for(int j=0; j<n; j++) {
if(i & (1<<j)) {
dfs0(j, -1);
}
}
int done = 0;
for(auto x: st) done += x.second;
int pc=__builtin_popcount(i);
ans[pc] = min(ans[pc], all - done);
}
int q;
cin >> q;
while(q--) {
int e;
cin >> e;
cout << ans[e] << '\n';
}
}
int32_t main() {
ios::sync_with_stdio(0);
cin.tie(0);
int t=1; //cin>>t;
for(int i=1; i<=t; i++) solve(i);
}
/*
g++ T2441.cpp -std=c++17 -O2 -o T2441
./T2441 < input.txt
*/
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
10584 KB |
Output is correct |
2 |
Correct |
236 ms |
10740 KB |
Output is correct |
3 |
Correct |
228 ms |
10740 KB |
Output is correct |
4 |
Correct |
216 ms |
10744 KB |
Output is correct |
5 |
Correct |
229 ms |
10588 KB |
Output is correct |
6 |
Correct |
237 ms |
10584 KB |
Output is correct |
7 |
Correct |
222 ms |
10748 KB |
Output is correct |
8 |
Correct |
231 ms |
10736 KB |
Output is correct |
9 |
Correct |
207 ms |
10584 KB |
Output is correct |
10 |
Correct |
220 ms |
10736 KB |
Output is correct |
11 |
Correct |
180 ms |
10740 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
10584 KB |
Output is correct |
2 |
Incorrect |
122 ms |
28756 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
10588 KB |
Output is correct |
2 |
Incorrect |
109 ms |
28668 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
10584 KB |
Output is correct |
2 |
Correct |
236 ms |
10740 KB |
Output is correct |
3 |
Correct |
228 ms |
10740 KB |
Output is correct |
4 |
Correct |
216 ms |
10744 KB |
Output is correct |
5 |
Correct |
229 ms |
10588 KB |
Output is correct |
6 |
Correct |
237 ms |
10584 KB |
Output is correct |
7 |
Correct |
222 ms |
10748 KB |
Output is correct |
8 |
Correct |
231 ms |
10736 KB |
Output is correct |
9 |
Correct |
207 ms |
10584 KB |
Output is correct |
10 |
Correct |
220 ms |
10736 KB |
Output is correct |
11 |
Correct |
180 ms |
10740 KB |
Output is correct |
12 |
Correct |
4 ms |
10584 KB |
Output is correct |
13 |
Execution timed out |
2061 ms |
11100 KB |
Time limit exceeded |
14 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
10584 KB |
Output is correct |
2 |
Incorrect |
122 ms |
28756 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
10584 KB |
Output is correct |
2 |
Correct |
236 ms |
10740 KB |
Output is correct |
3 |
Correct |
228 ms |
10740 KB |
Output is correct |
4 |
Correct |
216 ms |
10744 KB |
Output is correct |
5 |
Correct |
229 ms |
10588 KB |
Output is correct |
6 |
Correct |
237 ms |
10584 KB |
Output is correct |
7 |
Correct |
222 ms |
10748 KB |
Output is correct |
8 |
Correct |
231 ms |
10736 KB |
Output is correct |
9 |
Correct |
207 ms |
10584 KB |
Output is correct |
10 |
Correct |
220 ms |
10736 KB |
Output is correct |
11 |
Correct |
180 ms |
10740 KB |
Output is correct |
12 |
Correct |
3 ms |
10584 KB |
Output is correct |
13 |
Incorrect |
122 ms |
28756 KB |
Output isn't correct |
14 |
Halted |
0 ms |
0 KB |
- |