#include <bits/stdc++.h>
#define rep(i,x,n) for(decltype(n) i=x; i<n; i++)
using namespace std;
using pq=priority_queue<long>;
int main() {
ios_base::sync_with_stdio(false);cin.tie(nullptr);
int N, M; long r=0;
cin>>N>>M;
vector<int> W(N+M);
vector<vector<int>> G(N);
rep(i, 1, N+M) {
int j;
cin>>j>>W[i];
G[j-1].push_back(i);
r+=W[i];
}
function<pq(int)> f=[&](int i) {
pq q;
if(i<N) {
for(int j:G[i]) {
pq p=f(j);
if(q.size()<p.size()) swap(q, p);
while(p.size()) q.push(p.top()), p.pop();
}
rep(j, 1, G[i].size()) q.pop();
long x=q.top()+W[i]; q.pop();
long y=q.top()+W[i]; q.pop();
q.push(x), q.push(y);
} else q.push(W[i]), q.push(W[i]);
return q;
};
auto q=f(0);
long p=q.top(), k=0; q.pop();
while(q.size())
r-=k++*(p-q.top()), p=q.top(), q.pop();
cout<<r-k*p;
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
5 ms |
376 KB |
Output is correct |
| 2 |
Correct |
5 ms |
376 KB |
Output is correct |
| 3 |
Correct |
5 ms |
376 KB |
Output is correct |
| 4 |
Correct |
5 ms |
376 KB |
Output is correct |
| 5 |
Correct |
5 ms |
376 KB |
Output is correct |
| 6 |
Correct |
5 ms |
376 KB |
Output is correct |
| 7 |
Correct |
5 ms |
376 KB |
Output is correct |
| 8 |
Correct |
5 ms |
376 KB |
Output is correct |
| 9 |
Correct |
5 ms |
376 KB |
Output is correct |
| 10 |
Correct |
5 ms |
376 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
5 ms |
376 KB |
Output is correct |
| 2 |
Correct |
5 ms |
376 KB |
Output is correct |
| 3 |
Correct |
5 ms |
376 KB |
Output is correct |
| 4 |
Correct |
5 ms |
376 KB |
Output is correct |
| 5 |
Correct |
5 ms |
376 KB |
Output is correct |
| 6 |
Correct |
5 ms |
376 KB |
Output is correct |
| 7 |
Correct |
5 ms |
380 KB |
Output is correct |
| 8 |
Correct |
5 ms |
376 KB |
Output is correct |
| 9 |
Correct |
5 ms |
376 KB |
Output is correct |
| 10 |
Correct |
5 ms |
376 KB |
Output is correct |
| 11 |
Correct |
5 ms |
376 KB |
Output is correct |
| 12 |
Correct |
5 ms |
376 KB |
Output is correct |
| 13 |
Correct |
5 ms |
376 KB |
Output is correct |
| 14 |
Correct |
5 ms |
376 KB |
Output is correct |
| 15 |
Correct |
5 ms |
376 KB |
Output is correct |
| 16 |
Correct |
5 ms |
380 KB |
Output is correct |
| 17 |
Correct |
5 ms |
376 KB |
Output is correct |
| 18 |
Correct |
5 ms |
380 KB |
Output is correct |
| 19 |
Correct |
5 ms |
376 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
5 ms |
376 KB |
Output is correct |
| 2 |
Correct |
5 ms |
376 KB |
Output is correct |
| 3 |
Correct |
5 ms |
376 KB |
Output is correct |
| 4 |
Correct |
5 ms |
376 KB |
Output is correct |
| 5 |
Correct |
5 ms |
376 KB |
Output is correct |
| 6 |
Correct |
5 ms |
376 KB |
Output is correct |
| 7 |
Correct |
5 ms |
376 KB |
Output is correct |
| 8 |
Correct |
5 ms |
376 KB |
Output is correct |
| 9 |
Correct |
5 ms |
376 KB |
Output is correct |
| 10 |
Correct |
5 ms |
376 KB |
Output is correct |
| 11 |
Correct |
5 ms |
376 KB |
Output is correct |
| 12 |
Correct |
5 ms |
376 KB |
Output is correct |
| 13 |
Correct |
5 ms |
376 KB |
Output is correct |
| 14 |
Correct |
5 ms |
376 KB |
Output is correct |
| 15 |
Correct |
5 ms |
376 KB |
Output is correct |
| 16 |
Correct |
5 ms |
376 KB |
Output is correct |
| 17 |
Correct |
5 ms |
380 KB |
Output is correct |
| 18 |
Correct |
5 ms |
376 KB |
Output is correct |
| 19 |
Correct |
5 ms |
376 KB |
Output is correct |
| 20 |
Correct |
5 ms |
376 KB |
Output is correct |
| 21 |
Correct |
5 ms |
376 KB |
Output is correct |
| 22 |
Correct |
5 ms |
376 KB |
Output is correct |
| 23 |
Correct |
5 ms |
376 KB |
Output is correct |
| 24 |
Correct |
5 ms |
376 KB |
Output is correct |
| 25 |
Correct |
5 ms |
376 KB |
Output is correct |
| 26 |
Correct |
5 ms |
380 KB |
Output is correct |
| 27 |
Correct |
5 ms |
376 KB |
Output is correct |
| 28 |
Correct |
5 ms |
380 KB |
Output is correct |
| 29 |
Correct |
5 ms |
376 KB |
Output is correct |
| 30 |
Correct |
5 ms |
376 KB |
Output is correct |
| 31 |
Correct |
5 ms |
376 KB |
Output is correct |
| 32 |
Correct |
6 ms |
376 KB |
Output is correct |
| 33 |
Correct |
6 ms |
504 KB |
Output is correct |
| 34 |
Correct |
7 ms |
504 KB |
Output is correct |
| 35 |
Correct |
7 ms |
632 KB |
Output is correct |
| 36 |
Correct |
7 ms |
632 KB |
Output is correct |
| 37 |
Correct |
7 ms |
632 KB |
Output is correct |
| 38 |
Correct |
8 ms |
632 KB |
Output is correct |
| 39 |
Correct |
8 ms |
632 KB |
Output is correct |
| 40 |
Correct |
7 ms |
1272 KB |
Output is correct |
| 41 |
Correct |
7 ms |
1272 KB |
Output is correct |
| 42 |
Correct |
7 ms |
760 KB |
Output is correct |
| 43 |
Correct |
9 ms |
1016 KB |
Output is correct |
| 44 |
Correct |
8 ms |
760 KB |
Output is correct |
| 45 |
Correct |
8 ms |
764 KB |
Output is correct |
| 46 |
Correct |
8 ms |
504 KB |
Output is correct |
| 47 |
Correct |
8 ms |
504 KB |
Output is correct |
| 48 |
Correct |
8 ms |
504 KB |
Output is correct |
| 49 |
Correct |
8 ms |
504 KB |
Output is correct |
| 50 |
Correct |
7 ms |
632 KB |
Output is correct |
| 51 |
Correct |
7 ms |
504 KB |
Output is correct |
| 52 |
Correct |
8 ms |
504 KB |
Output is correct |
| 53 |
Correct |
8 ms |
504 KB |
Output is correct |
| 54 |
Correct |
8 ms |
680 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
5 ms |
376 KB |
Output is correct |
| 2 |
Correct |
5 ms |
376 KB |
Output is correct |
| 3 |
Correct |
5 ms |
376 KB |
Output is correct |
| 4 |
Correct |
5 ms |
376 KB |
Output is correct |
| 5 |
Correct |
5 ms |
376 KB |
Output is correct |
| 6 |
Correct |
5 ms |
376 KB |
Output is correct |
| 7 |
Correct |
5 ms |
376 KB |
Output is correct |
| 8 |
Correct |
5 ms |
376 KB |
Output is correct |
| 9 |
Correct |
5 ms |
376 KB |
Output is correct |
| 10 |
Correct |
5 ms |
376 KB |
Output is correct |
| 11 |
Correct |
5 ms |
376 KB |
Output is correct |
| 12 |
Correct |
5 ms |
376 KB |
Output is correct |
| 13 |
Correct |
5 ms |
376 KB |
Output is correct |
| 14 |
Correct |
5 ms |
376 KB |
Output is correct |
| 15 |
Correct |
5 ms |
376 KB |
Output is correct |
| 16 |
Correct |
5 ms |
376 KB |
Output is correct |
| 17 |
Correct |
5 ms |
380 KB |
Output is correct |
| 18 |
Correct |
5 ms |
376 KB |
Output is correct |
| 19 |
Correct |
5 ms |
376 KB |
Output is correct |
| 20 |
Correct |
5 ms |
376 KB |
Output is correct |
| 21 |
Correct |
5 ms |
376 KB |
Output is correct |
| 22 |
Correct |
5 ms |
376 KB |
Output is correct |
| 23 |
Correct |
5 ms |
376 KB |
Output is correct |
| 24 |
Correct |
5 ms |
376 KB |
Output is correct |
| 25 |
Correct |
5 ms |
376 KB |
Output is correct |
| 26 |
Correct |
5 ms |
380 KB |
Output is correct |
| 27 |
Correct |
5 ms |
376 KB |
Output is correct |
| 28 |
Correct |
5 ms |
380 KB |
Output is correct |
| 29 |
Correct |
5 ms |
376 KB |
Output is correct |
| 30 |
Correct |
5 ms |
376 KB |
Output is correct |
| 31 |
Correct |
5 ms |
376 KB |
Output is correct |
| 32 |
Correct |
6 ms |
376 KB |
Output is correct |
| 33 |
Correct |
6 ms |
504 KB |
Output is correct |
| 34 |
Correct |
7 ms |
504 KB |
Output is correct |
| 35 |
Correct |
7 ms |
632 KB |
Output is correct |
| 36 |
Correct |
7 ms |
632 KB |
Output is correct |
| 37 |
Correct |
7 ms |
632 KB |
Output is correct |
| 38 |
Correct |
8 ms |
632 KB |
Output is correct |
| 39 |
Correct |
8 ms |
632 KB |
Output is correct |
| 40 |
Correct |
7 ms |
1272 KB |
Output is correct |
| 41 |
Correct |
7 ms |
1272 KB |
Output is correct |
| 42 |
Correct |
7 ms |
760 KB |
Output is correct |
| 43 |
Correct |
9 ms |
1016 KB |
Output is correct |
| 44 |
Correct |
8 ms |
760 KB |
Output is correct |
| 45 |
Correct |
8 ms |
764 KB |
Output is correct |
| 46 |
Correct |
8 ms |
504 KB |
Output is correct |
| 47 |
Correct |
8 ms |
504 KB |
Output is correct |
| 48 |
Correct |
8 ms |
504 KB |
Output is correct |
| 49 |
Correct |
8 ms |
504 KB |
Output is correct |
| 50 |
Correct |
7 ms |
632 KB |
Output is correct |
| 51 |
Correct |
7 ms |
504 KB |
Output is correct |
| 52 |
Correct |
8 ms |
504 KB |
Output is correct |
| 53 |
Correct |
8 ms |
504 KB |
Output is correct |
| 54 |
Correct |
8 ms |
680 KB |
Output is correct |
| 55 |
Correct |
13 ms |
1144 KB |
Output is correct |
| 56 |
Correct |
36 ms |
3448 KB |
Output is correct |
| 57 |
Correct |
67 ms |
5408 KB |
Output is correct |
| 58 |
Correct |
80 ms |
6988 KB |
Output is correct |
| 59 |
Correct |
120 ms |
8980 KB |
Output is correct |
| 60 |
Correct |
146 ms |
11124 KB |
Output is correct |
| 61 |
Correct |
172 ms |
12984 KB |
Output is correct |
| 62 |
Correct |
190 ms |
14048 KB |
Output is correct |
| 63 |
Correct |
245 ms |
16512 KB |
Output is correct |
| 64 |
Correct |
263 ms |
16980 KB |
Output is correct |
| 65 |
Correct |
149 ms |
60408 KB |
Output is correct |
| 66 |
Correct |
146 ms |
60536 KB |
Output is correct |
| 67 |
Correct |
139 ms |
22904 KB |
Output is correct |
| 68 |
Correct |
207 ms |
35436 KB |
Output is correct |
| 69 |
Correct |
233 ms |
32240 KB |
Output is correct |
| 70 |
Correct |
227 ms |
32116 KB |
Output is correct |
| 71 |
Correct |
243 ms |
12204 KB |
Output is correct |
| 72 |
Correct |
245 ms |
12284 KB |
Output is correct |
| 73 |
Correct |
218 ms |
11376 KB |
Output is correct |
| 74 |
Correct |
228 ms |
11356 KB |
Output is correct |
| 75 |
Correct |
219 ms |
11188 KB |
Output is correct |
| 76 |
Correct |
216 ms |
11220 KB |
Output is correct |
| 77 |
Correct |
231 ms |
11984 KB |
Output is correct |
| 78 |
Correct |
223 ms |
11848 KB |
Output is correct |
| 79 |
Correct |
215 ms |
14608 KB |
Output is correct |
