#include <vector>
#include <iostream>
#include <algorithm>
using namespace std;
int N, M, p[300009], c[300009], deg[300009]; vector<long long> v[300009];
int main() {
cin.tie(0);
ios_base::sync_with_stdio(false);
cin >> N >> M;
long long sum = 0;
for (int i = 1; i < N + M; i++) {
cin >> p[i] >> c[i];
deg[--p[i]]++;
sum += c[i];
}
for (int i = N + M - 1; i >= 0; i--) {
if (i >= N) {
v[i].push_back(c[i]);
v[i].push_back(c[i]);
}
else {
sort(v[i].begin(), v[i].end());
for (int j = 0; j < deg[i] - 1; j++) v[i].pop_back();
v[i][v[i].size() - 1] += c[i];
v[i][v[i].size() - 2] += c[i];
}
if (i != 0) {
v[p[i]].insert(v[p[i]].end(), v[i].begin(), v[i].end());
}
}
for (int i = 0; i < v[0].size(); i++) {
sum -= (v[0][i] - (i == 0 ? 0 : v[0][i - 1])) * (v[0].size() - i - 1);
}
cout << sum << '\n';
return 0;
}
Compilation message
fireworks.cpp: In function 'int main()':
fireworks.cpp:31:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for (int i = 0; i < v[0].size(); i++) {
~~^~~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
8 ms |
7416 KB |
Output is correct |
| 2 |
Correct |
7 ms |
7528 KB |
Output is correct |
| 3 |
Correct |
7 ms |
7528 KB |
Output is correct |
| 4 |
Correct |
7 ms |
7528 KB |
Output is correct |
| 5 |
Correct |
7 ms |
7528 KB |
Output is correct |
| 6 |
Correct |
7 ms |
7528 KB |
Output is correct |
| 7 |
Correct |
7 ms |
7532 KB |
Output is correct |
| 8 |
Correct |
7 ms |
7588 KB |
Output is correct |
| 9 |
Correct |
7 ms |
7588 KB |
Output is correct |
| 10 |
Correct |
7 ms |
7588 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
8 ms |
7588 KB |
Output is correct |
| 2 |
Correct |
8 ms |
7588 KB |
Output is correct |
| 3 |
Correct |
7 ms |
7628 KB |
Output is correct |
| 4 |
Correct |
8 ms |
7628 KB |
Output is correct |
| 5 |
Correct |
7 ms |
7628 KB |
Output is correct |
| 6 |
Correct |
8 ms |
7636 KB |
Output is correct |
| 7 |
Correct |
8 ms |
7764 KB |
Output is correct |
| 8 |
Correct |
7 ms |
7764 KB |
Output is correct |
| 9 |
Correct |
8 ms |
7764 KB |
Output is correct |
| 10 |
Correct |
8 ms |
7764 KB |
Output is correct |
| 11 |
Correct |
7 ms |
7764 KB |
Output is correct |
| 12 |
Correct |
7 ms |
7764 KB |
Output is correct |
| 13 |
Correct |
8 ms |
7764 KB |
Output is correct |
| 14 |
Correct |
8 ms |
7764 KB |
Output is correct |
| 15 |
Correct |
7 ms |
7764 KB |
Output is correct |
| 16 |
Correct |
7 ms |
7764 KB |
Output is correct |
| 17 |
Correct |
8 ms |
7764 KB |
Output is correct |
| 18 |
Correct |
8 ms |
7764 KB |
Output is correct |
| 19 |
Correct |
7 ms |
7764 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
8 ms |
7416 KB |
Output is correct |
| 2 |
Correct |
7 ms |
7528 KB |
Output is correct |
| 3 |
Correct |
7 ms |
7528 KB |
Output is correct |
| 4 |
Correct |
7 ms |
7528 KB |
Output is correct |
| 5 |
Correct |
7 ms |
7528 KB |
Output is correct |
| 6 |
Correct |
7 ms |
7528 KB |
Output is correct |
| 7 |
Correct |
7 ms |
7532 KB |
Output is correct |
| 8 |
Correct |
7 ms |
7588 KB |
Output is correct |
| 9 |
Correct |
7 ms |
7588 KB |
Output is correct |
| 10 |
Correct |
7 ms |
7588 KB |
Output is correct |
| 11 |
Correct |
8 ms |
7588 KB |
Output is correct |
| 12 |
Correct |
8 ms |
7588 KB |
Output is correct |
| 13 |
Correct |
7 ms |
7628 KB |
Output is correct |
| 14 |
Correct |
8 ms |
7628 KB |
Output is correct |
| 15 |
Correct |
7 ms |
7628 KB |
Output is correct |
| 16 |
Correct |
8 ms |
7636 KB |
Output is correct |
| 17 |
Correct |
8 ms |
7764 KB |
Output is correct |
| 18 |
Correct |
7 ms |
7764 KB |
Output is correct |
| 19 |
Correct |
8 ms |
7764 KB |
Output is correct |
| 20 |
Correct |
8 ms |
7764 KB |
Output is correct |
| 21 |
Correct |
7 ms |
7764 KB |
Output is correct |
| 22 |
Correct |
7 ms |
7764 KB |
Output is correct |
| 23 |
Correct |
8 ms |
7764 KB |
Output is correct |
| 24 |
Correct |
8 ms |
7764 KB |
Output is correct |
| 25 |
Correct |
7 ms |
7764 KB |
Output is correct |
| 26 |
Correct |
7 ms |
7764 KB |
Output is correct |
| 27 |
Correct |
8 ms |
7764 KB |
Output is correct |
| 28 |
Correct |
8 ms |
7764 KB |
Output is correct |
| 29 |
Correct |
7 ms |
7764 KB |
Output is correct |
| 30 |
Correct |
8 ms |
7764 KB |
Output is correct |
| 31 |
Correct |
9 ms |
7808 KB |
Output is correct |
| 32 |
Correct |
9 ms |
7964 KB |
Output is correct |
| 33 |
Correct |
9 ms |
8060 KB |
Output is correct |
| 34 |
Correct |
10 ms |
8188 KB |
Output is correct |
| 35 |
Correct |
14 ms |
8700 KB |
Output is correct |
| 36 |
Correct |
14 ms |
8700 KB |
Output is correct |
| 37 |
Correct |
13 ms |
8700 KB |
Output is correct |
| 38 |
Correct |
23 ms |
9724 KB |
Output is correct |
| 39 |
Correct |
13 ms |
9724 KB |
Output is correct |
| 40 |
Correct |
9 ms |
9724 KB |
Output is correct |
| 41 |
Correct |
10 ms |
9724 KB |
Output is correct |
| 42 |
Correct |
9 ms |
9724 KB |
Output is correct |
| 43 |
Correct |
238 ms |
32404 KB |
Output is correct |
| 44 |
Correct |
186 ms |
32404 KB |
Output is correct |
| 45 |
Correct |
187 ms |
32404 KB |
Output is correct |
| 46 |
Correct |
10 ms |
32404 KB |
Output is correct |
| 47 |
Correct |
10 ms |
32404 KB |
Output is correct |
| 48 |
Correct |
10 ms |
32404 KB |
Output is correct |
| 49 |
Correct |
10 ms |
32404 KB |
Output is correct |
| 50 |
Correct |
9 ms |
32404 KB |
Output is correct |
| 51 |
Correct |
9 ms |
32404 KB |
Output is correct |
| 52 |
Correct |
13 ms |
32404 KB |
Output is correct |
| 53 |
Correct |
11 ms |
32404 KB |
Output is correct |
| 54 |
Correct |
10 ms |
32404 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
8 ms |
7416 KB |
Output is correct |
| 2 |
Correct |
7 ms |
7528 KB |
Output is correct |
| 3 |
Correct |
7 ms |
7528 KB |
Output is correct |
| 4 |
Correct |
7 ms |
7528 KB |
Output is correct |
| 5 |
Correct |
7 ms |
7528 KB |
Output is correct |
| 6 |
Correct |
7 ms |
7528 KB |
Output is correct |
| 7 |
Correct |
7 ms |
7532 KB |
Output is correct |
| 8 |
Correct |
7 ms |
7588 KB |
Output is correct |
| 9 |
Correct |
7 ms |
7588 KB |
Output is correct |
| 10 |
Correct |
7 ms |
7588 KB |
Output is correct |
| 11 |
Correct |
8 ms |
7588 KB |
Output is correct |
| 12 |
Correct |
8 ms |
7588 KB |
Output is correct |
| 13 |
Correct |
7 ms |
7628 KB |
Output is correct |
| 14 |
Correct |
8 ms |
7628 KB |
Output is correct |
| 15 |
Correct |
7 ms |
7628 KB |
Output is correct |
| 16 |
Correct |
8 ms |
7636 KB |
Output is correct |
| 17 |
Correct |
8 ms |
7764 KB |
Output is correct |
| 18 |
Correct |
7 ms |
7764 KB |
Output is correct |
| 19 |
Correct |
8 ms |
7764 KB |
Output is correct |
| 20 |
Correct |
8 ms |
7764 KB |
Output is correct |
| 21 |
Correct |
7 ms |
7764 KB |
Output is correct |
| 22 |
Correct |
7 ms |
7764 KB |
Output is correct |
| 23 |
Correct |
8 ms |
7764 KB |
Output is correct |
| 24 |
Correct |
8 ms |
7764 KB |
Output is correct |
| 25 |
Correct |
7 ms |
7764 KB |
Output is correct |
| 26 |
Correct |
7 ms |
7764 KB |
Output is correct |
| 27 |
Correct |
8 ms |
7764 KB |
Output is correct |
| 28 |
Correct |
8 ms |
7764 KB |
Output is correct |
| 29 |
Correct |
7 ms |
7764 KB |
Output is correct |
| 30 |
Correct |
8 ms |
7764 KB |
Output is correct |
| 31 |
Correct |
9 ms |
7808 KB |
Output is correct |
| 32 |
Correct |
9 ms |
7964 KB |
Output is correct |
| 33 |
Correct |
9 ms |
8060 KB |
Output is correct |
| 34 |
Correct |
10 ms |
8188 KB |
Output is correct |
| 35 |
Correct |
14 ms |
8700 KB |
Output is correct |
| 36 |
Correct |
14 ms |
8700 KB |
Output is correct |
| 37 |
Correct |
13 ms |
8700 KB |
Output is correct |
| 38 |
Correct |
23 ms |
9724 KB |
Output is correct |
| 39 |
Correct |
13 ms |
9724 KB |
Output is correct |
| 40 |
Correct |
9 ms |
9724 KB |
Output is correct |
| 41 |
Correct |
10 ms |
9724 KB |
Output is correct |
| 42 |
Correct |
9 ms |
9724 KB |
Output is correct |
| 43 |
Correct |
238 ms |
32404 KB |
Output is correct |
| 44 |
Correct |
186 ms |
32404 KB |
Output is correct |
| 45 |
Correct |
187 ms |
32404 KB |
Output is correct |
| 46 |
Correct |
10 ms |
32404 KB |
Output is correct |
| 47 |
Correct |
10 ms |
32404 KB |
Output is correct |
| 48 |
Correct |
10 ms |
32404 KB |
Output is correct |
| 49 |
Correct |
10 ms |
32404 KB |
Output is correct |
| 50 |
Correct |
9 ms |
32404 KB |
Output is correct |
| 51 |
Correct |
9 ms |
32404 KB |
Output is correct |
| 52 |
Correct |
13 ms |
32404 KB |
Output is correct |
| 53 |
Correct |
11 ms |
32404 KB |
Output is correct |
| 54 |
Correct |
10 ms |
32404 KB |
Output is correct |
| 55 |
Correct |
42 ms |
32404 KB |
Output is correct |
| 56 |
Correct |
354 ms |
54812 KB |
Output is correct |
| 57 |
Correct |
727 ms |
103628 KB |
Output is correct |
| 58 |
Correct |
829 ms |
118908 KB |
Output is correct |
| 59 |
Execution timed out |
2069 ms |
268180 KB |
Time limit exceeded |
| 60 |
Halted |
0 ms |
0 KB |
- |
