| # | 제출 시각 | 아이디 | 문제 | 언어 | 결과 | 실행 시간 | 메모리 |
|---|---|---|---|---|---|---|---|
| 1195517 | diegoangulo5 | Bulldozer (JOI17_bulldozer) | C++20 | 0 ms | 328 KiB |
#include <algorithm>
#include <iostream>
#include <vector>
using namespace std;
#define ll long long
struct mina {
ll x;
ll y;
ll w;
bool operator<(const mina &other) const {
if (x < other.x)
return true;
return false;
}
};
int main() {
int n;
cin >> n;
vector<mina> minas(n);
// Y_i = 0
for (int i = 0; i < n; ++i) {
cin >> minas[i].x >> minas[i].y >> minas[i].w;
}
sort(minas.begin(), minas.end());
ll maxi = 0;
ll acum = 0;
for (int i = 0; i < n; ++i) {
if (acum + minas[i].w < 0) {
acum = 0;
} else {
acum += minas[i].w;
maxi = max(maxi, acum);
}
}
cout << maxi << endl;
return 0;
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