제출 #37394

#제출 시각아이디문제언어결과실행 시간메모리
37394adlet금 캐기 (IZhO14_divide)C++14
0 / 100
169 ms4748 KiB
#include <bits/stdc++.h> using namespace std; typedef long long ll; const int N = 1e5 + 5; int n, l, x[N], g[N], e[N]; ll de[N], dg[N], ans; int main() { // freopen("divide.in", "r", stdin); // freopen("divide.out", "w", stdout); cin >> n; for (int i = 1; i <= n; ++i) { cin >> x[i] >> g[i] >> e[i]; dg[i] += dg[i - 1] + g[i]; de[i] += de[i - 1] + e[i]; if (x[i] - x[l + 1] <= de[i] - de[l] && dg[i] - dg[l] > ans) { ans = dg[i] - dg[l]; } if (g[i] > ans) { ans = g[i]; } if (dg[i] < dg[l]) { l = i; } } // for (int l = 1; l <= n; ++l) { // for (int r = l; r <= n; ++r) { // int len = x[r] - x[l]; //// cout << l << " " << r << " " << dg[r] - dg[l - 1] << "\n"; // if (len <= de[r] - de[l - 1] && dg[r] - dg[l - 1] > ans) { // ans = dg[r] - dg[l - 1]; // } // } // } cout << ans; }
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