Submission #1135824

#	Time	Username	Problem	Language	Result	Execution time	Memory
1135824		dombly	Divide and conquer (IZhO14_divide)	C++20	48 / 100	1096 ms	1608 KiB

divide

#include <bits/stdc++.h>
#define int long long
#define F first
#define S second
#define pb push_back
using namespace std;
const int N = 1e6 + 10;
const int inf = 1e15;
const int mod = 1e9 + 7;

signed main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);

    int n;
    cin >> n;
    vector<int>x(n + 1),g(n + 1),e(n + 1);
    for(int i = 1; i <= n; i++) {
        cin >> x[i] >> g[i] >> e[i];
        g[i] += g[i - 1];
        e[i] += e[i - 1];
    }
    int res = 0;
    for(int i = 1; i <= n; i++) {
        for(int j = 1; j <= i; j++) {
            if(e[i] - e[j - 1] >= x[i] - x[j]) res = max(res,g[i] - g[j - 1]);
        }
    }
    cout << res;
    return 0;
}

• Subtask 1: 17 / 17
• Subtask 2: 31 / 31
• Subtask 3: 0 / 52