Submission #344587

#	Time	Username	Problem	Language	Result	Execution time	Memory
344587		_zheksenov	Divide and conquer (IZhO14_divide)	C++17	48 / 100	1088 ms	2284 KiB

divide

#include <bits/stdc++.h>

using namespace std;

#define int long long

typedef long long ll;

const int N = 1e5 + 7;

struct S {
    int x, g, d;
};

signed main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    int n;
    cin >> n;
    int mx = 0;
    vector<S> a(n + 1);
    for (int i = 1; i <= n; i++) {
        cin >> a[i].x >> a[i].g >> a[i].d;
        if (a[i].d >= 1)
            mx = max(mx, a[i].g);
    }
    vector<int> p(n + 1), t(n + 1);
    for (int i = 1; i <= n; i++)   
        p[i] = p[i - 1] + a[i].g;
    for (int i = 1; i <= n; i++)  
        t[i] = t[i - 1] + a[i].d;
    for (int i = 1; i <= n; i++) {
        for (int j = i + 1; j <= n; j++) {
            if (a[j].x - a[i].x <= t[j] - t[i - 1])
                mx = max(mx, p[j] - p[i - 1]);
        }
    }
    cout << mx << "\n";
    return 0;
}

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