Submission #1189580

#	Time	Username	Problem	Language	Result	Execution time	Memory
1189580		diyah999	Divide and conquer (IZhO14_divide)	C++20	17 / 100	0 ms	328 KiB

divide

#include<bits/stdc++.h>
using namespace std;
#define ll long long

int main() {
    ios_base::sync_with_stdio(0); cin.tie(0);
    
    ll n;
    cin >> n;
    
    vector<ll> x(n), g(n), d(n);
    
    for (ll i = 0; i < n; ++i)
        cin >> x[i] >> g[i] >> d[i];
    
    ll left = 0, ans = 0, total_energy = 0, total_gold = 0;
    
    for (ll right = 0; right < n; ++right) {
        total_energy += d[right];
        total_gold += g[right];
        
        while (left <= right && total_energy < x[right] - x[left]) {
            total_energy -= d[left];
            total_gold -= g[left];
            left++;
        }
        
        ans = max(ans, total_gold);
    }
    
    cout << ans << endl;
    
    return 0;
}

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