Submission #521540

#	Time	Username	Problem	Language	Result	Execution time	Memory
521540		Kalashnikov	Divide and conquer (IZhO14_divide)	C++17	48 / 100	1034 ms	3280 KiB

divide

#include <bits/stdc++.h>
 
#define ios ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0)
#define file(s) if (fopen(s".in", "r")) freopen(s".in", "r", stdin), freopen(s".out", "w", stdout)
#define all(a) a.begin() , a.end()
#define F first
#define S second
 
using namespace std;
using ll = long long;
 
const int N = 2e5+5 , inf = 2e9 + 7;
const ll INF = 1e18 ,   mod = 1e9+7 , P = 6547;

ll x[N] , g[N], d[N] , p[N] , ps[N];

void solve(int tc) {
	int n;
	cin >> n;
	for(int i = 1; i <= n; i ++) {
		cin >> x[i] >> g[i] >> d[i];
		p[i] = p[i-1] + d[i];
		ps[i] = ps[i-1] + g[i];
	}
	ll ans = 0;
	for(int i = 1; i <= n; i ++) {
		for(int j = i; j <= n; j ++) {
			if(x[j] - x[i] <= p[j] - p[i-1]) {
				ans = max(ans , ps[j] - ps[i-1]);
			}
		}
	}
	cout << ans;
}
/*
*/
main() {
    ios;
    int tt = 1 , tc = 0;
    // cin >> tt;
    while(tt --) {
        solve(++tc);
    }
    return 0;
}

Compilation message (stderr)

divide.cpp:37:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   37 | main() {
      | ^~~~

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