Submission #113315

#	Time	Username	Problem	Language	Result	Execution time	Memory
113315		ioilolcom	Divide and conquer (IZhO14_divide)	C++14	48 / 100	1070 ms	2816 KiB

divide

#include <bits/stdc++.h>
using namespace std;
#define endl "\n"
typedef long long int ll;
struct camp {
	int x,g,d;
};
vector<camp> v;
const int N=1e6+7;
ll p[N];
ll sum[N];
int main()
{

	ios_base:: sync_with_stdio(false); cin.tie(0);
	int n; cin>>n;
	v.resize(n+1);
	for(int i=1; i<=n; i++) {
		cin>>v[i].x>>v[i].g>>v[i].d;
		p[i]=p[i-1]+v[i].d;
		sum[i]=sum[i-1]+v[i].g;
	}
	ll ans=0;
	for(int i=1; i<=n; i++) {
		for(int j=i; j<=n; j++) {
			if(v[j].x-v[i].x<=p[j]-p[i-1]) {
				//	cout<<i<<" "<<j<<endl;
				ans=max(ans,sum[j]-sum[i-1]);
			}
		}
	}
	cout<<ans<<endl;

	return 0;
}

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