Submission #287925

#	Time	Username	Problem	Language	Result	Execution time	Memory
287925		oolimry	Bigger segments (IZhO19_segments)	C++14	37 / 100	1563 ms	3000 KiB

segments

#include <bits/stdc++.h>
#define all(x) (x).begin(), (x).end()
#define sz(x) (int) (x).size()
using namespace std;
typedef long long lint;
typedef pair<int,int> ii;

lint arr[500006];
lint prefix[500006];

lint most[500006];
lint take[500006];

int main(){
	ios_base::sync_with_stdio(false); cin.tie(0);
	
	int n; cin >> n;
	for(int i = 1;i <= n;i++) cin >> arr[i];
	for(int i = 1;i <= n;i++) prefix[i] = prefix[i-1] + arr[i];
	
	for(int i = 1;i <= n;i++){
		most[i] = 0;
		for(int j = 0;j < i;j++){
			lint dis = prefix[i] - prefix[j];
			if(dis >= take[j]){
				if(most[j]+1 > most[i]){
					most[i] = most[j]+1;
					take[i] = dis;
				}
				else if(most[j]+1 == most[i] && dis < take[i]){
					take[i] = dis;
				}
			}
		}
	}
	
	cout << most[n];
}

• Subtask 1: 13 / 13
• Subtask 2: 14 / 14
• Subtask 3: 10 / 10
• Subtask 4: 0 / 36
• Subtask 5: 0 / 27