Submission #172722

#	Time	Username	Problem	Language	Result	Execution time	Memory
172722		LinusTorvaldsFan	Bigger segments (IZhO19_segments)	C++14	13 / 100	3 ms	504 KiB

segments

#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

#define int ll

signed main() {
	int n;
	cin>>n;
	vector<int>a(n);
	for(int i=0;i<n;i++){
		cin>>a[i];
	}
	int ind=0;
	ll p_sum=0;
	int ans=0;
	while(ind<n){
		ll sum=0;
		ll best_sum=1e18;
		int best_ind=-1;
		ll best_choice=0;
		for(int i=ind;i<n;i++){
			sum+=a[i];
			if(sum<p_sum)continue;
			ll cur=0;
			for(int j=i+1;j<n;j++){
				cur+=a[j];
				if(cur>=sum){
					if(cur<best_sum){
						best_sum=cur;
						best_ind=i;	
						best_choice=sum;
					}
				}
			}
		}
		ans++;
		if(best_ind==-1)break;
		p_sum=best_choice;
		ind=best_ind+1;
	}
	cout<<ans;
	return 0;
}

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