Submission #374035

#	Time	Username	Problem	Language	Result	Execution time	Memory
374035		mariowong	Bigger segments (IZhO19_segments)	C++14	37 / 100	8 ms	512 KiB

segments

#include <bits/stdc++.h>
using namespace std;
 
long long n,a[3005];
pair <long long,long long> dp[3005];
long long ps[3005],ans;
int main(){
	ios::sync_with_stdio(false);
	cin >> n;
	for (int i=1;i<=n;i++){
		cin >> a[i];
		ps[i]=ps[i-1]+a[i];
	}
	for (int i=1;i<=n;i++){
		dp[i]=make_pair(ps[i],1);
		for (int j=i-1;j>=1;j--){
			if (ps[i]-ps[j] >= dp[j].first && (dp[j].second+1 > dp[i].second || 
			(dp[i].second == dp[j].second+1 && ps[i]-ps[j] < dp[i].first))){
				dp[i]=make_pair(ps[i]-ps[j],dp[j].second+1);
				break;
			}
		}
	}
	cout << dp[n].second << "\n";
    return 0;
}	

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