Submission #374077

#	Time	Username	Problem	Language	Result	Execution time	Memory
374077		mariowong	Bigger segments (IZhO19_segments)	C++14	0 / 100	1 ms	364 KiB

segments

#include <bits/stdc++.h>
using namespace std;
 
long long n,a[3005],pt;
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];
	}
	pt=1;
	for (int i=1;i<=n;i++){
		dp[i]=make_pair(ps[i],1);
		while (pt+1 < i && ps[i]-ps[pt+1] >= dp[pt].first){
			pt++;
		}
		dp[i]=make_pair(ps[i]-ps[pt],dp[pt].second+1);
	}
	cout << dp[n].second << "\n";
    return 0;
}		

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