제출 #936602

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
936602		Aiperiii	Bigger segments (IZhO19_segments)	C++14	27 / 100	1537 ms	70740 KiB

segments

#include <bits/stdc++.h>
#define int long long
#define ff first
#define ss second
#define pb push_back
#define all(x) x.begin(),x.end()
using namespace std;
signed main(){
    ios_base::sync_with_stdio();
    cin.tie(0);cout.tie(0);
    int n;
    cin>>n;
    vector <int> a(n+1),p(n+1);
    for(int i=1;i<=n;i++)cin>>a[i];
    int ans=1;
    int dp[n+1][n+1];
    for(int i=1;i<=n;i++){
        for(int j=1;j<=n;j++){
            dp[i][j]=1e18;
        }
    }
    for(int i=1;i<=n;i++){
        p[i]=p[i-1]+a[i];
        dp[1][i]=p[i];
    }
    for(int i=2;i<=n;i++){
        for(int j=i;j<=n;j++){
            for(int k=i;k<=j;k++){
                if(dp[i-1][k-1]<=p[j]-p[k-1])dp[i][j]=min(dp[i][j],p[j]-p[k-1]);
            }
            if(j==n){
                if(dp[i][j]==1e18)break;
                ans=i;
            }
        }
    }
    cout<<ans<<"\n";
}
/*
4
2 3 1 7
5
6 2 3 9 13
3
3 1 2
5
1 12 11 46 47
 */

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