Submission #952942

#	Time	Username	Problem	Language	Result	Execution time	Memory
952942		ezzzay	Bigger segments (IZhO19_segments)	C++14	0 / 100	1 ms	348 KiB

segments

#include<bits/stdc++.h>
using namespace std;
#define int long long
#define ff frist
#define ss second
#define pb push_back
const int N=505;
int a[N];
int dp[N][N];
int ps[N];
signed main(){
    int ans=0;
    int n;
    cin>>n;
    for(int i=1;i<=n;i++)cin>>a[i];
    for(int i=1;i<=n;i++){
        ps[i]=ps[i-1]+a[i];
    }
    
    for(int i=1;i<=n;i++){
        for(int r=1;r<=i;r++){
            
            for(int l=0;l<r;l++){
                
                if(ps[i]-ps[r-1]>=ps[r-1]-ps[max(0LL,l-1)]) {
                    dp[i][r]=max( dp[i][r], dp[r-1][l]+1 );
                }
            }
            
        }
    }
    for(int l=1;l<=n;l++){
        for(int r=l;r<=n;r++){
          //  cout<<r<<" : "<<l<< " :: " << dp[r][l]<<endl;
        }
    }
    for(int i=0;i<=n;i++){
        ans=max(ans,dp[n][i]);
    }
    cout<<ans;
}

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