#include <bits/stdc++.h>
#define f first
#define s second
#define ll long long
using namespace std;
const int maxn=1e3+5;
int n;
int a[maxn];
int dp[maxn][maxn];
ll sum[maxn];
int main()
{
ios_base::sync_with_stdio(0);
cin.tie(0);cout.tie(0);
cin>>n;
for(int i=1;i<=n;i++){
cin>>a[i];
sum[i]=sum[i-1]+a[i];
}
for(int i=0;i<=n;i++){
for(int j=0;j<=n;j++) dp[i][j]=-1e9;
}
int ans=0;
for(int i=1;i<=n;i++) dp[1][i]=1;
for(int i=2;i<=n;i++){
for(int j=2;j<=i;j++){
for(int u=1;u<j;u++){
if(sum[i]-sum[j-1]>=sum[j-1]-sum[u-1]){
dp[j][i]=max(dp[j][i],dp[u][j-1]+1);
}
}
}
}
for(int i=1;i<=n;i++) ans=max(ans,dp[i][n]);
cout<<ans;
}
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