#include<bits/stdc++.h>
using namespace std;
#define int long long
#define fi first
#define se second
#define pb push_back
#define debug(x) cout<<#x<<": "<<x<<"\n"
signed main()
{
ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
// freopen("input.000","r",stdin);
// freopen("output.000","w",stdout);
// srand((unsigned)time(NULL));
// rand()
int n,i,a[3005],j,pre[3005];
pair<int,int> dp[3005];
cin>>n;
for (i=1;i<n+1;i++) cin>>a[i];
pre[1]=a[1];
for (i=2;i<n+1;i++) pre[i]=pre[i-1]+a[i];
dp[1]={1,-a[1]};
for (i=2;i<n+1;i++)
{
dp[i]={1,-pre[i]};
for (j=1;j<i;j++) if (-dp[j].se<=pre[i]-pre[j])
{
dp[i]=max(dp[i], {dp[j].fi+1, -pre[i]+pre[j]});
}
}
// for (i=1;i<n+1;i++) cout<<dp[i].fi<<" "<<dp[i].se<<"\n";
cout<<dp[n].fi;
}
