#include <bits/stdc++.h>
#define pb push_back
using namespace std;
#define F first
#define sz size()
#define S second
#define in insert
#define lb lower_bound
#define int long long
#define all(v) v.begin(), v.end()
#define FOR(x, n, m, d) for(int x = n; x <= m; x += d)
#define FORR(x, n, m, d) for(int x = n; x >= m; x -= d)
#define nikita ios_base::sync_with_stdio(0), cin.tie(0);
const int N = 3000+5;
int n,m,k,tt,ans,sum=0,l, r, x, y, cnt, block = 448, res;
int a[N], b[N], c[N], dp[N][N], pref[N];
void solve(){
cin >> n;
FOR(i, 1, n, 1)cin >> a[i], pref[i] = pref[i-1] + a[i];
FOR(i, 1, n, 1){
FOR(j, 1, i, 1) dp[i][j] = 1e18;
}
FOR(i, 1,n,1)dp[i][1] = pref[i];
FOR(i, 1, n-1, 1){
FOR(j, 1, i, 1){
if(dp[i][j] == 1e18)continue;
l = i+1;
while(pref[l] - pref[i] < dp[i][j] && l <= n)l ++;
dp[l][j+1] = min(dp[l][j+1], pref[l] - pref[i]);
}
}
FORR(i, n,1, 1){
if(dp[n][i] != 1e18){
cout << i;
return;
}
}
cout << 1;
}
signed main()
{
nikita
tt = 1;
if(!tt)cin >> tt;
FOR(i, 1, tt, 1){
solve();
}
}
