#include <bits/stdc++.h>
#define ar array
//#define int long long
using namespace std;
using ll = long long;
using pii = pair<int, int>;
using pll = pair<ll, ll>;
const int mod = 1e9 + 7;
const int LOG = 20;
const int maxn = 1e5 + 5;
signed main() {
int n; cin >> n;
vector<int> a(n+1);
vector<ll> pref(n+1);
for(int i=1; i<=n; i++) cin >> a[i];
for(int i=1; i<=n; i++) pref[i] = pref[i-1] + a[i];
vector<int> dp(n+1), last(n+1);
dp[0] = 0;
for(int i=1; i<=n; i++) {
for(int j=i; j>=1; j--) {
if(2 * pref[j] - pref[last[j]] <= pref[i] && dp[i] < dp[j] + 1) {
dp[i] = dp[j] + 1;
last[i] = j;
}
}
}
cout << dp[n] + 1 << '\n';
return 0;
}
