#include <bits/stdc++.h>
using namespace std;
int main() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
int n;
cin >> n;
vector<int> a(n);
for (int i = 0; i < n; i++) {
cin >> a[i];
}
int sum = 0, res = 1, prev = a[0], j = 1;
for (int i = 1; i < n; i++) {
sum += a[i];
if (sum >= prev) {
res++;
while (prev + a[j] <= sum - a[j]) {
prev += a[j];
sum -= a[j];
j++;
}
prev = sum;
sum = 0;
}
}
cout << res << '\n';
return 0;
}
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