#include<bits/stdc++.h>
#define MAXN 100007
using namespace std;
int n,a[MAXN];
long long pref[MAXN];
pair<int,long long> dp[MAXN];
int main(){
cin>>n;
for(int i=1;i<=n;i++){
a[i]=rand()%1000+1;
pref[i]=pref[i-1]+a[i];
}
dp[0]={0,0};
for(int i=1;i<=n;i++){
for(int f=i-1;f>=0;f--){
if(dp[f].second<=pref[i]-pref[f]){
dp[i]={dp[f].first+1,pref[i]-pref[f]};
break;
}
}
}
cout<<dp[n].first<<"\n";
return 0;
}
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