# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
374076 | mariowong | Bigger segments (IZhO19_segments) | C++14 | 0 ms | 0 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <bits/stdc++.h>
using namespace std;
long long n,a[3005],pt;
pair <long long,long long> dp[3005];
long long ps[3005],ans;
int main(){
ios::sync_with_stdio(false);
cin >> n;
for (int i=1;i<=n;i++){
cin >> a[i];
ps[i]=ps[i-1]+a[i];
}
pt=1;
for (int i=1;i<=n;i++){
dp[i]=make_pair(ps[i],1);
while (pt+1 < i && ps[i]-ps[pt+1] >= dp[pt].first){
pt++;
}
dp[i]=make_pair(ps[i]-ps[j],dp[j].second+1);
}
cout << dp[n].second << "\n";
return 0;
}