Cut the sticks
https://www.hackerrank.com/challenges/cut-the-sticks/problem
#include <bits/stdc++.h>
using namespace std;
int main()
{
int n;
cin>>n;
vector<int> arr(n);
for(int i=0;i<n;i++){
cin>>arr[i];
}
sort(arr.begin(),arr.end());
reverse(arr.begin(), arr.end());
while(!arr.empty()){
cout<<arr.size()<<endl;
for(int i = 0; i<arr.size();++i)
arr[i]-=arr[arr.size()-1];
while(arr.back() ==0 && !arr.empty())
arr.pop_back();
}
return 0;
}
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