Codeforces-SolutionsA/34B Sale/34B.cpp
2023-07-23 00:44:06 +06:00

38 lines
565 B
C++

#include<bits/stdc++.h>
using namespace std;
using ll = long long;
void solve()
{
int n,m;
cin>>n>>m;
vector<int>v;
for(int i=0; i<n; ++i)
{
int x;
cin>>x;
v.push_back(x);
}
sort(v.begin(),v.end());
int sum=0;
for(int i=0; i<m; ++i)
{
if(v[i]>=0)
break;
else
sum+=abs(v[i]);
}
cout<<sum<<endl;
}
int main()
{
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
int TC = 1;
//cin >> TC;
//cin.ignore();
while (TC--) solve();
}