oj.uz

Submission #152836

# Submission time Handle Problem Language Result Execution time Memory
152836 2019-09-09T23:55:47 Z erebos Wine Tasting (FXCUP2_wine) C++17
0 / 1
 2 ms 376 KB 
#include <bits/stdc++.h>
using namespace std;

vector<int>arr;

int main() {
    ios::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    int n, k;
    cin>>n>>k;
    for(int i=0; i<n; ++i) {
        int a;
        cin>>a;
        arr.push_back(a);
    }
    sort(arr.begin(), arr.end());
    int ans=0, cnt=0;
    for(int i=0; i<k/2; ++i) {
        ans-=arr[i];
    }
    for(int i=0; i<k-k/2; ++i) {
        ans+=arr[n-i-1];
    }
    cout<<ans;
}

Compilation message

wine.cpp: In function 'int main()':
wine.cpp:17:16: warning: unused variable 'cnt' [-Wunused-variable]
     int ans=0, cnt=0;
                ^~~

Subtask #1
0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Incorrect 2 ms 376 KB Output isn't correct
3 Halted 0 ms 0 KB -