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  1. #include <iostream>
  2. #include <bits/stdc++.h>
  3. using namespace std;
  4.  
  5. int max_happy(vector<int>happy,int k){
  6.     int n=happy.size();
  7.     sort(happy.begin(),happy.end());
  8.     int happiness=0;
  9.     for(int i=n-1;i>=n-k;i--){
  10.         happiness+=happy[i];
  11.     }
  12.     return happiness;
  13. }
  14. int main(){
  15.     int n;
  16.     cin>>n;
  17.     vector<int>happy(n);
  18.     for(int i=0;i<n;i++){
  19.         cin>>happy[i];
  20.     }
  21.  
  22.     int k;
  23.     cin>>k;
  24.     int ans;
  25.     ans=max_happy(happy,k);
  26.     cout<<"Maximum happiness from the given vector is: "<<ans<<endl;
  27.     return 0;
  28. }
Success #stdin #stdout 0s 5320KB
comments (?)
stdin 
7
3 4 2 7 8 9 10
3
stdout 
Maximum happiness from the given vector is: 27
https://ideone.com/tvZPWc
language:
C++ (gcc 8.3)
created:
7 hours ago
visibility:
public

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