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  1. #include <iostream>
  2. #include <cmath>
  3. #include <cstdlib>
  4.  
  5.  
  6. using namespace std;
  7.  
  8.  
  9. int main() {
  10.     int t;
  11.     int ile;
  12.     cin>>t;
  13.     for(int i=0; i<t; i++) {
  14.         cin>>ile;
  15.         unsigned int *a = new unsigned  int [ile];
  16.         unsigned int *b = new unsigned  int [ile];
  17.         double c=0.0;
  18.        double srednia=0.0;
  19.         for(int i=0; i<ile; i++) {
  20.             cin>>a[i];
  21.             c+=a[i];
  22.  
  23.         }
  24.         if(c == 0 ) srednia = 0;
  25.         else srednia = c / ile;
  26.  
  27.         for(int i=0; i<ile; i++) {
  28.  
  29.             b[i] = abs(srednia - a[i]);
  30.         }
  31.  
  32.             unsigned int m = 4294967295;
  33.             double wynik;
  34.             if(srednia == 0) wynik = 0;
  35.             else {
  36.                 for(int i=0; i<ile; i++) {
  37.                     if(b[i] < m) {
  38.                         m = b[i];
  39.                         wynik = a[i];
  40.                     }
  41.                 }
  42.             }
  43.             cout  << wynik << endl;
  44.  
  45.         delete [] a;
  46.         delete [] b;
  47.  
  48.     }
  49.     return 0;
  50. }
  51.  
Success #stdin #stdout 0s 15240KB
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https://ideone.com/UukMT6
language:
C++14 (gcc 8.3)
created:
5 years ago
visibility:
public

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