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evage

Untitled

Jan 25th, 2022
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C++ 0.73 KB | None | 0 0
  1. #include <iostream>
  2. #include <time.h>
  3. #include <math.h>
  4. #define MY_RAND_MAX 32767
  5. using namespace std;
  6.  
  7. int main(){
  8.     srand(time(NULL));
  9.     int ar[3][4];
  10.     int sum = 0;
  11.     for (int i = 0; i < 3; ++i)
  12.         for (int j = 0; j < 4; ++j){
  13.             ar[i][j] = (rand()%MY_RAND_MAX)*pow(-1,rand()%2+1);
  14.             sum+=ar[i][j];
  15.         }
  16.     for (int i = 0; i < 3; ++i){
  17.         for (int j = 0; j < 4; ++j)
  18.             cout << ar[i][j] << ' ';
  19.         cout << endl;
  20.     }
  21.     double avg = sum / 12.;
  22.     int ans=0;
  23.  
  24.     for (int i = 0; i < 3; ++i)
  25.         for (int j = 0; j < 4; ++j)
  26.         {
  27.             if ((double)abs(ar[i][j]) > avg)
  28.                 ++ans;
  29.         }
  30.  
  31.     cout << "Answer is " << ans;
  32. }
  33.  
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