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  1. #include <stdio.h>
  2.  
  3. double avg(double * arr,int students)
  4. {
  5.  
  6.     int i;
  7.     double average=0;
  8.  
  9.     for(i=0;i<students;i++){
  10.         average=average+(*(arr+i));
  11.     }
  12.  
  13.     average=average/students;
  14.  
  15.     int temp=average*100;
  16.  
  17.     average=temp/100.0;
  18.  
  19.     return average;
  20. }
  21.  
  22.  
  23. double mon(double * arr,int students,double average)
  24. {
  25.     int i;
  26.     double count=0;
  27.  
  28.     for(i=0;i<students;i++){
  29.  
  30.         if(*(arr+i)<average){
  31.             double temp=average-*(arr+i);
  32.  
  33.             int a=temp*100;
  34.  
  35.             temp=a/100.0;
  36.  
  37.             count=count+temp;
  38.         }
  39.     }
  40.  
  41.     return count;
  42. }
  43.  
  44.  
  45. int main(void)
  46. {
  47.     // your code goes here
  48.     int students;
  49.  
  50.     scanf("%d",&students);
  51.  
  52.     while(students!=0){
  53.  
  54.         double arr[students];
  55.         int i;
  56.  
  57.         for(i=0;i<students;i++){
  58.             scanf("%lf",&arr[i]);
  59.  
  60.         }
  61.  
  62.         double average=avg(arr,students);
  63.  
  64.         static double dummy = average;
  65.         //printf("%lf\n",average);
  66.  
  67.         double money=mon(arr,students,average);
  68.  
  69.         printf("$%.2lf\n",money);
  70.  
  71.         scanf("%d",&students);
  72.  
  73.     }
  74.  
  75.     return 0;
  76. }
Success #stdin #stdout 0s 3100KB
comments (?)
stdin 
3
0.01
0.03
0.03
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stdout 
$0.01
https://ideone.com/a1wadn
language:
C++ (gcc 8.3)
created:
10 years ago
visibility:
public

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