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  1. #include <stdio.h>
  2. int main()
  3. {int t;
  4. scanf("%d",&t);
  5. while(t--){
  6.     int n, k,swap=0,min=0,max=0;
  7.     scanf("%d%d",&n,&k);
  8.     int arr[n];
  9.     for(int i=0;i<n;i++){//stored in arr
  10.         scanf("%d",&arr[i]);
  11.     }
  12.     //sort the arr
  13.     for (int c = 0 ; c < n - 1; c++)
  14.   {
  15.     for (int d = 0 ; d < n - c - 1; d++)
  16.     {
  17.       if (arr[d] > arr[d+1]) 
  18.       {
  19.         swap       = arr[d];
  20.         arr[d]   = arr[d+1];
  21.         arr[d+1] = swap;
  22.       }
  23.     }
  24.   }
  25.   //logic <<stored the min weight in min variable>>
  26.     for(int i=0;i<k;i++){
  27.         min+=arr[i];
  28.     }
  29.   //logic <<stored the max weight in max variable>>
  30.     for(int i=k;i<n;i++){
  31.         max+=arr[i];
  32.     }
  33.     //print the difference
  34.     printf("%d\n",(max-min));
  35.  
  36. }
  37.     return 0;
  38. }
  39.  
Success #stdin #stdout 0s 4368KB
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https://ideone.com/KcqKSO
language:
C (gcc 8.3)
created:
4 years ago
visibility:
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