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samrina_sarkar_7

Problem 2

Jun 21st, 2020
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  1. #include<stdio.h>
  2.  
  3. int main()
  4. {
  5.     int T;
  6.     scanf("%d",&T);
  7.     while(T-->0)
  8.     {
  9.         int i, j, n,a, sum=0;
  10.         printf("size is :") ;
  11.         scanf("%d%d",&n,&a);
  12.         int arr[n];
  13.        
  14.         for(i=0;i<n;i++)
  15.            {
  16.               scanf("%d",&arr[i]);
  17.              }
  18.  
  19.         for(i=0;i<n-1;++i)
  20.         {
  21.             for(j=i;j<n;++j)
  22.             {
  23.                 if(arr[i] > arr[j])
  24.                 {
  25.                     int temp=arr[i];
  26.                     arr[i]=arr[j];
  27.                     arr[j]=temp;
  28.                 }
  29.             }
  30.         }
  31.         for(i=n-1;i>n-1-a;--i)
  32.             {
  33.               sum =sum + arr[i];
  34.              }
  35.         for(i=0;i<a;i++)
  36.             {
  37.               sum=sum - arr[i];
  38.               }
  39.  
  40.         printf("%d\n",sum);
  41.  
  42.     }
  43.     return 0;
  44. }
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