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- #include<stdio.h>
- int main()
- {
- int T;
- scanf("%d",&T);
- while(T-->0)
- {
- int arr[100];
- int i, j, n,a, t, sum=0;
- printf("size is :") ;
- scanf("%d%d",&n,&a);
- arr[n];
- for(i=0;i<n;++i)
- {
- scanf("%d",&arr[i]);
- }
- for(i=0;i<n-1;++i)
- {
- for(j=i;j<n;++j)
- {
- if(arr[i] > arr[j])
- {
- t=arr[i];
- arr[i]=arr[j];
- arr[j]=t;
- }
- }
- }
- for(i=n-1;i>n-1-a;--i)
- {
- sum =sum + arr[i];
- }
- for(i=0;i<a;i++)
- {
- sum=sum - arr[i];
- }
- printf("%d\n",sum);
- }
- return 0;
- }
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