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May 25th, 2018
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  1. #include<stdio.h>
  2. #include<stdlib.h>
  3.  
  4.  
  5. int compare (const void * a, const void * b)
  6. {
  7. return ( *(int*)a - *(int*)b );
  8. }
  9.  
  10. int main()
  11. { int t,m,n,x,y,s;
  12. int array[1000];
  13. scanf("%d",&t);
  14. for(int i=0;i<t;i++)
  15. { scanf("\n");
  16. scanf("%d %d",&m,&n);
  17. for(s=0;s<1000;s++)array[s]=0;
  18. for(int p=0;p<n;p++)
  19. { scanf("%d %d",&x,&y);
  20. array[x-1]++;
  21. array[y-1]++;
  22. }
  23.  
  24.  
  25. qsort (array,1000, sizeof(int), compare);
  26. printf("Case %d: %d\n",i+1,array[1000-m]);
  27. }
  28. return 0;
  29. }
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