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Farjana_akter

Untitled

May 11th, 2019
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  1. #include<bits/stdc++.h>
  2. using namespace std;
  3. long long int arr[200000];
  4. int main()
  5. {
  6. long long int t,i,j,k,a,b,n,q,c,d,e,ans,x,y;
  7. scanf("%lld",&t);
  8. for(k=1;k<=t;k++)
  9. {
  10. scanf("%lld %lld",&n,&q);
  11. for(i=0;i<n;i++)
  12. {
  13. scanf("%lld",&arr[i]);
  14. }
  15.  
  16. printf("Case %lld:\n",k);
  17. while(q--)
  18. {
  19. scanf("%lld %lld",&a,&b);
  20. c=lower_bound(arr,arr+n,a)-arr;
  21. d=upper_bound(arr,arr+n,b)-arr;
  22. printf("%lld\n",d-c);
  23. }
  24. }
  25. return 0;
  26. }
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