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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	// your code goes here
  6. 	int t, n,a,p;
  7. 	cin>>t;
  8. 	while(t--){
  9. 		cin>>n>>a;
  10. 		p = n-a;
  11. 		if(p < a)
  12. 		  cout<<p<<"\n";
  13. 		else
  14. 		  cout<<a<<"\n";
  15. 	}
  16. 	return 0;
  17. }
Success #stdin #stdout 0s 5432KB
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stdin
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3
2 1
3 2
3 1
stdout
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1
1
1
https://ideone.com/PTfm3J
language:
C++ (gcc 8.3)
created:
121 days ago
visibility:
public

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