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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	// your code goes here
  6. 	int tc;
  7. 	cin>>tc;
  8. 	while(tc--){
  9. 		int a,b;
  10. 		cin>>a>>b;
  11. 		if(a==b){
  12. 			cout<<0<<endl;
  13. 		}else{
  14. 			if(a>b){
  15. 				if((a-b)%2==0){
  16. 					cout<<1<<endl;
  17. 				}else{
  18. 					cout<<2<<endl;
  19. 				}
  20. 			}else{
  21. 				if((b-a)%2==1){
  22. 					cout<<1<<endl;
  23. 				}else{
  24. 					cout<<2<<endl;
  25. 				}
  26.  
  27. 			}
  28. 		}
  29. 	}
  30.  
  31. 	return 0;
  32. }
Success #stdin #stdout 0s 4376KB
comments (?)
stdin
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5
2 3
10 10
2 4
7 4
9 3
stdout
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1
0
2
2
1
https://ideone.com/pNZEdp
language:
C++ (gcc 8.3)
created:
4 years ago
visibility:
public

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