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  1. #include <iostream>
  2. #include<bits/stdc++.h>
  3. using namespace std;
  4.  
  5. int main() {
  6. 	// your code goes here
  7.  
  8. 	int t;
  9. 	cin>>t;
  10. 	while(t--) {
  11. 		long long int a,b;
  12. 		cin>>a>>b;
  13. 		if(a==b) {
  14. 			cout<<"0"<<endl;
  15. 		}
  16. 		else if(b>a) {
  17. 			if(abs(a-b)%2==1) {
  18. 				cout<<"1"<<endl;
  19. 			}
  20. 			else {
  21. 				cout<<"2"<<endl;
  22. 			}
  23. 		} else if(a>b) {
  24. 			if(abs(a-b)%2==0) {
  25. 				cout<<"1"<<endl;
  26. 			}
  27. 			else {
  28. 				cout<<"2"<<endl;
  29. 			}
  30. 		}
  31. 	}
  32. 	return 0;
  33. }
Success #stdin #stdout 0s 4448KB
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/AKP8Mu
language:
C++ (gcc 8.3)
created:
4 years ago
visibility:
public

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