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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. #define ll long long
  4. int main() {
  5. int t;cin>>t;
  6. while(t--)
  7. {
  8. 	ll a,b;cin>>a>>b;
  9. 	if(a>b){
  10. 		if((a-b)%2==0){cout<<1<<endl;}
  11. 		else cout<<2<<endl;
  12. 	}
  13. 	else if(a<b){
  14. 		if((b-a)%2==1)cout<<1<<endl;
  15. 		else cout<<2<<endl;
  16. 	}
  17. 	else cout<<0<<endl;
  18. }
  19. }
Success #stdin #stdout 0s 4556KB
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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
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https://ideone.com/DqvLJm
language:
C++14 (gcc 8.3)
created:
4 years ago
visibility:
public

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