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  1. #include <iostream>
  2. #include <cmath>
  3. using namespace std;
  4.  
  5. int main() {
  6. 	int a, b;
  7. 	cin>>a;
  8. 	cout<<abs(a/10 - a%10);
  9. 	return 0;
  10. }
Success #stdin #stdout 0s 5328KB
comments (?)
stdin 
23
stdout 
1
https://ideone.com/6qOd1X
language:
C++14 (gcc 8.3)
created:
13 days ago
visibility:
public

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