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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5.  
  6. 	int n;
  7. 	cin >> n;
  8.  
  9. 	if(n == 0)
  10. 		return 0;
  11.  
  12. 	int ans = -1;//INT_MIN;
  13.  
  14. 	while(n > 0)
  15. 	{
  16. 		int x = n%10;
  17. 		n = n/10;
  18.  
  19. 		ans = (ans > x)? ans : x;
  20. 	}
  21. 	cout << ans << endl;
  22. 	return 0;//ans;
  23. }
Success #stdin #stdout 0s 4548KB
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https://ideone.com/30iUsq
language:
C++14 (gcc 8.3)
created:
4 years ago
visibility:
public

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