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  1. #include <iostream>
  2. #include <algorithm>
  3.  
  4. int max_number(int value) {
  5.   if (!value) return 0;
  6.   return std::max(value % 10, max_number(value / 10));
  7. }
  8.  
  9. int main() {
  10.   int value = 78421;
  11.   std::cout << "max number is: " << max_number(value);
  12. }
  13.  
Success #stdin #stdout 0s 3140KB
comments (?)
stdin 
Standard input is empty
stdout 
max number is: 8
https://ideone.com/Mpqj6U
language:
C++ (gcc 8.3)
created:
10 years ago
visibility:
public

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