Question

How to reverse a number in C++

Answer 1

#include <iostream>
 
int reverseNumber(int n) {
    int reverse = 0, reminder;
   
    while (n != 0) {
        reminder = n % 10;
        reverse = reverse * 10 + reminder;
        n = n / 10;
    }
    
    return reverse;
}
  
int main(void) {
    int n = 3709;
 
    std::cout << reverseNumber(n);
}


  
  
/*
run:
  
9073
  
*/

 

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