Question

How to reverse a number in C

Answer 1

#include <stdio.h>
 
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 = 7801;
     
    printf("%i", reverseNumber(n));
}
 
 
 
 
/*
run:
   
1087
   
*/

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