Reverse Number

Medium Recursion

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Problem Statement

Write a recursive C program to reverse a given integer N.

Input Format

A single non-negative integer N.

Output Format

Print the reversed integer.

Constraints

0 <= N <= 1000000000

Sample Input

Sample Output

Explanation

Reversing digits of 12345 recursively gives 54321.

Starter Code

#include <stdio.h>

void reverseNum(int n, int *rev) {
    // Write recursive logic here
}

int main() {
    int n;
    if (scanf("%d", &n) == 1) {
        int rev = 0;
        reverseNum(n, &rev);
        printf("%dn", rev);
    }
    return 0;
}

Limits

Time Limit: 1s
Memory Limit: 256MB

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