Reverse Number

Medium Recursion PRO

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Problem Statement

Write a C program using recursion to reverse the digits of a given positive integer.

Input Format

A positive integer.

Output Format

Print the reversed integer.

Constraints

1 <= N <= 100000

Sample Input

Sample Output

Explanation

Extract digits recursively using modulo and multiplication factors to build the reverse.

Starter Code

#include <stdio.h>

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

int main() {
    int n;
    if (scanf("%d", &n) == 1) {
        int rev = 0;
        // Alternatively use a helper or helper function return
        // Write implementation details
    }
    return 0;
}

Limits

Time Limit: 1s
Memory Limit: 256MB

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