Pointer-based String Reverse

Medium Pointers

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Problem Statement

Write a C program to reverse a string in-place using two character pointers moving from ends towards the center.

Input Format

A single word string S.

Output Format

Print the reversed string.

Constraints

1 <= Length <= 100

Sample Input

edcret

Sample Output

tercde

Explanation

Swaps characters using start and end pointers.

Starter Code

#include <stdio.h>

void reverseString(char *s) {
    // Write your code here
}

int main() {
    char s[101];
    if (scanf("%100s", s) == 1) {
        reverseString(s);
        printf("%sn", s);
    }
    return 0;
}

Limits

Time Limit: 1s
Memory Limit: 256MB

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