Practice Challenge

Hard Queue: Advanced Types PRO

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Problem Statement

Write a C program to interleave the first half of a queue with the second half using an auxiliary stack or queue.

Input Format

First line contains even n. Second line contains n elements.

Output Format

Print the interleaved queue elements from front to rear separated by spaces.

Constraints

2 <= n <= 50, n is even

Sample Input

6
1 2 3 4 5 6

Sample Output

1 4 2 5 3 6

Explanation

Push the first half of the queue into a stack, interleave them back, and re-enqueue elements to achieve the desired pattern.

Starter Code

#include <stdio.h>
#include <stdlib.h>

int main() {
    int n;
    if (scanf("%d", &n) == 1) {
        // Write your code here for queue interleaving practice challenge
    }
    return 0;
}

Limits

Time Limit: 1s
Memory Limit: 256MB

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