Dequeue

Medium Circular Queue

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Problem Statement

Write a C program to perform enqueue and dequeue operations on a circular queue and display the remaining elements.

Input Format

First line: capacity, n enqueues, d dequeues. Second line: n elements to enqueue.

Output Format

Print remaining circular queue elements separated by spaces.

Constraints

1 <= d < n <= capacity <= 50

Sample Input

5 4 2
10 20 30 40

Sample Output

30 40

Explanation

Advance front as `(front + 1) % capacity` during dequeue and decrement size.

Starter Code

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

int main() {
    int cap, n, d;
    if (scanf("%d %d %d", &cap, &n, &d) == 3) {
        // Write your code here for circular queue dequeue
    }
    return 0;
}

Limits

Time Limit: 1s
Memory Limit: 256MB

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