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

#define BUFFER_SIZE 5
#define NUM_ITEMS 10

int buffer[BUFFER_SIZE];
int count = 0;
int in = 0;
int out = 0;

void produce() {
    if (count < BUFFER_SIZE) {
        int item = rand() % 100;
        buffer[in] = item;
        in = (in + 1) % BUFFER_SIZE;
        count++;
        printf("Produced: %d\n", item);
    } else {
        printf("Buffer is full! Cannot produce.\n");
    }
}

void consume() {
    if (count > 0) {
        int item = buffer[out];
        out = (out + 1) % BUFFER_SIZE;
        count--;
        printf("Consumed: %d\n", item);
    } else {
        printf("Buffer is empty! Cannot consume.\n");
    }
}

int main() {
    int producedCount = 0;
    int consumedCount = 0;
    int choice;

    while (producedCount < NUM_ITEMS || consumedCount < NUM_ITEMS) {
        printf("\nSelect an operation:\n1. Produce\n2. Consume\nChoice: ");
        scanf("%d", &choice;);

        switch (choice) {
            case 1:
                if (producedCount < NUM_ITEMS) {
                    produce();
                    producedCount++;
                } else {
                    printf("All items produced! Cannot produce more.\n");
                }
                break;

            case 2:
                if (consumedCount < NUM_ITEMS) {
                    consume();
                    consumedCount++;
                } else {
                    printf("All items consumed! Cannot consume more.\n");
                }
                break;

            default:
                printf("Invalid choice! Please select 1 to produce or 2 to consume.\n");
        }
    }

    printf("Production and consumption completed.\n");

    return 0;
}