firstfit.c

#include <stdio.h> //verified

int main()
{

    int m, n;

    printf("Enter the no of blocks");
    scanf("%d", &m);
    int blocks[m];
    printf("Enter the sizes of each block");
    for (int i = 0; i < m; i++)
    {
        scanf("%d", &blocks[i]);
    }
    printf("Enter the no of processes");
    scanf("%d", &n);
    int process[n], allocation[n];
    printf("Enter the size of each processes");
    for (int i = 0; i < n; i++)
    {
        scanf("%d", &process[i]);
        allocation[i] = -1;
    }

    for (int i = 0; i < n; i++)
    {
        for (int j = 0; j < m; j++)
        {
            if (process[i] <= blocks[j])

            {
                allocation[i] = j;
                blocks[j] = blocks[j] - process[i];
                break;
            }
        }
    }
    printf("Allocation\n");
    for (int i = 0; i < n; i++)
        printf(" %d %d %d\n", i + 1, process[i], allocation[i] + 1);
}