Untitled

#include <stdio.h>

#define mf 20
#define mb 20

void main()
{
    int n, i, j, x;
    int b[mf], sb[mf], t[mf];
    int c[mf][mb];

    printf("Enter number of files (up to %d): ", mf);
    scanf("%d", &n);
    
    for (i = 0; i < n; i++)
    {
        printf("Enter number of blocks occupied by file %d: ", i + 1);
        scanf("%d", &b[i]);
        printf("Enter the starting block of file %d: ", i + 1);
        scanf("%d", &sb[i]);
        t[i] = sb[i];
        for (j = 0; j < b[i]; j++)
        {
            c[i][j] = sb[i]++;
        }
    }
    
    printf("Filename\tStart block\tLength\n");
    for (i = 0; i < n; i++)
    {
        printf("%d\t\t%d\t\t%d\n", i + 1, t[i], b[i]);
    }
    
    printf("Enter file number: ");
    scanf("%d", &x);
    
    printf("File number is: %d\n", x);
    printf("Length is: %d\n", b[x - 1]);
    printf("Blocks occupied: ");
    for (i = 0; i < b[x - 1]; i++)
    {
        printf("%4d", c[x - 1][i]);
    }
    
    printf("\n");
}