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#include <stdio.h>

struct file {
    char fname[10];
    int start, size, block[10];
} f[10];

void main() {
    int n, allocated[10];
    for (int i = 0; i < 10; i++) {
        allocated[i] = 0;
    }

    printf("Enter no. of files:");
    scanf("%d", &n);

    for (int i = 0; i < n; i++) {
        printf("\nEnter file name:");
        scanf("%s", f[i].fname);

        printf("Enter starting block (0-9):");
        scanf("%d", &f[i].start);
        if (f[i].start < 0 || f[i].start >= 10) {
            printf("Invalid starting block. Please enter a value between 0 and 9.\n");
            return;
        }
        f[i].block[0] = f[i].start;
        allocated[f[i].start] = 1;

        printf("Enter no. of blocks:");
        scanf("%d", &f[i].size);

        printf("Enter block numbers:\n");
        for (int j = 1; j <= f[i].size; j++) {
            x: scanf("%d", &f[i].block[j]);
            if (f[i].block[j] < 0 || f[i].block[j] >= 10) {
                printf("Invalid block number. Please enter a value between 0 and 9.\n");
                return;
            }
            if (allocated[f[i].block[j]] == 1) {
                printf("Block %d is already allocated-->enter another block\n", f[i].block[j]);
                goto x;
            }
            allocated[f[i].block[j]] = 1;
        }
    }

    printf("File\tstart\tsize\tblock\n");
    for (int i = 0; i < n; i++) {
        printf("%s\t%d\t\t%d\t", f[i].fname, f[i].start, f[i].size);
        for (int j = 0; j <= f[i].size - 1; j++) {
            printf("%d--->", f[i].block[j]);
        }
        printf("%d", f[i].block[f[i].size]);
        printf("\n");
    }
}