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#include <stdio.h>
struct file {
char fname[10];
int index, size, block[10];
//int flag;
} f[10];
void main() {
int n, allocated[10];
// Initialize allocated array to 0
for (int i = 0; i < 10; i++) {
allocated[i] = 0;
}
// Get the number of files
printf("Enter no. of files:");
scanf("%d", &n);
// Get the details of each file
for (int i = 0; i < n; i++) {
//f[i].flag=1;
printf("\nEnter file name:");
scanf("%s", f[i].fname);
x: printf("Enter index block:");
scanf("%d", &f[i].index);
if(allocated[f[i].index])
{
printf("Index block is already allocated --try another\n");
goto x;
}
allocated[f[i].index]=1;
//not allowing the index block to use as data block
f[i].block[0] = f[i].index;
printf("Enter no.of blocks:");
scanf("%d", &f[i].size);
printf("Enter block numbers:\n");
for (int j = 1; j <= f[i].size; j++) {
y: scanf("%d", &f[i].block[j]);
if (allocated[f[i].block[j]] == 1) {
printf("Block %d is already allocated-->enter another block\n", f[i].block[j]);
//f[i].flag=0;
goto y;
// break;
}
// Mark the block as allocated
allocated[f[i].block[j]] = 1;
}
printf("\n");
for(int j=1;j<=f[i].size;j++)
{
printf("%d ----> %d\n",f[i].block[0],f[i].block[j]);
}
}
// Print the details of each file
printf("\nFile\tindex\tsize\n");
for (int i = 0; i < n; i++) {
printf("%s\t%d\t\t%d\n", f[i].fname, f[i].index, f[i].size);
}
}