Untitled

#include<stdio.h> #include<conio.h> main()
{
int i,m,n,tot,s[20]; clrscr();
printf("Enter total memory size:"); scanf("%d",&tot);
printf("Enter no. of pages:"); scanf("%d",&n);
printf("Enter memory for OS:"); scanf("%d",&m); for(i=0;i<n;i++)
{
printf("Enter size of page%d:",i+1); scanf("%d",&s[i]);
}
tot=tot-m; for(i=0;i<n;i++)
{
if(tot>=s[i])
{
printf("Allocate page %d\n",i+1); tot=tot-s[i];
}
else
printf("process p%d is blocked\n",i+1);
}
printf("External Fragmentation is=%d",tot); getch();
}