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- #include<stdio.h>
- void main()
- {
- int q[20],p[50],c=0,c1,d,f,i,j,k=0,n,r,t,b[20],c2[20];
- printf("Enter no of pages:\n");
- scanf("%d",&n);
- printf("Enter the string:\n");
- for(i=0;i<n;i++)
- scanf("%d",&p[i]);
- printf("Enter no of frames:\n");
- scanf("%d",&f);
- q[k]=p[k];
- printf("\n\t%d\n",q[k]);
- c++;
- k++;
- for(i=1;i<n;i++)
- {
- c1=0;
- for(j=0;j<f;j++)
- {
- if(p[i]!=q[j])
- c1++;
- }
- if(c1==f)
- {
- c++;
- if(k<f)
- {
- q[k]=p[i];
- k++;
- for(j=0;j<k;j++)
- printf("\t%d\n",q[j]);
- printf("\n");
- }
- else
- {
- for(r=0;r<f;r++)
- {
- c2[r]=0;
- for(j=i-1;j<n;j--)
- {
- if(q[r]!=p[j])
- c2[r]++;
- else
- break;
- }
- }
- for(r=0;r<f;r++)
- b[r]=c2[r];
- for(r=0;r<f;r++)
- {
- for(j=r;j<f;j++)
- {
- if(b[r]<b[j])
- t=b[r];
- b[r]=b[j];
- b[j]=t;
- }
- }
- }
- for(r=0;r<f;r++)
- {
- if(c2[r]==b[0])
- q[r]=p[i];
- printf("\t%d",q[r]);
- }
- printf("\n");
- }
- }
- printf("\nThe no of page faults is --> %d",c);
- getch();
- }
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