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- #include<stdio.h>
- int main()
- {
- int bt[20],p[20],wt[20],tat[20],j,n,i,total=0,pos,temp;
- float avg_wt,avg_tat;
- printf("Enter number of process:");
- scanf("%d",&n);
- printf("\nEnter Burst Time:\n");
- for(i=0;i<n;i++)
- {
- printf("p%d:",i+1);
- scanf("%d",&bt[i]);
- p[i]=i+1;
- }
- for(i=0;i<n;i++)
- {
- pos=i;
- for(j=i+1;j<n;j++)
- {
- if(bt[j]<bt[pos])
- pos=j;
- }
- temp=bt[i];
- bt[i]=bt[pos];
- bt[pos]=temp;
- temp=p[i];
- p[i]=p[pos];
- p[pos]=temp;
- }
- wt[0]=0;
- for(i=1;i<n;i++)
- {
- wt[i]=0;
- for(j=0;j<i;j++)
- wt[i]+=bt[j];
- total+=wt[i];
- }
- avg_wt=(float)total/n;
- printf("\nProcess\t Burst Time \tWaiting Time");
- for(i=0;i<n;i++)
- {
- printf("\nP- %d \t\t %d \t\t %d\t\t",p[i],bt[i],wt[i]);
- }
- avg_tat=(float)total/n;
- printf("\n\nAverage Waiting Time=%f",avg_wt);
- return 0;
- }
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