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- #include<stdio.h>
- int main()
- {
- int n,bt[20],wt[20],tat[20],avwt=0,avtat=0,i,j;
- printf("Enter total number of processes(maximum 20):");
- scanf("%d",&n);
- printf("\nEnter Process Burst Time\n");
- for(i=0;i<n;i++)
- {
- printf("P[%d]:",i+1);
- scanf("%d",&bt[i]);
- }
- wt[0]=0; //waiting time for first process is 0
- //calculating waiting time
- for(i=1;i<n;i++)
- {
- wt[i]=0;
- for(j=0;j<i;j++)
- wt[i]+=bt[j];
- }
- printf("\nProcess\t\tBurst Time\tWaiting Time\tTurnaround Time");
- //calculating turnaround time
- for(i=0;i<n;i++)
- {
- tat[i]=bt[i]+wt[i];
- avwt+=wt[i];
- avtat+=tat[i];
- printf("\nP[%d]\t\t%d\t\t%d\t\t%d",i+1,bt[i],wt[i],tat[i]);
- }
- avwt/=i;
- avtat/=i;
- printf("\n\nAverage Waiting Time:%d",avwt);
- printf("\nAverage Turnaround Time:%d",avtat);
- return 0;
- }
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