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  1. #include<stdio.h>
  2. void main(){
  3. 	int i,j,n,sum,wt,tat,twt,ttat;
  4. 	int t[10];
  5. 	float awt,atat;
  6.  
  7. 	printf("entr no of processors:");
  8. 	scanf("%d\n",&n);
  9.  
  10. 	for(i=0;i<n;i++){
  11. 		printf("enter the burst time of process no %d:",i+1);
  12. 		scanf("%d\n",&t[i]);
  13.  
  14. 	}
  15. 	printf("\nfirst come first serve algorithm\n");
  16. 	printf("\nprocess Id\t waiting time\t turnaround time\n");
  17. 	printf("1\t\t0\t\t%d\n",t[0]);
  18. 	sum=0;
  19. 	twt=0;
  20. 	ttat=t[0];
  21.  
  22. 	for(i=1;i<n;i++){
  23. 		sum=sum+t[i];
  24. 		wt=sum;
  25.  
  26. 		tat=sum+t[i];
  27. 		twt=twt+wt;
  28. 		ttat=ttat+tat;
  29. 		printf("%d\t\t%d\t\t%d\n",i+1,wt,tat);
  30. 		printf("\n\n");
  31.  
  32. 	}
  33. 	awt=(float)twt/n;
  34. 	atat=(float)ttat/n;
  35.          printf("average waiting time %4.2f",awt);
  36.          printf("average turn arounf time %4.2f",atat);
  37. }
Success #stdin #stdout 0.01s 5280KB
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entr no of processors:enter the burst time of process no 1:enter the burst time of process no 2:enter the burst time of process no 3:enter the burst time of process no 4:enter the burst time of process no 5:
first come first serve algorithm

process Id	 waiting time	 turnaround time
1		0		10
2		20		40


3		50		80


4		90		130


5		91		92


average waiting time 50.20average turn arounf time 70.40
https://ideone.com/NZ2hxr
language:
C (gcc 8.3)
created:
10 days ago
visibility:
public

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