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  1. #include<stdio.h>
  2. int n,i,j,at[10],bt[10],p[10],ct[10],sum=0,tat[10],wt[10];
  3. float avgtat,avgwt;
  4. void swap(int a[])
  5. {
  6. 	int temp=a[i];
  7. 	a[i]=a[j];
  8. 	a[j]=temp;
  9. }
  10. int main()
  11. {
  12. 	printf("\nEnter the number pf processes: ");
  13. 	scanf("%d",&n);
  14. 	for(i=1;i<=n;i++)
  15. 	{
  16. 		printf("\nEnter the arrival time of P%d: ",i);
  17. 		scanf("%d",&at[i]);
  18. 		printf("\nEnter the burst time of P%d: ",i);
  19. 		scanf("%d",&bt[i]);
  20. 		p[i]=i;
  21. 	}
  22. 	for(i=1;i<=n;i++)
  23. 	{
  24. 		for(j=i+1;j<=n;j++)
  25. 		{
  26. 			if(at[i]>at[j])
  27. 			{
  28. 				swap(at);
  29. 				swap(bt);
  30. 				swap(p);
  31. 			}
  32. 		}
  33. 	}
  34. 	for(i=1;i<=n;i++)
  35. 	{
  36. 		if(sum<at[i])
  37. 		{
  38. 			sum=at[i]+sum;
  39. 		}
  40. 		sum=sum+bt[i];
  41. 		ct[i]=sum;
  42. 	}
  43. 	for(i=1;i<=n;i++)
  44. 	{
  45. 		for(j=i+1;j<=n;j++)
  46. 		{
  47. 			if(p[i]>p[j])
  48. 			{
  49. 				swap(at);
  50. 				swap(bt);
  51. 				swap(p);
  52. 				swap(ct);
  53. 			}
  54. 		}
  55. 	}
  56. 	for(i=1;i<=n;i++)
  57. 	{
  58. 		tat[i]=ct[i]-at[i];
  59. 		wt[i]=tat[i]-bt[i];
  60. 		avgtat=avgtat+tat[i];
  61. 		avgwt=avgwt+wt[i];
  62. 	}
  63. 	printf("\nprocess at bt ct tat wt");
  64. 	for(i=1;i<=n;i++)
  65. 	{
  66. 		printf("\nP%d\t\t%d\t%d\t%d\t%d\t%d",p[i],at[i],bt[i],ct[i],tat[i],wt[i]);
  67. 	}
  68. 	printf("\nthe average turnaroundtime is: %f",avgtat/n);
  69. 	printf("\nthe average waiting time is: %f",avgwt/n);
  70. 	return 0;
  71.  
  72.  
  73. }
Success #stdin #stdout 0s 5448KB
comments (?)
stdin
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3
2
7
5
2
1
4
stdout
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Enter the number pf processes: 
Enter the arrival time of P1: 
Enter the burst time of P1: 
Enter the arrival time of P2: 
Enter the burst time of P2: 
Enter the arrival time of P3: 
Enter the burst time of P3: 
process at bt ct tat wt
P1		2	7	12	10	3
P2		5	2	14	9	7
P3		1	4	5	4	0
the average turnaroundtime is: 7.666667
the average waiting time is: 3.333333
https://ideone.com/kuEH36
language:
C (gcc 8.3)
created:
55 days ago
visibility:
public

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