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  1. #include<stdio.h>
  2. int main()
  3. {
  4.       int i, limit, total = 0, x, counter = 0, time_quantum;
  5.       int wait_time = 0, turnaround_time = 0, arrival_time[10], burst_time[10], temp[10];
  6.       float average_wait_time, average_turnaround_time;
  7.       printf("\nEnter Total Number of Processes:\t");
  8.       scanf("%d", &limit);
  9.       x = limit;
  10.       for(i = 0; i < limit; i++)
  11.       {
  12.             printf("\nEnter Details of Process[%d]\n", i + 1);
  13.              printf("Arrival Time:\t");
  14.              scanf("%d", &arrival_time[i]);
  15.              printf("Burst Time:\t");
  16.              scanf("%d", &burst_time[i]);
  17.              temp[i] = burst_time[i];
  18.       }
  19.        printf("\nEnter Time Quantum:\t");
  20.       scanf("%d", &time_quantum);
  21.       printf("\nProcess ID\t\t|arrival Time\t|Burst Time\t|Turnaround Time\t|Waiting Time\n");
  22.       printf(".............................................................................");
  23.       for(total = 0, i = 0; x != 0;)
  24.       {
  25.             if(temp[i] <= time_quantum && temp[i] > 0)
  26.             {
  27.                   total = total + temp[i];
  28.                   temp[i] = 0;
  29.                   counter = 1;
  30.             }
  31.             else if(temp[i] > 0)
  32.             {
  33.                   temp[i] = temp[i] - time_quantum;
  34.                   total = total + time_quantum;
  35.             }
  36.             if(temp[i] == 0 && counter == 1)
  37.             {
  38.                   x--;
  39.                   printf("\nProcess[%d]\t\t|%d\t\t|%d\t\t|%d\t\t\t|%d", i + 1,arrival_time[i], burst_time[i], total - arrival_time[i], total - arrival_time[i] - burst_time[i]);
  40.                   wait_time = wait_time + total - arrival_time[i] - burst_time[i];
  41.                   turnaround_time = turnaround_time + total - arrival_time[i];
  42.                   counter = 0;
  43.             }
  44.             if(i == limit - 1)
  45.             {
  46.                   i = 0;
  47.             }
  48.             else if(arrival_time[i + 1] <= total)
  49.             {
  50.                   i++;
  51.             }
  52.             else
  53.             {
  54.                   i = 0;
  55.             }
  56.       }
  57.        average_wait_time = wait_time * 1.0 / limit;
  58.       average_turnaround_time = turnaround_time * 1.0 / limit;
  59.       printf("\n\nAverage Waiting Time:\t%f", average_wait_time);
  60.       printf("\nAvg Turnaround Time:\t%f\n", average_turnaround_time);
  61.       return 0;
  62.  
  63. }
Success #stdin #stdout 0s 5304KB
comments (?)
stdin 
Standard input is empty
stdout 
Enter Total Number of Processes:	
Enter Time Quantum:	
Process ID		|arrival Time	|Burst Time	|Turnaround Time	|Waiting Time
.............................................................................

Average Waiting Time:	-nan
Avg Turnaround Time:	-nan
https://ideone.com/4S1pyH
language:
C++ 4.3.2 (gcc-4.3.2)
created:
15 days ago
visibility:
public

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