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  1. #include<stdio.h> 
  2.  
  3. int main() 
  4. { 
  5.  
  6.   int count,j,n,time,remain,flag=0,time_quantum; 
  7.   int wait_time=0,turnaround_time=0,at[10],bt[10],rt[10]; 
  8.   printf("Enter Total Process:\t "); 
  9.   scanf("%d",&n); 
  10.   remain=n; 
  11.   for(count=0;count<n;count++) 
  12.   { 
  13.     printf("Enter Arrival Time and Burst Time for Process Process Number %d :",count+1); 
  14.     scanf("%d",&at[count]); 
  15.     scanf("%d",&bt[count]); 
  16.     rt[count]=bt[count]; 
  17.   } 
  18.   printf("Enter Time Quantum:\t"); 
  19.   scanf("%d",&time_quantum); 
  20.   printf("\n\nProcess\t|Turnaround Time|Waiting Time\n\n"); 
  21.   for(time=0,count=0;remain!=0;) 
  22.   { 
  23.     if(rt[count]<=time_quantum && rt[count]>0) 
  24.     { 
  25.       time+=rt[count]; 
  26.       rt[count]=0; 
  27.       flag=1; 
  28.     } 
  29.     else if(rt[count]>0) 
  30.     { 
  31.       rt[count]-=time_quantum; 
  32.       time+=time_quantum; 
  33.     } 
  34.     if(rt[count]==0 && flag==1) 
  35.     { 
  36.       remain--; 
  37.       printf("P[%d]\t|\t%d\t|\t%d\n",count+1,time-at[count],time-at[count]-bt[count]); 
  38.       wait_time+=time-at[count]-bt[count]; 
  39.       turnaround_time+=time-at[count]; 
  40.       flag=0; 
  41.     } 
  42.     if(count==n-1) 
  43.       count=0; 
  44.     else if(at[count+1]<=time) 
  45.       count++; 
  46.     else 
  47.       count=0; 
  48.   } 
  49.   printf("\nAverage Waiting Time= %f\n",wait_time*1.0/n); 
  50.   printf("Avg Turnaround Time = %f",turnaround_time*1.0/n); 
  51.  
  52.   return 0; 
  53. }
Success #stdin #stdout 0s 4528KB
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stdin
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Standard input is empty
stdout
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Enter Total Process:	 Enter Time Quantum:	

Process	|Turnaround Time|Waiting Time


Average Waiting Time= -nan
Avg Turnaround Time = -nan
https://ideone.com/oTDI5G
language:
C (gcc 8.3)
created:
4 years ago
visibility:
public

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