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_6a.fcfs.c
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_6a.fcfs.c
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#include<stdio.h>
int main(){
int AT[10],BT[10],WT[10],TT[10],n;
int burst=0,cmpl_T;
float Avg_WT,Avg_TT,Total=0;
printf("Enter number of the process\n");
scanf("%d",&n);
printf("Enter Arrival time and Burst time of the process\n");
printf("AT\tBT\n");
for(int i=0;i<n;i++){
scanf("%d%d",&AT[i],&BT[i]);
}
//calculating Waiting time
for(int i=0;i<n;i++){
if(i==0)
WT[i]=AT[i];
else
WT[i]=burst-AT[i];
burst+=BT[i];
Total+=WT[i];
}
Avg_WT=Total/n;
//calculating Turn around time
cmpl_T=0;
Total=0;
for(int i=0;i<n;i++){
cmpl_T+=BT[i];
TT[i]=cmpl_T-AT[i];
Total+=TT[i];
}
Avg_TT=Total/n;
// printing of outputs
printf("Process ,Waiting_time ,TurnA_time\n");
for(int i=0;i<n;i++){
printf("%d\t\t%d\t\t%d\n",i+1,WT[i],TT[i]);
}
printf("Average waiting time is : %f\n",Avg_WT);
printf("Average turn around time is : %f\n",Avg_TT);
return 0;
}