Question

Process Pl P2 P3 P4 P5 Arrival Time Burst Time Priority

I want this process in Shortest remaining time first job scheduling

code in C

and flowchart of the code

in operating system

Answer 1

Code in C for Shortest remaining time first job scheduling algorithm:

srt.c (-/Desktop) -gedit File Edit View Search Tools Documents Help Undo #include«stdio.h> typedef struct int pid,at,bt,bt1,ct,tat,wt,f anil: main() int n,i,j,st#0,C,tot#0; float atat 0,awt-0 printf("enter no of processes: " scanf("%d",&n); anil a[n],temp: for (i 0;ieni++) ai] pid-i+1; printf("enter at:") scanf("%d",8a [i].at); printf("enter the bt:" scanf("%d",&a[i].bt); a[i].bt1i.bt while(1) int min#999,c-n; if (totn) break (i:0;i«n;i++){ if for ((a[i].at«-st)&&(a[1].fs#0 )88( a [i].bt«min ) ) { min a[i].bt; c-i if (c=:n) Ln 11, Col 20 INS 4:20 PM APIIIT

srt.c (-/Desktop) -gedit File Edit View Search Tools Documents Help Undo break (i#0 ; i«n;i++){ if for ((a[i].at«-st)&&(a[1].fs#0)&&(a[i].bt«mín ) ) { min a[i.bt if (cn) st++ elset a[c].ct st+1; st st+1 a[c].bt- if (a[C].bt=#0){ tot++ a[c],f= 1 ; a[c].tat-a[c].ct-a[c].at; atat-atat+a[c] tat: a[c] .wt=a [c].tat-a[c].bt1; printf("tpidtbttatitctittatitwt" for (i#0; i«n: i++) printf("\t%d\1%d\1%d\1%d\1%d\1%d\n",a[i].pid,a[i].bt,a[i].at,a[i].ct,a[i].tat, a[i].wt); printf("\naverage tat printf( "average wt is is %f\n", (float)(atat/n)); %f\n", (float ) ( awt/n)); Ln11. Col 20 INS 4:20 PM APIIT

output for the above program:

apiit@rgukt-TravelMate-P243: -/Desktop File Edit View Search Terminal Help apiiit@rgukt-TravelMate-P243:- cd Desktop apiiit@rgukt-TravelMate-P243:-/Desktop$ gcc -o srt srt.c apiiit@rgukt-TravelMate-P243:-/Desktop$ -/srt enter no of processes: 5 enter at:0 enter the bt:4 enter at:2 enter the bt:6 enter at:4 enter the bt:4 enter at:6 enter the bt:8 enter at:8 enter the bt:6 pid bt at ct tat 14 12 28 20 12 average tat is 10.800000 average wt is 5.200000 apiiit@rgukt-TravelMate-P243:~/Desktops 4:24 PM APIITO

Algorithm :

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