├── README.md
└── PRIORITY SCHEDULING


/README.md:
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1 | # -PRIORITY-SCHEDULING
2 | ..
3 | 


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/PRIORITY SCHEDULING:
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 1 | #include<stdio.h> 
 2 | main() 
 3 | { 
 4 | int p[20],bt[20],pri[20], wt[20],tat[20],i, k, n, temp; float wtavg, 
 5 | tatavg; 
 6 | clrscr(); 
 7 | printf("Enter the number of processes --- "); 
 8 | scanf("%d",&n); 
 9 | for(i=0;i<n;i++){ 
10 | p[i] = i; 
11 | printf("Enter the Burst Time & Priority of Process %d --- ",i); scanf("%d 
12 | %d",&bt[i], &pri[i]); 
13 | } 
14 | for(i=0;i<n;i++) 
15 | for(k=i+1;k<n;k++) 
16 | if(pri[i] > pri[k]){ 
17 | temp=p[i]; 
18 | p[i]=p[k]; 
19 | p[k]=temp; 
20 | temp=bt[i]; 
21 | bt[i]=bt[k]; 
22 | bt[k]=temp; 
23 | temp=pri[i]; 
24 | pri[i]=pri[k]; 
25 | pri[k]=temp; 
26 | } 
27 | wtavg = wt[0] = 0; 
28 | tatavg = tat[0] = bt[0]; 
29 | for(i=1;i<n;i++) 
30 | { 
31 | wt[i] = wt[i-1] + bt[i-1]; 
32 | tat[i] = tat[i-1] + bt[i]; 
33 | wtavg = wtavg + wt[i]; 
34 | tatavg = tatavg + tat[i]; 
35 | } 
36 | printf("\nPROCESS\t\tPRIORITY\tBURST TIME\tWAITING TIME\tTURNAROUND 
37 | TIME"); 
38 | for(i=0;i<n;i++) 
39 | printf("\n%d \t\t %d \t\t %d \t\t %d \t\t %d ",p[i],pri[i],bt[i],wt[i],tat[i]); 
40 | printf("\nAverage Waiting Time is --- %f",wtavg/n); printf("\nAverage 
41 | Turnaround Time is --- %f",tatavg/n); 
42 | getch();} 
43 | 


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