Sortest Job Next Algorithm implement in C

Programming Language : C

Code :

#include<stdio.h>
#include<conio.h>
#include<dos.h>

void main()
{
 int n,b[10],w[10],i,j,h,t,tt;
 int stime[10],a[10];
 float avg=0;
 clrscr();
 printf("\nEnter how many jobs:");
 scanf("%d",&n);
 printf("\nEnter burst time for corresponding job....\n");
 for(i=1;i<=n;i++)
 {
  printf("\nProcess %d:",i);
  scanf("%d",&b[i]);  a[i]=i;
 }
    for(i=1;i<=n;i++)
           for(j=i;j<=n;j++)
              if(b[i]>b[j])
              {
              t=b[i]; tt=a[i];
              b[i]=b[j];  a[i]=a[j];
              b[j]=t;     a[j]=tt;
              }

 w[1]=0;


 printf("\nprocess %d waiting time is 0",a[1]);

 for(i=2;i<=n;i++)
 {
  w[i]=b[i-1]+w[i-1];
  printf("\nProcess %d waiting time: %d",a[i],w[i]);
  avg+=w[i];
 }

 printf("\ntotal waiting time:%f",avg);
 printf("\n\nthe average waiting time is:%f\n",avg/n);



getch();
}

Written by 'Shojib'.