program for PRIORITY algoritham using c

PRIORITY ALGORITHM

#include<stdio.h>

main()

{

int a[20],b[20],c[20],i,j,n,bt=0;

clrscr();

printf("\nEnter no of jobs");

scanf("%d",&n);

printf("Enter priority of process");

for(i=1;i<=n;i++)

scanf("%d",&a[i]);

printf("Enter burst time");

for(i=1;i<=n;i++)

scanf("%d",&b[i]);

for(i=1;i<=n;i++)

c[i]=i;

for(i=1;i<=n;i++)

for(j=i;j<=n;j++)

if(a[i]>a[j])

{

a[i]=((a[i]+a[j])-(a[j]=a[i]));

b[i]=((b[i]+b[j])-(b[j]=b[i]));

c[i]=((c[i]+c[j])-(c[j]=c[i]));

}

printf("the process sequence is\n");

for(i=1;i<=n;i++)

printf("p%d\t",c[i]);

printf("\n");

printf("\nburst time\n");

for(i=1;i<=n;i++)

printf("%d\t",b[i]);

for(i=1;i<=n;i++)

{

bt=bt+b[i];

}

printf("\n\nTotal burst time=%d",bt);

}

program for FCFS algoritham using c

FCFS ALGORITHM

#include<stdio.h>

void main()

{

int p[10],i,n,total=0;

printf("Enter no of process");

scanf("%d",&n);

printf("Enter burst time");

for(i=0;i<n;i++)

scanf("%d",&p[i]);

printf("\n The process in FCFs are\n ");

printf("PROCESS\tBURST TIME\n");

for(i=0;i<n;i++)

printf("p%d\t\t%d\n",i,p[i]);

printf("T6he total process in FCFS are {");

for(i=0;i<n;i++)

printf("p%d,",i);

printf("}");

for(i=0;i<n;i++)

{

total+=p[i];

}

printf("\n Total Time=%d",total);

}