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Question

i need help converting this code to java please

#include<stdio.h>

typedef struct{

int pid,at,bt,ct,tat,wt,f;

}process;

int main()

{

int n,i,j,st=0,c,tot=0,pno=0,swi=0;

float atat=0,awt=0;

printf("enter no of processes : ");

scanf("%d",&n);

process a[n],temp;

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

a[i].pid=i+1;

a[i].f=0;

printf("enter at : ");

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

printf("enter the bt : ");

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

printf("--------------------------- ");

}

while(1){

int min=999,c=n;

if (tot==n)

break;

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

if ((a[i].at<=st)&&(a[i].f==0)&&(a[i].at<min)){

min=a[i].at;

c=i;

}

}

if(pno!=a[c].pid)

swi++;

if (c==n)

st++;

else{

a[c].ct=st+a[c].bt;

st=st+a[c].bt;

a[c].tat=a[c].ct-a[c].at;

atat=atat+a[c].tat;

a[c].wt=a[c].tat-a[c].bt;

awt=awt+a[c].wt;

a[c].f=1;

tot++;

}

}

printf(" Process AT BT WT FT TAT ");

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

{

printf("p%d %d %d %d %d %d ",i,a[i].at,a[i].bt,a[i].wt,a[i].ct,a[i].tat);

}

printf(" average tat is %f ",(float)(atat/n));

printf("average wt is %f",(float)(awt/n));

printf(" NO OF SWITCHES :%d",swi);

}

input and output

:enter no of processes : 4 enter at : 1 enter the bt : 2 enter at : 1 enter the bt : 2 enter at :3 enter the bt : 4 enter at :

ROUND ROBIN(RR):

CODE:

#include<stdio.h>

typedef struct{

int pid,at,bt,bt1,ct,tat,wt,f,at1,res,done,wt1;

}process;

int main()

{

int n,i,q,st=0,c=0,j,count=0,number,pno=0;

float atat=0,awt=0,art=0,atat2=0,awt2=0,art2=0;

printf("enter no of processes:");

scanf("%d",&n);

printf("Enter time quantum");

scanf("%d",&q);

number=n;

process a[n],temp;

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

a[i].pid=i+1;

a[i].f=0;

a[i].done=0;

printf("enter arraival time:");

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

printf("enter the bt:");

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

a[i].bt1=a[i].bt;

a[i].at1=a[i].at;

printf("--------------------------- ");

}

int m=999,max=-1;

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

{

if(a[i].bt<m)

m=a[i].bt;

}

while (1){

int r=n,min=999;

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

if ((a[i].at<min)&&(a[i].f==0)&&(a[i].at<=st))

{

min=a[i].at;

r=i;

}

}

if(a[r].done==0)

{

a[r].res=st-a[r].at;

//art=art+a[r].res;

}

if (c==n)

break;

else if(r==n){

st++;

if(c==n-1)

count++;

}

else if(a[r].bt<=q)

{

st=st+a[r].bt-count;

a[r].done=1;

a[r].bt=0;

a[r].f=1;

c++;

a[r].ct=st;

a[r].tat=a[r].ct-a[r].at1;

atat=atat+a[r].tat;

a[r].wt=a[r].tat-a[r].bt1;

awt=awt+a[r].wt;

}

else{

st=st+q-count;

a[r].at=st+1;

a[r].bt=a[r].bt-q;

a[r].done=1;

}

}

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

art+=a[i].res;

//printf("%f",art);

printf(" average tat is %f",(float)(atat/number));

printf(" average wt is %f ",(float)(awt/number));

printf(" average rt os %f ",(float)(art/number));

printf(" Process At Bt Wt Ft Tat Res");

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

{

printf(" P%d %d %d %d %d %d %d",a[i].pid,a[i].at1,a[i].bt1,a[i].wt,a[i].ct,a[i].tat,a[i].res);

}

}

input and output:

enter no of processes:4 Enter time quantum4 enter arraival time: 2 enter the bt:5 enter arraival time: 6 enter the bt:3 enter

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Homework Answers

Answer #1

1.JAVA PROGRAM

import java.util.*;

class process{//class process
int pid,at,bt,ct,tat,wt,f;
}

public class Main//class Main
{
   public static void main(String[] args) {//method main
   int n,i,j,st=0,c,tot=0,pno=0,swi=0;
float atat=0,awt=0;
Scanner s=new Scanner(System.in);
  
   System.out.print("enter no of processes : ");
n=s.nextInt();
process a[]=new process[n],temp;

for (i=0;i<n;i++){
a[i]=new process();
a[i].pid=i+1;
a[i].f=0;
System.out.print("enter at : ");
a[i].at=s.nextInt();
System.out.print("enter the bt : ");
a[i].bt=s.nextInt();
System.out.println("--------------------------- ");
}

while(true){
int min=999;
c=n;

if (tot==n)
break;

for (i=0;i<n;i++){
if ((a[i].at<=st)&&(a[i].f==0)&&(a[i].at<min)){
min=a[i].at;
c=i;
}
}

if(c==n||pno!=a[c].pid)
swi++;
if (c==n)
st++;
else{
a[c].ct=st+a[c].bt;
st=st+a[c].bt;
a[c].tat=a[c].ct-a[c].at;
atat=atat+a[c].tat;
a[c].wt=a[c].tat-a[c].bt;
awt=awt+a[c].wt;
a[c].f=1;
tot++;
}

}

   System.out.println("Process\tAT\tBT\tWT\tFT\tTAT ");

for(i=0;i<n;i++){
System.out.println("p"+i+"\t"+a[i].at+"\t"+a[i].bt+"\t"+a[i].wt+"\t"+a[i].ct+"\t"+a[i].tat);
}

   System.out.println("average tat is "+(float)(atat/n));
System.out.println("average wt is "+(float)(awt/n));
System.out.println(" NO OF SWITCHES : "+swi);
   }
}

OUTPUT

enter no of processes : 4 enter at 1 enter the bt : 2 enter at : 1 enter the bt : 2 enter at : 3 enter the bt : 4 enter at :1 import java.util.*; 3. class process{//class process int pid, at, bt, bt1, ct, tat,wt,f, ati,res, done, wt1; 5 } 6 7 publicC=n; if (tot= n) break; for (i=0;i<n;i++){ if ((a[i]at<=st)&&(a[i].f==0)&&(a[i].at<min)>< min=a[i].at; C=i; } ہا 37 38 39 40

2.JAVA PROGRAM

import java.util.*;

class process{//class process
int pid,at,bt,bt1,ct,tat,wt,f,at1,res,done,wt1;
}

public class Main//class Main
{
   public static void main(String[] args) {//method main
   int n,i,q,st=0,c=0,j,count=0,number,pno=0;
float atat=0,awt=0,art=0,atat2=0,awt2=0,art2=0;
Scanner s=new Scanner(System.in);
  
   System.out.print("enter no of processes : ");
n=s.nextInt();
System.out.print("Enter time quantum");
q=s.nextInt();

number=n;
process a[]=new process[n],temp;

for (i=0;i<n;i++){
a[i]=new process();
a[i].pid=i+1;
a[i].f=0;
a[i].done=0;
System.out.print("enter arraival time:");
a[i].at=s.nextInt();
System.out.print("enter the bt:");
a[i].bt=s.nextInt();
a[i].bt1=a[i].bt;
a[i].at1=a[i].at;
System.out.println("--------------------------- ");
}

int m=999,max=-1;

for(i=0;i<n;i++){
if(a[i].bt<m)
m=a[i].bt;
}

while (true){
int r=n,min=999;
for (i=0;i<n;i++){
if ((a[i].at<min)&&(a[i].f==0)&&(a[i].at<=st)){
min=a[i].at;
r=i;
}
}

if(r<n&&a[r].done==0){
a[r].res=st-a[r].at;
}

if (c==n)
break;

else if(r==n){
st++;
if(c==n-1)
count++;
}

else if(a[r].bt<=q){
st=st+a[r].bt-count;
a[r].done=1;
a[r].bt=0;
a[r].f=1;
c++;
a[r].ct=st;
a[r].tat=a[r].ct-a[r].at1;
atat=atat+a[r].tat;
a[r].wt=a[r].tat-a[r].bt1;
awt=awt+a[r].wt;
}

else{
st=st+q-count;
a[r].at=st+1;
a[r].bt=a[r].bt-q;
a[r].done=1;
}

}

for(i=0;i<n;i++)
art+=a[i].res;

System.out.println(" average tat is "+(float)(atat/number));
System.out.println(" average wt is "+(float)(awt/number));
System.out.println(" average rt os "+(float)(art/number));
System.out.println(" Process\tAt\tBt\tWt\tFt\tTat\tRes");

for(i=0;i<n;i++){
System.out.println(" P"+a[i].pid+"\t"+a[i].at1+"\t"+a[i].bt1+"\t"+a[i].wt+"\t"+a[i].ct+"\t"+a[i].tat+"\t"+a[i].res);
}

}
}

OUTPUT

amput Estes time was extes deauval me: 2 Jenter arraival time: 6 enter the bt:3 enter arraival time: 2 lenter the bt:5 enterimport java.util.*; class process{//class process int pid, at,bt, bt1, ct,tat,wt, f,at1,res, done, wt1; } public class Main//43 44 while (true) { int r=n, min=999; for (i=0;i<n;i++){ if ((a[i].at<min)&&(a[i].f==0)&&(a[i].at<=st)){ min=a[i].at; r=i; }d.wt-a[r].tat-a[r].bt1; awt-awta[r].wt; } else{ st=st+4-count; a[r].at=st+1; a[r].bt=a[r].bt-4; a[r].done=1; } } 75 76 77 78

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