#include<stdio.h>
#include<conio.h>
#include<process.h>
void main()
{
char p[10][5];
int tot=0,wt[10],i,n;
float avg=0;
clrscr();
printf("enter no of processes:");
scanf("%d",&n);
for(i=0;i<n;i++)
{
printf("enter process%d name:\n",i+1);
scanf("%s",&p[i]);
printf("enter process time");
scanf("%d",&pt[i]);
}
wt[0]=0;
for(i=1;i<n;i++)
{
wt[i]=wt[i-1]+et[i-1];
tot=tot+wt[i];
}
avg=(float)tot/n;
printf("p_name\t P_time\t w_time\n");
for(i=0;i<n;i++)
printf("%s\t%d\t%d\n",p[i],et[i],wt[i]);
printf("total waiting time=%d\n avg waiting time=%f",tot,avg);
getch();
}
OUTPUT:
enter no of processes: 5
enter process1 name: aaa
enter process time: 4
enter process2 name: bbb
enter process time: 3
enter process3 name: ccc
enter process time: 2
enter process4 name: ddd
enter process time: 5
enter process5 name: eee
enter process time: 1
p_name P_time w_time
aaa 4 0
bbb 3 4
ccc 2 7
ddd 5 9
eee 1 14
total waiting time=34
avg waiting time=6.80
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