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Car_Showroom.c
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Car_Showroom.c
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#include<stdio.h>
#include<stdlib.h>
#include <string.h>
#define MAX 300
int queue_array[MAX];
int rear = - 1;
int front = - 1;
struct customer
{
int s_no;
char name[10];
};
struct showroom
{
int s_no;
char name[10];
int distance;
};
struct car
{
int s_no;
char name[10];
int count;
int price;
};
int main()
{
FILE *fp,*f,*p;
int i=0,n=300,a,r1,r2,j=0,m=5,o=10,k=0,z,choice,g,v=0;
struct customer s[n];
struct showroom r[m];
struct car c[o];
fp=fopen("record.txt","r");
if(fp==NULL)
{
printf("File cannot be opened\n");
exit(0);
}
for(i=0;i<n;i++)
{
fscanf(fp,"%d %s",&s[i].s_no,s[i].name);
}
fclose(fp);
for(i=0;i<n;i++)
{
if(rear == MAX - 1)
printf("Queue Overflow n");
else
{
if(front== - 1)
front = 0;
fscanf(fp,"%d",&s[i].s_no);
rear = rear + 1;
queue_array[rear] = s[i].s_no;
printf("%d\t",queue_array[i]);
a=queue_array[i];
printf("Welcome %s\n",s[a-1].name);
printf("Available ranges\n1.0 to 99999\n2.100000 to 299999\n3.300000 to 499999\n4.500000 to 699999\n5.700000 to 900000\n6.900000 above\n7.Exit\n");
printf("Enter your choice\n");
scanf("%d",&choice);
switch(choice)
{
case 1:
printf("No cars available in this range\n");
break;
case 2: printf("Available car showroom nearby\n");
f=fopen("showroom.txt","r");
for(j=0;j<m;j++)
{
fscanf(f,"%d %s %d",&r[j].s_no,r[j].name,&r[j].distance);
printf("%d %s showroom at distance %d km\n",r[j].s_no,r[j].name,r[j].distance);
}
printf("\nTo which showroom you want to go\n");
scanf("%d",&g);
printf("cars available in this showroom at this range are\n");
p=fopen("car1.txt","r");
for(k=0;k<o;k++)
{
fscanf(p,"%d %s %d %d",&c[k].s_no,c[k].name,&c[k].count,&c[k].price);
if(c[k].price >= 100000 && c[k].price<299999)
printf("%d %s %d %d\n",c[k].s_no,c[k].name,c[k].count-v,c[k].price);
}
v++;
printf("Enter serial number of a car you wanted to buy\n");
scanf("%d",&z);
if(z==c[k].s_no)
{
//front = front + 1;
}
printf("Visit again Thank you %s for purchasing\n",s[a-1].name);
break;
case 3:
printf("Available car showroom nearby\n");
f=fopen("showroom.txt","r");
for(j=0;j<m;j++)
{
fscanf(f,"%d %s %d",&r[j].s_no,r[j].name,&r[j].distance);
printf("%d %s showroom at distance %d km\n",r[j].s_no,r[j].name,r[j].distance);
}
printf("To which showroom you want to go\n");
scanf("%d",&g);
printf("cars available in this showroom at this range are\n");
p=fopen("car2.txt","r");
for(k=0;k<o;k++)
{
fscanf(p,"%d %s %d %d",&c[k].s_no,c[k].name,&c[k].count,&c[k].price);
if(c[k].price >= 300000 && c[k].price< 499999)
printf("%d %s %d %d\n",c[k].s_no,c[k].name,c[k].count-v,c[k].price);
}
v++;
printf("Enter serial number of a car you wanted to buy\n");
scanf("%d",&z);
if(z==c[k].s_no)
{
front = front + 1;
}
printf("Visit again Thank you %s for purchasing\n",s[a-1].name);
break;
case 4:
printf("Available car showroom nearby\n");
f=fopen("showroom.txt","r");
for(j=0;j<m;j++)
{
fscanf(f,"%d %s %d",&r[j].s_no,r[j].name,&r[j].distance);
printf("%d %s showroom at distance %d km\n",r[j].s_no,r[j].name,r[j].distance);
}
printf("To which showroom you want to go\n");
scanf("%d",&g);
printf("cars available in this showroom at this range are\n");
p=fopen("car3.txt","r");
for(k=0;k<o;k++)
{
fscanf(p,"%d %s %d %d",&c[k].s_no,c[k].name,&c[k].count,&c[k].price);
if(c[k].price >= 500000 && c[k].price< 699999)
printf("%d %s %d %d\n",c[k].s_no,c[k].name,c[k].count-v,c[k].price);
}
v++;
printf("Enter serial number of a car you wanted to buy\n");
scanf("%d",&z);
if(z==c[k].s_no)
{
front = front + 1;
}
printf("Visit again Thank you %s for purchasing\n",s[a-1].name);
break;
case 5:
printf("Available car showroom nearby\n");
f=fopen("showroom.txt","r");
for(j=0;j<m;j++)
{
fscanf(f,"%d %s %d",&r[j].s_no,r[j].name,&r[j].distance);
printf("%d %s showroom at distance %d km\n",r[j].s_no,r[j].name,r[j].distance);
}
printf("To which showroom you want to go\n");
scanf("%d",&g);
printf("cars available in this showroom at this range are\n");
p=fopen("car4.txt","r");
for(k=0;k<o;k++)
{
fscanf(p,"%d %s %d %d",&c[k].s_no,c[k].name,&c[k].count,&c[k].price);
if(c[k].price >= 700000 && c[k].price<=900000)
printf("%d %s %d %d\n",c[k].s_no,c[k].name,c[k].count-v,c[k].price);
}
v++;
printf("Enter correct serial number of a car you wanted to buy\n");
scanf("%d",&z);
if(z==c[k].s_no)
{
front = front + 1;
}
printf("Visit again Thank you %s for purchasing\n",s[a-1].name);
break;
case 6:
printf("No cars available in this range\n");
break;
case 7:
printf("Thank you\n");
exit(0);
break;
default:printf("Invalid choice\n");
break;
}
}
}
return 0;
}