Problem statement
Write a c program to maintain reservation list of a train using link list,your program should do the following it should take the name,age,sex as input of a passenger, there are 50 seats in the train,and you can take up to 20 waiting list.
[click here for recursive]
#include<stdio.h>
#include<stdlib.h>
typedef struct node
{
int seat;
char name[15];
int age;
char sex;
struct node* next;
}list,*ptr;
void delete(ptr a);
void add(ptr a);
void printseat(ptr temp);
void print(ptr a);
void delete(ptr a);
int main()
{
int i,input;
ptr a;
a=(ptr)malloc(1*sizeof(list)); // dummy node
a->next=NULL;
a->seat=0;
for(i=0;i<100;i++)
{
printf("enter 1 to book a ticket and 2 for deleting a TICKETand 3 to print the chart and 4 to exit the loop \n");
scanf("%d",&input);
if(input==1)
{
add(a);
}
else if(input==2)
{
delete(a);
}
else if(input==3)
{
print(a);
}
else if(input==4)
{
break;
}
else
{
printf("not able to recognise the command \n");
}
}
printf("thank you \n");
return 0;
}
void add(ptr a)
{
int input,input2;
ptr temp=NULL;
while(a->next!=NULL)
{
a=a->next;
}
if(a->seat>70)
{
printf("train full \n");
return ;
}
else if(a->seat>50)
{
printf("%d waiting awailable \n",(a->seat)-50);
printf("enter 1 to exit 0 to continue ");
scanf("%d",&input2);
if(input2==1)
{
return ;
}
}
temp=(ptr)malloc(1*sizeof(
temp->next=NULL;
printf("enter name ");
scanf("%s",temp->name);
printf("enter age ");
scanf("%d",&temp->age);
printf("enter sex ");
scanf("%s",&temp->sex);
temp->seat=(a->seat)+1;
printf("enter 1 to print the ticket 0 for ot to print the ticket \n");
scanf("%d",&input);
if(input==1)
{
printseat(temp);
}
a->next=temp;
return ;
}
void printseat(ptr temp)
{
if(temp->seat>50)
{
printf("WL=%d",(temp->seat)-
50);
}
else
{
printf("confirm seat=%d",temp->seat);
}
printf(" name=%s ",temp->name);
printf("sex=%c ",temp->sex);
printf("age=%d \n",temp->age);
return ;
}
void print(ptr a)
{
a=a->next;
while(a!=NULL)
{
printf("seat number=%d,name=%s ,age=%d,sex=%c \n",a->seat,a->name,a->age,a->
sex);
a=a->next;
}
return ;
}
void delete(ptr a)
{
int input;
ptr temp;
a=a->next;
printf("enter the seat number ");
scanf("%d",&input);
while(a!=NULL&&(a->seat)!=
input)
{
a=a->next;
}
if(a==NULL)
{
printf("can not delete \n");
return ;
}
temp=a;
a=a->next;
free(temp);
while(a!=NULL)
{
a->seat=a->seat-1;
a=a->next;
}
printf("seat deleted \n");
return ;
}
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