Example of structure, C/C++ Programming

Assignment Help:

Example of structure:

struct item

{

                int element;

                node_ptr next;

};

typedef node_ptr stack;

stack create(void)

{

                stack s;

                s=(stack)malloc(sizeof(struct item));

                s->next=NULL;

                return s;

}

void push(stack s,int a)

{

                node_ptr temp;

                temp=(node_ptr)malloc(sizeof(struct item));

                temp->element=a;

                temp->next=s->next;

                s->next=temp;

}

int is_empty(stack s)

{

                return(s->next==NULL);

}

void  pop(stack s)

{

                node_ptr temp;

                temp=s->next;

                s->next=temp->next;

                free(temp);

 

}

int top(stack s)

{

                return(s->next->element);

}

void main()

{

                stack s;

                char exp[100];

                int i;

                s=create();

                clrscr();

                printf("Enter an expression\n");

                scanf("%s",exp);

                for(i=0;exp[i];i++)

                {

                                if(exp[i]=='('||exp[i]=='['||exp[i]=='{')

                                                push(s,exp[i]);

                                else

                                if(exp[i]==')')

                                                if(top(s)!='(')

                                                {

                                                                printf("Invalid Expression");

                                                                return;

                                                }

                                                else

                                                                pop(s);

                                else

                                if(exp[i]=='}')

                                                if(top(s)!='{')

                                                 {

                                                                printf("Invalid Expression");

                                                                return;

                                                 }

                                                else

                                                                pop(s);

                                else

                                if(exp[i]==']')

                                                if(top(s)!='[')

                                                {

                                                                                printf("Invalid Expression");

                                                                return;

                                                }

                                                else

                                                                pop(s);

                }

                if(!is_empty(s))

                                                {

                                                printf("Invalid Expression");

 

                                }

}

 

 


Related Discussions:- Example of structure

Fill an array of randomly generated integers, The task consists of two part...

The task consists of two parts which are both preferably implemented in one source file. Towards the end of this document you will find a code skeleton that you must assume. Start

Overloading unary operators using friend function, O v e r l o a d i ...

O v e r l o a d i n g U n a r y Op e r a t o r s Us i n g F r i e n d F u n c t i o n cl a ss s i g n { i n t a ,

Luminous Jewels - The Polishing Game, Byteland county is very famous for lu...

Byteland county is very famous for luminous jewels. Luminous jewels are used in making beautiful necklaces. A necklace consists of various luminous jewels of particular colour. Nec

Oop, define a class for student

define a class for student

Padovan string , .write a program that counts the number of occurrences of ...

.write a program that counts the number of occurrences of the string in the n-th padovan string p(n)   program in java // aakash , suraj , prem sasi kumar kamaraj college

Networking program development, Networking program development. 1.ARP pr...

Networking program development. 1.ARP protocol. 2.Switching HUB. 3.wireshark. 4.winpcap library. 5.C++ & MFC. 6.LAN evironment through switch and HUB(static ARP t

What happens if you make call "delete this;"?, The code contains two built-...

The code contains two built-in pitfalls. First one, if it executes in a member function for an static, extern or automatic object, the program will possibly crash as soon as the de

Two dimension array- c program, 2-D Array- C program: Define a two dim...

2-D Array- C program: Define a two dimension array using c. void convert ( int a[10][10] , int[] , int , int); void main()   {   clrscr();   int a[10][10], b[10

Program to track the hours an employee worked , Description: Create a...

Description: Create a program that allows the user to track the hours an employee worked in a week. How much the employee was paid and any extra hours worked (overtime pay).

C, how to learn programming skills

how to learn programming skills

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd