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

Data structyres, What data structure would you mostly likely see in a nonre...

What data structure would you mostly likely see in a nonrecursive implementation of a recursive algorithm?Minimum 100 words accepted#

Basic C++ Velocity and Momentum Program, Write a program that does the foll...

Write a program that does the following: Calculates the Velocity and Momentum of an object. The formula for the velocity is V=d/t and the formula Momentum is m=mass*velocity. Your

Area under curve , c-program to find the area under the curve y=f(x) betwe...

c-program to find the area under the curve y=f(x) between x=a and x=b integrate y=f(x) between the limits of a and b   #include float start_point, /

Explain the function of five elements that are on a, explain the function o...

explain the function of five elements that are found on a motherboard#

Car rental project, I need a project on car rental system using c programmi...

I need a project on car rental system using c programming only of college level

Stone game, how to write a c program for stone game

how to write a c program for stone game

Padovan string, #questio#A Padovan string P(n) for a natural number n is de...

#questio#A Padovan string P(n) for a natural number n is defined as: P(0) = ‘X’ P(1) = ‘Y’ P(2) = ‘Z’ P(n) = P(n-2) + P(n-3), n>2 where + denotes string concatenation. For a string

Explain the loop statements in computer programming, Explain the Loop State...

Explain the Loop Statements in Computer Programming? 1. C gives you a choice of three kinds of loop, while, do while and for. 2. The while loop remain repeating an action until

Sparce matrices, Write an algorithm for multiplication of two sparse matric...

Write an algorithm for multiplication of two sparse matrices using Linked Lists.

We need to decompile ex4 to mq4, We need to Decompile ex4 to mq4 I have ...

We need to Decompile ex4 to mq4 I have three expert advisors for mt4, which I need to decompile to its original mq4 code. Skills required are C Programming, C++ Programming,

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