Question

In: Computer Science

Write push and pop functions on C/C++. Have a program having 10 random integers(hardcoded)and put them...

Write push and pop functions on C/C++.

Have a program having 10 random integers(hardcoded)and put them on your stack.

Also, print them. Read a character from the keyboard.

If the character is an “o” then pop from the stack but don’t print.

If the character is a “p”, then pop from the stack and print that number.

If the character is an “e” or the stack is empty, end the program.

Solutions

Expert Solution

C program

#include<stdio.h>
#include<stdlib.h>
//stack array, stack top, item decalred as integer
int top,i, stack[100],item;
char ch;

void push()//push operation insert element to stack
{
        top++;
        stack[top]=item;
}
void pop()//pop operation delete element at top of stack
{
        item = stack[--top];
}
void display()//display function prints stack elements
{
        printf("Elements in stack:");
        for(i = top ; i > 0; i--)
                printf("%d ",stack[i]);
        printf("\n");
}

void compare()//'p', 'o' ,'e' operations are done in this function
{
        
        scanf("%c",&ch);
        if(ch == 'o') //delete top of stack
        {
                pop();
        }
                                
        else if(ch == 'p') //delete and display top of stack
        {
                pop();
                printf("Deleted Element is %d\n",item);
        }
        else if(ch == 'e')//End program
        {
                top = 0;
        }
}
void main()
{
        char ch;
        top = 0;
        for(int i = 0; i < 10 ; i++)//insert 10 elements in to the stack
        {
                item = (rand() % 11) + 10;//generate random integer
                push();
        }
        display();
        while(ch!='e' && top!=0)
        {
                printf("Enter character: ");
                compare();
        }
        printf("End Program");
}

C program screenshot

OUTPUT SCREENSHOT


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