Convert decimal to Binary Using Stack [Decimal to Binary Conversion ]

Convert decimal to Binary Using Stack [Decimal to Binary Conversion ]

Decimal number can be converted into equivalent binary number using stack , The procedure to convert the given number into binary is described in the following video .

Program :

#include<stdio.h>
#include<conio.h>
#include<process.h>
#define MAX 10
typedef struct stack
{
 int data[MAX];
 int top;
}stack;
//---------------------
int empty(stack *s)
{
 if(s->top==-1)
      return(1);
 return(0);
}
//----------------------
int full(stack *s)
{
 if(s->top==MAX-1)
     return(1);
 return(0);
}
//-----------------------
void push(stack *s,int x)
{
 s->top=s->top+1;
 s->data[s->top]=x;
}
//-----------------------
int pop(stack *s)
{
 int x;
 x=s->data[s->top];
 s->top=s->top-1;
 return(x);
}
//------------------------
void main()
{
 stack s;
 int num;
 s.top=-1;
     printf("\nEnter decimal number:");
     scanf("%d",&num);
     while((num!=0))
     {
       if(!full(&s))
          {
          push(&s,num%2);
          num=num/2;
          }
       else
          {
          printf("\nStack overflow");
          exit(0);
          }
     }
    printf("\n");
    while(!empty(&s))
       {
       num=pop(&s);
       printf("%d",num);
       }
}

s.top=-1;

• Initially Top = -1 .
• It is used to create empty Stack.

Step 2 :

printf("nEnter decimal number:");scanf("%d",&num);

• Accept Decimal Number using Scanf

Step 3:
As per video , Now we are dividing the original number by 2 and remainder is pushed onto stack , In the Second Iteration again we are dividing num by 2 and remainder is pushed onto stack . This action is carried out till number becomes 0.
Step 4 :

if(!full(&s))
          {
          push(&s,num%2);
          num=num/2;
          }

• Push Remainder Onto Stack if Stack is not Full and number != 0

When number becomes 0 i.e Do not push elements onto stack. Now as shown in video after pushing pop all remainders one by one display it .

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