Q:

C program to convert decimal to binary without using arithmetic operators

belongs to collection: Conversion Programs in C

YasminRadwan26
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2022-06-22
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In this exercise, we learn how to write a C program to decimal to binary without using arithmetic operators?. We will write the C program to decimal to binary number without using arithmetic operators. Write a C program to input the decimal number and convert it to a binary number without using arithmetic operators. How to convert decimal to binary number in C programming without using arithmetic operators. Logic to convert decimal to binary number in C without using arithmetic operators.

Example,

Decimal Input: 5
Binary Output: 101
 
 
Decimal Input: 9
Binary Output: 1001
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YasminRadwan26
2022-06-22
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The below program ask the user to enter the decimal number. After getting the value from the user it will convert the decimal number into a binary number.

#include <stdio.h>
#define CHAR_BITS  8  // size of character
#define INT_BITS  (sizeof(int) * CHAR_BITS)
int main()
{
    int num, index, i;
    int bin[INT_BITS] = {0};
    printf("Enter decimal number: ");
    scanf("%d", &num);
    //Array Index for binary number
    index = (INT_BITS - 1);
    while(index >= 0)
    {
        // to get the last binary digit of the number 'num'
        // and accumulate it at the beginning of 'bin'
        bin[index] = (num & 1);
        //Decrement index
        index--;
        //Right Shift num by 1
        num >>= 1;
    }
    //Display converted binary on the console screen
    printf("Converted binary is: ");
    for(i=0; i<INT_BITS; i++)
    {
        printf("%d", bin[i]);
    }
    return 0;
}

Output:

Enter decimal number: 12

Converted binary is: 00000000000000000000000000001100

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