# Problem

Write a program in C to convert a decimal number to binary number

# How to convert a decimal number to binary number in C ?

#include <stdio.h> #include <math.h> long DecimalToBinary(int n); int main() { int input; printf("Abundantcode.com Coding samples\n"); printf("Enter a decimal number: "); scanf("%d", &input); printf("%ld",DecimalToBinary(input)); return 0; } long DecimalToBinary(int n) { long binaryNumber = 0; int remainder, i = 1, step = 1; while (n!=0) { remainder = n%2; n /= 2; binaryNumber += remainder*i; i *= 10; } return binaryNumber; }

# Output

Abundantcode.com Coding samples

Enter a decimal number: 10

1010

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