Here you will get program to convert a number from decimal to binary in C++.

How to convert decimal number to binary?

- Divide the number by 2 and save the remainder somewhere.
- Divide the quotient with 2 again and save the remainder somewhere.
- Repeat the process until 1 is left as quotient.
- Now write the remainders in reverse order.

This program can only convert non decimal numbers.

**Also Read: Convert Binary to Decimal in C++**

## Program for Decimal to Binary in C++

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#include<iostream> using namespace std; int main() { int d,n,i,j,a[50]; cout<<"Enter a number:"; cin>>n; cout<<"\nThe binary conversion of "<<n<<" is 1"; for(i=1;n!=1;++i) { d=n%2; a[i]=d; n=n/2; } for(j=i-1;j>0;--j) cout<<a[j]; return 0; } |

**Output**

*Enter a number:5*

*The binary conversion of 5 is 101*

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