C++ Program Convert Decimal Number To Binary Number Using Loop

#include <iostream>
#include <math.h>
using namespace std;
int main()
{
        int dec_num, rem, quot, i=1, j;
        int bin_num[100];
		cout << "\n\n Convert a decimal number to binary number:\n";
	cout << " Input a decimal number: ";
	cin>> dec_num;
        quot = dec_num;
        while(quot != 0)
        {
            bin_num[i++] = quot%2;
            quot = quot/2;
        }
        cout<<" The binary number is: ";
        for(j=i-1; j>0; j--)
        {
            cout<<bin_num[j];
        }
   cout<<("\n");
 }  

OUTPUT:

Convert a decimal number to binary number:
 Input a decimal number: 35
 The binary number is: 100011

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