Question 1: Write a program that reads in a positive integer (decimal number) wi

Question

Question 1: Write a program that reads in a positive integer (decimal number) with maximum 5 digits and display its equivalent binary number. You can watch this video to know how to convert a decimal number to a binary number. https://www.youtube.com/watch?v ZROpC6 iW5Q If the input is invalid, please keep on asking until you get the correct input. Hint: you can use either a recursive function or an iteration (loop) with an array. Example: Bold means user input Enter a positive integer with maximum 5 digits: 123456 Invalid input. Try again. Enter a positive integer with maximum 5 digits: 25 Decimal 25 Binary 11001.

Explanation / Answer

Since no specific language is mentioned, I have written this code in C++

#include <iostream>

using namespace std;

int toBinary(int num)

{

if (num == 0)

return 0;  

else

return (num % 2 +

10 * toBinary(num / 2));

}

int main() {

int n,counter=0,temp;

cout<<"Enter a Positive number maximum of 5 digits: ";

cin>>n;

temp=n;

while(temp!=0){

temp=temp/10;

counter++;

}

if(counter>5)

cout<<"Invalid Input. Try again.";

else{

cout<<"decimal "<<n<<"= "<<toBinary(n);

}

return 0;

}

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