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C++ program to Convert a Decimal Number to Binary Number using Stacks
In this problem, we will see how to convert a decimal number to binary numbers using stacks. As we know that the decimal numbers can be converted using binary after dividing it by 2 and taking the remainder. We take the remainder from last to first, so we can easily use the stack data structure to do that.
Input: Decimal number 13 Output: Binary number 1101
Algorithm
Step 1: Take a number in decimal Step 2: while the number is greater than 0: Step 2.1: Push the remainder after dividing the number by 2 into stack. Step 2.2: set the number as number / 2. Step 3: Pop elements from stack and print the binary number
Example Code
#include<iostream>
#include<stack>
using namespace std;
void dec_to_bin(int number) {
stack<int> stk;
while(number > 0) {
int rem = number % 2; //take remainder
number = number / 2;
stk.push(rem);
}
while(!stk.empty()) {
int item;
item = stk.top();
stk.pop();
cout << item;
}
}
main() {
int num;
cout << "Enter a number: ";
cin >> num;
dec_to_bin(num);
}Output
Enter a number: 18 10010
Updated on: 30-Jul-2019
2K+ Views
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