Program in C and C++ to Convert Binary to Decimal number Using recursive function

 Program in C and C++ to Convert Binary to Decimal number Using recursive function

C Program

#include<stdio.h>
 int binToDec(int bin){
    static int base = 1;
    if(bin == 0)
        return 0;
    return (( bin % 10 ) * ((base *= 2) / 2) +binToDec(bin / 10));
 }

 int main(){

    int bin;
    printf("Enter binary number :- ");
    scanf("%d",&bin);
    printf("Decimal : %d",binToDec(bin));
    return 0;
 }

C++ Program

    #include<iostream>
 using namespace std;
 int binToDec(int bin){
    static int base = 1;
    if(bin == 0)
        return 0;
    return (( bin % 10 ) * ((base *= 2) / 2) +binToDec(bin / 10));
 }

 int main(){

    int bin;
    cout<<"Enter binary number :- ";
    cin>>bin;
    cout<<"Decimal : "<<binToDec(bin);
    return 0;
 }

Output :-

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