Question

How to calculate the total of all possible binary options of N bits in C++

Answer 1

#include <iostream>
#include <cmath>

int main() {
    int N = 4;
    std::cout << 1 << N << "\n"; // = 2 ^ N
         
    N = 5;
    std::cout << 1 << N << "\n"; // = 2 ^ N
         
    N = 6;
    std::cout << pow(2, N) << "\n"; 
}




/*
run:

14
15
64

*/

 

70+ SQL courses for beginners and professionals