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C++ Fundamentals for Professionals

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We'll learn different approaches to solve the previous challenge.

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Solution 1: Using Function Arguments

C++
// power1.cpp
#include <iostream>
int power(int m, int n){
  int r = 1;
  for(int k=1; k<=n; ++k) r*= m;
  return r;
}
int main(){
  std::cout << power(2,10) << std::endl;
}

Explanation

We’re using a for loop to compute the power. The loop runs a total of n times by multiplying the number m by r for every iteration of the loop in line 7.

For a more in-depth insight into the solution above, click here. It shows how things are handled at the assembler level.

The critical point ...