text: #include <stdio.h>
  
  double pow(double x, unsigned int y){
    y--;
    int temp = 0;
    double pow = x;
    while (temp < y){
      x = x*pow;
      temp++;
    }
    return x;
  }
  
  int main()
  {
    double x = 4;
    unsigned int y = 2;
    double action = pow(x,y);
    printf("%.0lf \n", action);
    return 0;
  }
  