#!/usr/bin/env /friends/bin/cscript
#include <math.h>
#include <complex.h>
#include <stdio.h>
int main() {
  double complex z = csqrt(-1+0*I);
  printf("%.17g+%.17gi\n", creal(z), cimag(z));
  z = cpow(z, 0.5+0*I);
  printf("%.17g+%.17gi\n", creal(z), cimag(z));
}