Hello Programmers, In this post, you will know how to solve the Classes Dealing with Complex Numbers in python HackerRank Solution. This problem is a part of the HackerRank Python Programming Series.
One more thing to add, don’t directly look for the solutions, first try to solve the problems of Hackerrank by yourself. If you find any difficulty after trying several times, then you can look for solutions.
Classes Dealing with Complex Numbers in python Hacker Rank Solution
Problem
For this challenge, you are given two complex numbers, and you have to print the result of their addition, subtraction, multiplication, division and modulus operations.
The real and imaginary precision part should be correct up to two decimal places.
Input Format :
One line of input: The real and imaginary part of a number separated by a space.
Output Format :
For two complex numbers C and D, the output should be in the following sequence on separate lines:
- C + D
- C – D
- C * D
- C / D
- Mod(C)
- Mod(D)
For complex numbers with non-zero real (A) and complex part (B), the output should be in the following format:
A + Bi
Replace the plus symbol (+) with a minus symbol (-) when B < 0.
For complex numbers with a zero complex part i.e. real numbers, the output should be:A + 0.00i
For complex numbers where the real part is zero and the complex part is non-zero, the output should be:0.00 + Bi
Sample Input :
2 1 5 6
Sample Output :
7.00+7.00i -3.00-5.00i 4.00+17.00i 0.26-0.11i 2.24+0.00i 7.81+0.00i
Concept :
Python is a fully object-oriented language like C++, Java, etc. For reading about classes, refer here.
Methods with a double underscore before and after their name are considered as built-in methods. They are used by interpreters and are generally used in the implementation of overloaded operators or other built-in functionality.
__add__-> Can be overloaded for + operation
__sub__ -> Can be overloaded for - operation
__mul__ -> Can be overloaded for * operation
For more information on operator overloading in Python, refer here.
Classes Dealing with Complex Numbers in python HackerRank Solutions
import math
class Complex(object):
def __init__(self, real, imaginary):
self.real = real
self.imaginary = imaginary
def __add__(self, no):
a = self.real
b = self.imaginary
c = no.real
d = no.imaginary
return Complex(a + c, b + d)
def __sub__(self, no):
a = self.real
b = self.imaginary
c = no.real
d = no.imaginary
return Complex(a - c, b - d)
def __mul__(self, no):
a = self.real
b = self.imaginary
c = no.real
d = no.imaginary
real_mult = (a * c) - (b * d)
imag_mult = (a * d) + (b * c)
return Complex(real_mult, imag_mult)
def __truediv__(self, no):
a = self.real
b = self.imaginary
c = no.real
d = no.imaginary
real_numerator = a * c + b * d
imag_numerator = b * c - a * d
denom = c * c + d * d
real_div = real_numerator / denom
imag_div = imag_numerator / denom
return Complex(real_div, imag_div)
def mod(self):
a = self.real
b = self.imaginary
return Complex(math.sqrt(a ** 2 + b ** 2), 0)
def __str__(self):
if self.imaginary == 0:
result = '%.2f+0.00i' % (self.real)
elif self.real == 0:
if self.imaginary >= 0:
result = '0.00+%.2fi' % (self.imaginary)
else:
result = '0.00-%.2fi' % (abs(self.imaginary))
elif self.imaginary > 0:
result = '%.2f+%.2fi' % (self.real, self.imaginary)
else:
result = '%.2f-%.2fi' % (self.real, abs(self.imaginary))
return result
if __name__ == '__main__':
c = map(float, input().split())
d = map(float, input().split())
x = Complex(*c)
y = Complex(*d)
print(*map(str, [x+y, x-y, x*y, x/y, x.mod(), y.mod()]), sep='\n')Disclaimer: The above Problem (Classes Dealing with Complex Numbers in python) is generated by Hackerrank but the Solution is Provided by BrokenProgrammers. This tutorial is only for Educational and Learning purposes.
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