special-pythagorean-triplet.py
# Special Pythagorean triplet
#
# A Pythagorean triplet is a set of three
# natural numbers, a < b < c, for which,
# a^2 + b^2 = c^2.
#
# For example, 3^2 + 4^2 = 9 + 16 = 25 = 5^2.
#
# There exists exactly one Pythagorean triplet
# for which a + b + c = 1000. Find the product
# abc.
#
# https://projecteuler.net/problem=9
import numpy as np
# test
MAX_N = 500
def brute(MAX_N):
'''it is not pretty, but it works'''
for a in range(MAX_N):
for b in range(MAX_N):
for c in range(MAX_N):
if (a < b and b < c) and (a ** 2 + b ** 2 == c ** 2) and (a + b + c == 1000):
return (a, b, c), a * b * c
return 0
triplet, result = brute(MAX_N)
print(triplet)
# (200, 375, 425)
print(result)
# 31875000