https://projecteuler.net/problem=9

Special Pythagorean triplet

Problem 9

A Pythagorean triplet is a set of three natural numbers, a < b < c, for which,

a² + b² = c²

For example, 3² + 4² = 9 + 16 = 25 = 5².

There exists exactly one Pythagorean triplet for which a + b + c = 1000.
Find the product abc.

这道题的输入比较小，直接暴力的方法，循环去做，取出满足条件的即可

for i in range(1,1000 // 3 + 1):
    for j in range(i+1,(1000 - i) // 2 + 1):
        if i **2 + j ** 2 == (1000 - i - j ) ** 2:
            print(i * j * (1000 - i - j))