类对象数组的初始化与赋值(易错点)

Problem 49 Prime permutations

Problem 48 Self powers

Problem 47 Distinct primes factors

Problem 46 Goldbach’s other conjecture

Problem 45 Triangular, pentagonal, and hexagonal

Problem 43 Sub-string divisibility

Problem 42 Coded triangle numbers

Problem 41 Pandigital prime

Problem 40 Champernowne’s constant

Problem 39 Integer right triangles

Problem 38 Pandigital multiples

Problem 37 Truncatable primes