WBC
ええ、結果はどうでも良いんです。
Problem 212
212 Combined Volume of Cuboids
Problem 217
217 Balanced Numbers
Problem 211
211 Divisor Square Sum
Problem 216
216 Investigating the primality of numbers of the form 2*n^2-1
ええ、結果はどうでも良いんです。
212 Combined Volume of Cuboids
217 Balanced Numbers
211 Divisor Square Sum
216 Investigating the primality of numbers of the form 2*n^2-1