2015年10月22日
Project Euler 44: Find the smallest pair of pentagonal numbers whose sum and difference is pentagonal.
摘要： InProblem 42we dealt with triangular problems, inProblem 44ofProject Eulerwe deal with pentagonal number, I can only wonder if we have to deal with se... 阅读全文
posted @ 2015-10-22 01:42 Ryan in C++ 阅读(370) 评论(0) 推荐(0) 编辑