2018年7月31日
Self Numbers C语言 UVA640
摘要： In 1949 the Indian mathematician D.R. Kaprekar discovered a class of numbers called self-numbers. For any positive integer n, define d(n) to be n plus 阅读全文
posted @ 2018-07-31 15:53 小小的嘤嘤怪 阅读(197) 评论(0) 推荐(0) 编辑
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