摘要: 题目来源:Sum 限制:1000ms 32768K Define the function S(x) for xx is a positive integer. S(x) equals to the sum of all digit of the decimal expression of x. P 阅读全文
posted @ 2017-09-16 16:48 Chasssser 阅读(255) 评论(0) 推荐(0) 编辑