2018年2月1日
AtCoder Regular Contest 090 F - Number of Digits
摘要： "题目链接" Description For a positive integer $n$, let us define $f(n)$ as the number of digits in base $10$. You are given an integer $S(1≤S≤10^8)$. Coun 阅读全文
posted @ 2018-02-01 19:24 救命怀 阅读(327) 评论(0) 推荐(0)