2021年3月6日
PAT Advanced 1049 Counting Ones (30 分)
摘要： 题目 1049 Counting Ones (30 分) The task is simple: given any positive integer N, you are supposed to count the total number of 1's in the decimal form o 阅读全文
posted @ 2021-03-06 22:49 tanknee 阅读(64) 评论(0) 推荐(0) 编辑