2020年5月16日
1100 Mars Numbers (20分)
摘要： People on Mars count their numbers with base 13: Zero on Earth is called "tret" on Mars. The numbers 1 to 12 on Earth is called "jan, feb, mar, apr, m 阅读全文
posted @ 2020-05-16 14:59 SteveYu 阅读(216) 评论(0) 推荐(0)
1101 Quick Sort (25分)
摘要： There is a classical process named partition in the famous quick sort algorithm. In this process we typically choose one element as the pivot. Then th 阅读全文
posted @ 2020-05-16 14:57 SteveYu 阅读(197) 评论(0) 推荐(0)
1102 Invert a Binary Tree (25分)
摘要： The following is from Max Howell @twitter: Google: 90% of our engineers use the software you wrote (Homebrew), but you can't invert a binary tree on a 阅读全文
posted @ 2020-05-16 14:54 SteveYu 阅读(138) 评论(0) 推荐(0)
1103 Integer Factorization (30分)
摘要： The K−P factorization of a positive integer N is to write N as the sum of the P-th power of K positive integers. You are supposed to write a program t 阅读全文
posted @ 2020-05-16 14:52 SteveYu 阅读(193) 评论(0) 推荐(0)