2015 年 2月 6 日随笔档案 - neverlandly

2015年2月6日

摘要： There is an integer array which has the following features: * The numbers in adjacent positions are different. * A[0] A[A.length - 1].We define... 阅读全文

posted @ 2015-02-06 13:21 neverlandly 阅读(352) 评论(0) 推荐(0)

Lintcode: Fast Power

摘要： Calculate the a^n % b where a, b and n are all 32bit integers.ExampleFor 2^31 % 3 = 2For 100^1000 % 1000 = 0ChallengeO(logn)这道题跟Pow这道题很像数学问题，要求O(log n... 阅读全文

posted @ 2015-02-06 12:10 neverlandly 阅读(950) 评论(0) 推荐(0)

Lintcode: Delete Digits

摘要： Given string A representative a positive integer which has N digits, remove any k digits of the number, the remaining digits are arranged according to... 阅读全文

posted @ 2015-02-06 06:24 neverlandly 阅读(2581) 评论(0) 推荐(1)