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01 2018 档案

[leetcode-771-Jewels and Stones]
摘要：You're given strings J representing the types of stones that are jewels, and S representing the stones you have. Each character in Sis a type of stone 阅读全文
posted @ 2018-01-28 20:10 hellowOOOrld 阅读(635) 评论(0) 推荐(0)
[leetcode-766-Toeplitz Matrix]
摘要：leetcode-766-Toeplitz Matrix A matrix is Toeplitz if every diagonal from top-left to bottom-right has the same element. Now given an M x N matrix, ret 阅读全文
posted @ 2018-01-27 21:55 hellowOOOrld 阅读(282) 评论(0) 推荐(0)
[leetcode-763-Partition Labels]
摘要：思路： 1.第一次扫描字符串，记录每个字符最后出现的索引。 2.第二次扫描，如果当前索引是该字符的最后出现的索引，则记录当前分割段的长度。 参考： https://discuss.leetcode.com/topic/117141/java-2-pass-o-n-time-o-1-space-ext 阅读全文
posted @ 2018-01-15 17:08 hellowOOOrld 阅读(417) 评论(0) 推荐(0)
[leetcode-762-Prime Number of Set Bits in Binary Representation]
摘要：Given two integers L and R, find the count of numbers in the range [L, R] (inclusive) having a prime number of set bits in their binary representation 阅读全文
posted @ 2018-01-15 14:44 hellowOOOrld 阅读(273) 评论(0) 推荐(0)
[leetcode-738-Monotone Increasing Digits]
摘要：Given a non-negative integer N, find the largest number that is less than or equal to N with monotone increasing digits. (Recall that an integer has m 阅读全文
posted @ 2018-01-14 22:29 hellowOOOrld 阅读(216) 评论(0) 推荐(0)
[leetcode-760-Find Anagram Mappings]
摘要：Given two lists Aand B, and B is an anagram of A. B is an anagram of A means B is made by randomizing the order of the elements in A. We want to find 阅读全文
posted @ 2018-01-12 14:22 hellowOOOrld 阅读(203) 评论(0) 推荐(0)
[leetcode-744-Find Smallest Letter Greater Than Target]
摘要：思路： 二分查找。 参考： https://leetcode.com/problems/find-smallest-letter-greater-than-target/discuss/110027 阅读全文
posted @ 2018-01-10 23:28 hellowOOOrld 阅读(403) 评论(0) 推荐(0)
[leetcode-753-Open the Lock]
摘要：You have a lock in front of you with 4 circular wheels. Each wheel has 10 slots: '0', '1', '2', '3', '4', '5', '6', '7', '8', '9'. The wheels can rota 阅读全文
posted @ 2018-01-02 17:36 hellowOOOrld 阅读(250) 评论(0) 推荐(0)
[leetcode-748-Largest Number At Least Twice of Others]
摘要：In a given integer array nums, there is always exactly one largest element. Find whether the largest element in the array is at least twice as much as 阅读全文
posted @ 2018-01-01 19:43 hellowOOOrld 阅读(492) 评论(0) 推荐(0)