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分享 15 LeetCode 32 剑指 offer 24
LeetCode刷题：7.Reverse Integer LeetCode刷题：7.Reverse Integer
7. Reverse IntegerGiven a 32-bit signed integer, reverse digits of an integer.Example 1: Input: 123 Output: 321 Exampl
2019-02-27 LeetCode
数学
LeetCode刷题：961.N-Repeated Element in Size 2N Array LeetCode刷题：961.N-Repeated Element in Size 2N Array
961. N-Repeated Element in Size 2N ArrayIn a array A of size 2N, there are N+1 unique elements, and exactly one of these
2019-02-24 LeetCode
哈希表
LeetCode刷题：944.Delete Columns to Make Sorted LeetCode刷题：944.Delete Columns to Make Sorted
944. Delete Columns to Make SortedWe are given an array A of N lowercase letter strings, all of the same length.Now, we
2019-02-24 LeetCode
贪心算法
LeetCode刷题：942.DI String Match LeetCode刷题：942.DI String Match
942. DI String MatchGiven a string S that only contains “I” (increase) or “D” (decrease), let N = S.length.Return any pe
2019-02-24 LeetCode
数学
LeetCode刷题：929.Unique Email Addresses LeetCode刷题：929.Unique Email Addresses
929. Unique Email AddressesEvery email consists of a local name and a domain name, separated by the @ sign.For example,
2019-02-24 LeetCode
字符串
LeetCode刷题：922.Sort Array By Parity II LeetCode刷题：922.Sort Array By Parity II
922. Sort Array By Parity IIGiven an array A of non-negative integers, half of the integers in A are odd, and half of th
2019-02-24 LeetCode
数组 排序
LeetCode刷题：905.Sort Array By Parity LeetCode刷题：905.Sort Array By Parity
905. Sort Array By ParityGiven an array A of non-negative integers, return an array consisting of all the even elements
2019-02-24 LeetCode
数组
LeetCode刷题：867.Transpose Matrix LeetCode刷题：867.Transpose Matrix
867. Transpose MatrixGiven a matrix A, return the transpose of A.The transpose of a matrix is the matrix flipped over it
2019-02-24 LeetCode
数组
LeetCode刷题：852.Peak Index in a Mountain Array LeetCode刷题：852.Peak Index in a Mountain Array
852. Peak Index in a Mountain ArrayLet’s call an array A a mountain if the following properties hold: A.length >= 3
2019-02-24 LeetCode
二分查找
LeetCode刷题：832.Flipping an Image LeetCode刷题：832.Flipping an Image
832. Flipping an ImageGiven a binary matrix A, we want to flip the image horizontally, then invert it, and return the re
2019-02-24 LeetCode
数组
LeetCode刷题：807.Max Increase to Keep City Skyline LeetCode刷题：807.Max Increase to Keep City Skyline
807. Max Increase to Keep City SkylineIn a 2 dimensional array grid, each value grid[i][j] represents the height of a bu
2019-02-24 LeetCode
数组
LeetCode刷题：804.Unique Morse Code Words LeetCode刷题：804.Unique Morse Code Words
804. Unique Morse Code WordsInternational Morse Code defines a standard encoding where each letter is mapped to a series
2019-02-24 LeetCode
字符串
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