bernieloveslife

2018年10月18日

摘要： Given four lists A, B, C, D of integer values, compute how many tuples (i, j, k, l) there are such that A[i] + B[j] + C[k] + D[l] is zero. To make pro 阅读全文

posted @ 2018-10-18 11:23 bernieloveslife 阅读(114) 评论(0) 推荐(0)

378. Kth Smallest Element in a Sorted Matrix

摘要： Given a n x n matrix where each of the rows and columns are sorted in ascending order, find the kth smallest element in the matrix. Note that it is th 阅读全文

posted @ 2018-10-18 11:23 bernieloveslife 阅读(87) 评论(0) 推荐(0)

387. First Unique Character in a String

摘要： Given a string, find the first non repeating character in it and return it's index. If it doesn't exist, return 1. Examples: s = "leetcode" return 0. 阅读全文

posted @ 2018-10-18 11:23 bernieloveslife 阅读(93) 评论(0) 推荐(0)

2018年10月17日

627. Swap Salary

摘要： Given a table salary, such as the one below, that has m=male and f=female values. Swap all f and m values (i.e., change all f values to m and vice ver 阅读全文

posted @ 2018-10-17 15:51 bernieloveslife 阅读(162) 评论(0) 推荐(0)

763. Partition Labels(贪心)

摘要： A string S of lowercase letters is given. We want to partition this string into as many parts as possible so that each letter appears in at most one p 阅读全文

posted @ 2018-10-17 15:50 bernieloveslife 阅读(146) 评论(0) 推荐(0)

496. Next Greater Element I

摘要： You are given two arrays (without duplicates) nums1 and nums2 where nums1’s elements are subset of nums2. Find all the next greater numbers for nums1' 阅读全文

posted @ 2018-10-17 15:50 bernieloveslife 阅读(82) 评论(0) 推荐(0)

166. Fraction to Recurring Decimal

摘要： Given two integers representing the numerator and denominator of a fraction, return the fraction in string format. If the fractional part is repeating 阅读全文

posted @ 2018-10-17 15:50 bernieloveslife 阅读(120) 评论(0) 推荐(0)

766. Toeplitz Matrix

摘要： A matrix is Toeplitz if every diagonal from top left to bottom right has the same element. Now given an M x N matrix, return True if and only if the m 阅读全文

posted @ 2018-10-17 15:50 bernieloveslife 阅读(141) 评论(0) 推荐(0)

2018年10月16日

37. Sudoku Solver(递归和回溯)

摘要： Write a program to solve a Sudoku puzzle by filling the empty cells. A sudoku solution must satisfy all of the following rules: 1. Each of the digits 阅读全文

posted @ 2018-10-16 10:58 bernieloveslife 阅读(180) 评论(0) 推荐(0)

30. Substring with Concatenation of All Words(deep copy)

摘要： You are given a string, s, and a list of words, words, that are all of the same length. Find all starting indices of substring(s) in s that is a conca 阅读全文

posted @ 2018-10-16 10:58 bernieloveslife 阅读(115) 评论(0) 推荐(0)

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