原创 LeetCode:384. Shuffle an Array
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原创 去哪兒2017編程題
問題：對於每個測試實例，要求輸出大於n的下一個對稱數字。 分析：最小的對稱數字必然是改變靠近對稱軸的數字，因此對於輸入的數字可以分成以下2種： 1）對稱軸左邊的數字大於對應位置的右邊數字，此時直接將對稱軸左邊的數字對稱到右邊即可：
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原创 LeetCode:526. Beautiful Arrangement
Suppose you have N integers from 1 to N. We define a beautiful arrangement as an array that is constructed by these N
2018-08-21 22:31:45
原创 LeetCode: 672. Bulb Switcher II
There is a room with n lights which are turned on initially and 4 buttons on the wall. After performing exactly m u
2018-08-21 22:31:45
原创 秋招階段性總結（感悟）（2017-9-21）
互聯網公司的招聘從3、4月份的實習招聘開始，到6、7月份的內推，再到9、10月份的秋招，真是從悠悠閒閒，到有些着急，再到匆匆忙忙火急火燎，不堪回首。。。。 實習招聘：我們組導師的慣例是不讓出去實習，所以我一開始就沒有找實習，但是在5月份
2018-08-21 22:31:45
原创 網易2018校招編程題
一個合法的括號匹配序列被定義爲: 1. 空串”“是合法的括號序列 2. 如果”X”和”Y”是合法的序列,那麼”XY”也是一個合法的括號序列 3. 如果”X”是一個合法的序列,那麼”(X)”也是一個合法的括號序列 4. 每個合法的括號序列
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原创 LeetCode: 22. Generate Parentheses
Given n pairs of parentheses, write a function to generate all combinations of well-formed parentheses. For example
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原创 LeetCode:553. Optimal Division
Given a list of positive integers, the adjacent integers will perform the float division. For example, [2,3,4] -> 2 /
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原创 LeetCode: 498. Diagonal Traverse
Given a matrix of M x N elements (M rows, N columns), return all elements of the matrix in diagonal order as shown in
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原创 LeetCode：445. Add Two Numbers II
You are given two non-empty linked lists representing two non-negative integers. The most significant digit comes firs
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原创 LeetCode 382. Linked List Random Node
題目描述： LeetCode 382. Linked List Random Node Given a singly linked list, return a random node’s value from the linked
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原创 LeetCode:539. Minimum Time Difference
Given a list of 24-hour clock time points in “Hour:Minutes” format, find the minimum minutes difference between any tw
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原创 LeetCode: 421. Maximum XOR of Two Numbers in an Array
Given a non-empty array of numbers, a0, a1, a2, … , an-1, where 0 ≤ ai < 231. Find the maximum result of ai XOR aj, wh
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原创 LeetCode:529. Minesweeper
Let’s play the minesweeper game (Wikipedia, online game)! You are given a 2D char matrix representing the game board.
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原创 LeetCode:647. Palindromic Substrings
Given a string, your task is to count how many palindromic substrings in this string. The substrings with different
2018-08-21 22:31:44