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[LeetCode] Maximum Swap 最大置换
Given a non-negative integer, you could swap two digits at most once to get the maximum valued number. Return the maximum valued number you could get. ...
分类:其他好文   时间:2017-09-24 09:49:03    阅读次数:125
[Leetcode] 338. Counting Bits
Given a non negative integer number num. For every numbers i in the range 0 ≤ i ≤ num calculate the number of 1's in their binary representation and r ...
分类:其他好文   时间:2017-09-24 03:03:38    阅读次数:126
fb 面经- reservior sampling的题目
肯定可以做到O(m),方法就是每确定一个雷的位置,就把这个位置置换到队尾,用一个map记录这个置换。目的就是永远保持空白的位置永远连在一起 ...
分类:其他好文   时间:2017-09-23 10:51:46    阅读次数:644
[leetcode] 66. Plus One
Given a non-negative integer represented as a non-empty array of digits, plus one to the integer. You may assume the integer do not contain any leadin ...
分类:其他好文   时间:2017-09-19 23:11:55    阅读次数:320
LeetCode Sum of Square Numbers
原题链接在这里:https://leetcode.com/problems/sum-of-square-numbers/description/ 题目: Given a non-negative integer c, your task is to decide whether there're t ...
分类:其他好文   时间:2017-09-18 14:57:10    阅读次数:233
LeetCode 43. Multiply Strings
Given two non-negative integers num1 and num2 represented as strings, return the product of num1 and num2. Note: The length of both num1 and num2 is < ...
分类:其他好文   时间:2017-09-16 12:01:17    阅读次数:143
算法-最大矩形(动态规划)
不说废话了,直接贴题 题意: 样例: 1.建立模型 这个题如果直接来解决的话,可能有很大的难度,所以,我们必须先建立模型。 首先我们来看一个题,是LeetCode上: 题意: Given n non-negative integers representing the histogram's bar ...
分类:编程语言   时间:2017-09-16 11:46:18    阅读次数:204
338. Counting Bits (Medium)
Given a non negative integer number num. For every numbers i in the range 0 ≤ i ≤ num calculate the number of 1's in their binary representation and r ...
分类:其他好文   时间:2017-09-15 18:57:16    阅读次数:116
[leetcode] 2. Add Two Numbers
You are given two non-empty linked lists representing two non-negative integers. The digits are stored in reverse order and each of their nodes contai ...
分类:其他好文   时间:2017-09-15 14:46:16    阅读次数:143
[LeetCode] 530. Minimum Absolute Difference in BST Java
题目: Given a binary search tree with non-negative values, find the minimum absolute difference between values of any two nodes. Example: Note: There ar ...
分类:编程语言   时间:2017-09-14 21:39:56    阅读次数:154
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