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Add Two Numbers
You are given two linked lists representing two non-negative numbers. The digits are stored in reverse order and each of their nodes contain a single ...
分类:其他好文   时间:2014-09-07 22:19:15    阅读次数:280
Palindrome Number
Determine whether an integer is a palindrome. Do this without extra space.思路:先找出x的有效最高位,然后从两侧依次比较最高位和最低位即可。 1 class Solution { 2 public: 3 bool is...
分类:其他好文   时间:2014-09-07 20:57:25    阅读次数:206
leetcode - Valid Palindrome
Given a string, determine if it is a palindrome, considering only alphanumeric characters and ignoring cases.For example,"A man, a plan, a canal: Pana...
分类:其他好文   时间:2014-09-07 12:15:55    阅读次数:292
Minimum Path Sum <leetcode>
Given amxngrid filled with non-negative numbers, find a path from top left to bottom right whichminimizesthe sum of all numbers along its path.Note:Yo...
分类:其他好文   时间:2014-09-07 11:00:24    阅读次数:213
LeetCode OJ-- 二战 Palindrome Number
判断一个 int 是否为回文的有一点要注意的是:int x;int _x = abs(x);对 x 取绝对值的时候,会发生溢出。比如 x = INT_MIN 即 -2147483648 而 INT_MAX 为2147483647其实,负数不是回文数
分类:其他好文   时间:2014-09-06 21:08:53    阅读次数:163
HDU 4133
注意题目中的一句话:If a number m has bigger evaluating value than all the numbers smaller than it。。。这让我重新想过反素数的定义,应该 是比n小的数的约数的个数都 小于 n。所以,应该取最小的一个值#include #i...
分类:其他好文   时间:2014-09-06 17:21:53    阅读次数:158
Triangle --- 至顶向下求最小值
Given a triangle, find the minimum path sum from top to bottom. Each step you may move to adjacent numbers on the row below.For example, given the fol...
分类:其他好文   时间:2014-09-06 17:20:33    阅读次数:229
Reduced ID Numbers (memset 的关键用处)
memset...
分类:其他好文   时间:2014-09-06 11:01:33    阅读次数:243
Leetcode: Minimum Path Sum
Given a m x n grid filled with non-negative numbers, find a path from top left to bottom right which minimizes the sum of all numbers along its path.N...
分类:其他好文   时间:2014-09-06 05:27:22    阅读次数:223
Combination Sum II
Given a collection of candidate numbers (C) and a target number (T), find all unique combinations in C where the candidate numbers sums to T.Each numb...
分类:其他好文   时间:2014-09-05 17:35:41    阅读次数:227
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