Metric spaces is a large class of spaces on which the closeness of two points is depicted by a distance function, or called a metric. Metric spaces ar...
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其他好文 时间：
2014-08-05 03:04:28
阅读次数：
220
题目原文：
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 digit. Add the two numbers and return it ...
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其他好文 时间：
2014-08-05 00:51:58
阅读次数：
257
Problem Description:
Divide two integers without using multiplication, division and mod operator.
分析：题目意思很容易理解，就是不用乘除法和模运算求来做除法，很容易想到的一个方法是一直做减法，然后计数，但是提交之后显示超时，在网上找到一种解法，利用位运算，意思是任何一个整数可以表示成以2的幂为...
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其他好文 时间：
2014-08-04 21:33:28
阅读次数：
307
题目：Given two numbers represented as strings, return multiplication of the numbers as a string.Note: The numbers can be arbitrarily large and are non-....
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编程语言 时间：
2014-08-04 13:58:57
阅读次数：
285
Then-queens puzzle is the problem of placingnqueens on ann×nchessboard such that no two queens attack each other.Given an integern, return all distinc...
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其他好文 时间：
2014-08-04 13:31:07
阅读次数：
250
题目：Given two binary strings, return their sum (also a binary string).For example,a = "11"b = "1"Return "100".题解：二进制加法都是从最低位（从右加到左）。所以对两个字符串要从最后一位开始加，....
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编程语言 时间：
2014-08-04 06:13:36
阅读次数：
291
题目：The gray code is a binary numeral system where two successive values differ in only one bit.Given a non-negative integer n representing the total ....
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编程语言 时间：
2014-08-04 04:10:46
阅读次数：
309
Problem Description
Continuous Same Game is a simple game played on a grid of colored blocks. Groups of two or more connected (orthogonally, not diagonally) blocks that are the same color may be r...
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其他好文 时间：
2014-08-03 23:21:29
阅读次数：
336
Description
There is a number of disjoint vertical line segments in the plane. We say that two segments are horizontally visible if they can be connected by a horizontal line segment that does not ...
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其他好文 时间：
2014-08-03 23:16:26
阅读次数：
412
Give two versions of WA code:
Version 1: Runtime Error: Find the bug
class Solution {
public:
void find(const string& s, const unordered_set& dict, vector& res) {
int i, j, len = s.length();
...
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其他好文 时间：
2014-08-03 15:21:27
阅读次数：
329
