Problem ThreepalindromesA regular palindrome is a string of numbers or letters that is the same forward as backward. For example, the string "ABCDEDCB...
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其他好文 时间:
2014-10-30 07:09:03
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271
Given a sorted linked list, delete all nodes that have duplicate numbers, leaving onlydistinctnumbers from the original list.For example,Given1->2->3-...
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其他好文 时间:
2014-10-29 16:49:45
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220
Problem Discription: Suppose the array A has n items in which all of the numbers apear 3 times except one. Find the single number. int singleNumber2(....
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其他好文 时间:
2014-10-29 14:37:46
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170
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...
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其他好文 时间:
2014-10-29 14:36:46
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217
linq中let关键字就是对子查询的一个别名,let子句用于在查询中添加一个新的局部变量,使其在后面的查询中可见。linq中let关键字实例1、传统下的子查询与LET关键字的区别C# 代码 复制static void Main(string[] args){ int[] numbers = n...
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其他好文 时间:
2014-10-29 14:30:10
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215
Given two numbers represented as strings, return multiplication of the numbers as a string.
Note: The numbers can be arbitrarily large and are non-negative.
public class Solution {
//模拟手算乘法
...
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编程语言 时间:
2014-10-29 09:14:28
阅读次数:
168
题目:Given a collection of numbers, return all possible permutations.For example,[1,2,3]have the following permutations:[1,2,3],[1,3,2],[2,1,3],[2,3,1],...
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其他好文 时间:
2014-10-29 01:57:39
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189
Given two binary strings, return their sum (also a binary string).For example,a ="11"b ="1"Return"100".思路简单(同Add Two Numbers),可从代码得知,需要注意字符在字符串中的插入;co...
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其他好文 时间:
2014-10-28 23:59:02
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343
UVA1406 - A Sequence of Numbers(树状数组)
题目链接
题目大意:
给定N个数字,给两种操作:C x: 把这N个数字都加上x。Q x:查询这N个数里面有多少个数字和2^x取且大于0.最后把每个查询的结果求和作为答案。
解题思路:
查询与2^x取且为1,那么就意味这那个符合要求的数的第x位要是1。
但是这里还有全部加上x的操作,可以用一个变量来记...
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编程语言 时间:
2014-10-28 20:06:33
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228
When working with variables that contain strings or numbers. There's often a need to join their values. Either to display directly on screen or to sto...
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其他好文 时间:
2014-10-28 13:37:01
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178