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C++的深拷贝和浅拷贝 浅拷贝也叫位拷贝(bitwise assignment),意思就是将一个对象的内存映像按位原封不动的复制给另一个对象。如果字段是值类型的,则对该字段执行逐位复制;如果字段是引用类型,则复制引用但不复制引用的对象。 如果改变目标对象中引用型字段的值他将反映在原是对象中,也就是说 ...
分类:其他好文   时间:2016-06-13 18:40:08    阅读次数:125
LeetCode:Bitwise AND of Numbers Range
Bitwise AND of Numbers Range Total Accepted: 35825 Total Submissions: 115763 Difficulty: Medium Given a range [m, n] where 0 For example, given the range [5, 7], you should...
分类:其他好文   时间:2016-06-12 02:00:20    阅读次数:113
201. Bitwise AND of Numbers Range
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分类:其他好文   时间:2016-06-08 12:05:39    阅读次数:144
Codeforces Round #355 (Div. 2) C
Description While walking down the street Vanya saw a label "Hide&Seek". Because he is a programmer, he used & as a bitwise AND for these two words re ...
分类:其他好文   时间:2016-06-02 16:19:50    阅读次数:269
【Leetcode】Bitwise AND of Numbers Range
题目链接:https://leetcode.com/problems/bitwise-and-of-numbers-range/ 题目: Given a range [m, n] where 0 For example, given the range [5, 7], you should return 4. 思路: 32位整型,只需判断每一位在m~n之间是否有0存...
分类:其他好文   时间:2016-05-22 12:26:44    阅读次数:170
leetcode 201. Bitwise AND of Numbers Range(位运算,dp)
Given a range [m, n] where 0 <= m <= n <= 2147483647, return the bitwise AND of all numbers in this range, inclusive. For example, given the range [5, ...
分类:其他好文   时间:2016-04-25 06:41:47    阅读次数:103
leetCode191/201/202/136 -Number of 1 Bits/Bitwise AND of Numbers Range/Happy Number/Single Number
一:Number of 1 Bits 题目: Write a function that takes an unsigned integer and returns the number of ’1' bits it has (also known as the Hamming weight). F ...
分类:移动开发   时间:2016-04-23 16:18:48    阅读次数:261
LeetCode201 Bitwise AND of Numbers Range Java 题解
题目: Given a range [m, n] where 0 <= m <= n <= 2147483647, return the bitwise AND of all numbers in this range, inclusive. For example, given the range ...
分类:编程语言   时间:2016-03-31 14:13:41    阅读次数:190
sjtu oj 1201. SuperXOR
Description Pangzi recently realized that bitwise XOR operation is just an addition without carries. For example, when computing (1001)_2 XOR (1101)_2
分类:其他好文   时间:2016-03-12 14:42:01    阅读次数:197
JS魔法堂:再识Bitwise Operation & Bitwise Shift
Brief linkFly的《JavaScript-如果...没有方法》中提及如何手写Math.round方法,各种奇技淫招看着十分过瘾,最让我惊叹的是~~(x + 0.5 + (x >> 30)),完全通过加法和位运算搞定整数的四舍五入。...
分类:Web程序   时间:2016-01-20 11:12:57    阅读次数:233
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