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Number of 1 Bits
https://leetcode.com/problems/number-of-1-bits/Write a function that takes an unsigned integer and returns the number of ’1' bits it has (also known a...
分类:其他好文   时间:2015-07-01 14:08:15    阅读次数:99
[Leetcode]-Reverse Bits
Reverse bits of a given 32 bits unsigned integer. 将uint数据按照二进制位倒序 For example, given input 43261596 (represented in binary as 00000010100101000001111010011100), return 964176192 (represented in binar...
分类:其他好文   时间:2015-06-26 15:05:59    阅读次数:170
How to convert a byte to its binary string representation
How to convert a byte to its binary string representationFor example, the bits in a byteBare10000010, how can I assign the bits to the stringstrlitera...
分类:其他好文   时间:2015-06-26 13:19:53    阅读次数:121
[Leetcode]-Number of 1 Bits
Number of 1 Bits Write a function that takes an unsigned integer and returns the number of ’1’ bits it has (also known as the Hamming weight).For example, the 32-bit integer ’11’ has binary represent...
分类:其他好文   时间:2015-06-26 12:54:20    阅读次数:104
Leetcode--easy系列8
#172  Factorial Trailing Zeroes   Given an integer n, return the number of trailing zeroes in n!. Note: Your solution should be in logarithmic time complexity. 一个很直观的想法是用递归求出n!然后/10 计算末...
分类:其他好文   时间:2015-06-25 17:30:33    阅读次数:115
Reverse Bits
Description:Reverse bits of a given 32 bits unsigned integer.For example, given input 43261596 (represented in binary as000000101001010000011110100111...
分类:其他好文   时间:2015-06-25 10:19:54    阅读次数:151
Number of 1 Bits
Description:Write a function that takes an unsigned integer and returns the number of ’1' bits it has (also known as theHamming weight).For example, t...
分类:其他好文   时间:2015-06-24 23:54:36    阅读次数:155
Uva - 12545 - Bits Equalizer
刚开始想了一个变换顺序,模拟进行操作,写了浩浩荡荡200多行最后WA了,感觉还是方法不对。。。后来从只能0变1,不能1变0入手,应该先满足上1下0的情况,其他的三种情况用简单的变换就可以了。 先用0-1和1-0进行配对,配对一次,交换S中的0和1。 如果没有0-1了,那就用?-1和1-0进行配对,先把?换成0,再执行上一步。 如果0-1和?-1都没有了,但是1-0还有,说明无解。 把上面的...
分类:其他好文   时间:2015-06-23 18:03:57    阅读次数:139
LeetCode Reverse Bits
Reverse bits of a given 32 bits unsigned integer.For example, given input 43261596 (represented in binary as 00000010100101000001111010011100), return 964176192 (represented in binary as00111001011110...
分类:其他好文   时间:2015-06-22 16:29:49    阅读次数:167
HackerRank - "2's complement"
This one is marked as "Advanced".. i don't tink so, not that hard if you can visualize all the bits from a to b. Two key points here:1. Say both a and...
分类:其他好文   时间:2015-06-18 11:24:22    阅读次数:104
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