WebPython:设置位计数(popcount),python,bit-manipulation,Python,Bit Manipulation,在我的数据库(Oracle11g)中,很少有blob被复制,使用UTL_RAW.BIT_XOR对blob执行异或操作。之后,我想计算二进制字符串中的设置位数,因此编写了上面的代码 在一个小实验中,我想看看产生的十六 ... WebJava 最快的两个数字符号比较,包括零,java,bit-manipulation,sign,zero,Java,Bit Manipulation,Sign,Zero,考虑到两个数字的符号可以是正、负或零,最快的方法是什么 通常,您可以说两个数字具有相同的符号: Math.signum(int1) == Math.signum(int2); 您可以使用以下方法对此进行优化: int1 ^ int2 >= 0; 然而,这是假设零是正的。
Bitwise Hacks for Competitive Programming - GeeksforGeeks
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