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原码反码补码转换器 反码 原码

原码、补码、反码之间是怎样转换的?反码如何计算

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原码、补码、反码之间是怎样转换的


正数的原码、反码、补码是一致的。(例如:2的原码:0000 0010,那么其反码和补码都是0000 0010)

负数的反码顾名思义,是除了符号位与原码一致,其余位都与原码相反。(例如:-2的原码是1000 0010,那么其反码是1111 1101),负数的补码则是在其反码的基础上加1。(例如:-2的反码是1111 1110)

1、首先,数字除了我们平时最长使用的十进制数外,还有二进制,八进制,十六进制等。这里我们的原码,补码,反码之间转换指的是二进制数。如下。

2、在二进制数中,数字的正负是根据首位是0还是1来判断的,如果首位是0,那么就是正数,首位是1就代表负数。如下图。

3、从原码到反码,如果该数为正数,也保持不变,如果首位是1,也就是说是负数,就将除了首位的1除外的所有数字取反。如下图所示。点击即可查看。

4、如果想要把原码转换成补码,对正数来说,补码与原码相同,对负数来说,之间将反码加1就可以得到补码,计算示例如下图所示。当然,我们还可以将补码转换为原码。如果是负数得到的补码,可以通过求该补码的补码来得到原来的原码。如下。-反码


反码如何计算


  1. 了解反码之前,先了解哈原码,原码就是最简单的机器数表示法。用最高位表示符号位,‘1’表示负号,‘0’表示正号。其他位存放该数的二进制的绝对值。十进制数(-2)的原码为1010.

  2. 正数的反码还是等于原码负数的反码就是他的原码除符号位外,按位取反

  3. 比如0111的反码还是0111.而1010的反码为1101.


表白代码html原码


原发布者:year哈喽酷狗

#include
#include
#include
#definestoptimeshort40
#definestoptimelong100
voidmain()
{
//////////////////
charch;
intf={0,1,1,1,1,1,0,0,0,0,0,0,1,1,0,0,0,0,0,1,1,0,0,0,0,0,1,0,0,0,0,0,0,0,0,1,
0,0,0,1,0,0,0,0,0,0,1,0,0,0,0,1,0,1,0,0,0,0,1,0,0,0,1,0,0,0,0,0,0,0,0,1,
0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,0,1,0,0,0,0,0,0,1,0,0,1,0,0,0,0,0,0,0,0,1,
0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,1,0,0,0,0,0,0,0,0,1,
0,0,0,1,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,1,0,0,0,0,0,0,0,0,1,
0,0,0,1,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,1,0,0,0,0,1,0,0,0,0,0,0,0,0,1,
0,0,0,1,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,1,
0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,1,0,1,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,1,0,
0,1,1,1,1,1,1,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0
;
ints={0,0,0,1,1,0,0,0,0,0,1,1,0,0,0,0,1,1,0,0,0,
0,1,0,0,0,0,1,0,1,0,0,0,0,1,0,0,0,0,0,1,0,
1,0,0,0,0,0,0,1,0,0,0,0,0,0,1,0,0,0,0,0,1,
1,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,1,
0,1,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,1,0,
0,0,1,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,1,0,0,
0,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,1,0,0,0,0,
0,0,0,0,0,0,1,0,1,0,0,0,1,0,1,0,0,0
-原码