位运算加减乘除
2017-10-10 本文已影响0人
98Future
加法:
carry = 进位 = AND
xor = remains.
减法：
The~operator flipsallthe bits; the1s (4 of them) become0s, and the0s (N-4 of them) become1s
乘法：递归
加法:
carry = 进位 = AND
xor = remains.
减法：
The~operator flipsallthe bits; the1s (4 of them) become0s, and the0s (N-4 of them) become1s
乘法：递归
