Calculate the sum of two integers a and b, but you are not allowed to use the operator <code>+</code> and <code>-</code>.
Example:
Given a = 1 and b = 2, return 3.
Credits:
解法一:
上面的解法可以精简到一行,哈哈,叼不叼?
解法二:
也可以写成迭代的样子,思路都是一样的~
解法三:
Calculate the sum of two integers a and b, but you are not allowed to use the operator <code>+</code> and <code>-</code>.
Example:
Given a = 1 and b = 2, return 3.
Credits:
解法一:
上面的解法可以精简到一行,哈哈,叼不叼?
解法二:
也可以写成迭代的样子,思路都是一样的~
解法三: