Problem Description There must be many A + B problems in our HDOJ , now a new one is coming.Give you two hexadecimal integers , your task is to calculate the sum of them,and print it in hexadecimal too.Easy ? AC it ! Input The input contains severa…
Calculate the sum of two integers a and b, but you are not allowed to use the operator + and -. Example: Given a = 1 and b = 2, return 3. Credits:Special thanks to @fujiaozhu for adding this problem and creating all test cases. 这道题是CareerCup上的一道原题,难道…
缩写原意: Overflow of = OV NV [No Overflow] Direction df = DN (decrement) UP (increment) Interrupt if = EI (enabled) DI (disabled) Sign sf = NG (negative) PL (positive) Zero zf = ZR [zero] NZ [ Not zero] Auxiliary Carry af = AC NA [ No AC ] Parity pf = P…
18.1 Write a function that adds two numbers. You should not use + or any arithmetic operators. 这道题让我们实现两数相加,但是不能用加号或者其他什么数学运算符号,那么我们只能回归计算机运算的本质,位操作Bit Manipulation,我们在做加法运算的时候,每位相加之后可能会有进位Carry产生,然后在下一位计算时需要加上进位一起运算,那么我们能不能将两部分拆开呢,我们来看一个例子759+674 1.…