代码(Python3) classSolution:defdivide(self,dividend:int,divisor:int)->int:# 只有这种情况会出现溢出,# 因为 32 位有符号整数的范围是 [-(2 ^ 31), 2 ^ 31 - 1] ,# 此时结果为 2 ^ 31 ,超过了 32 位有妇好整数的最大值,# 需要返回 2 ^ 31 - 1 。ifdivisor==-1
https://leetcode.com/problems/divide-two-integers/ 题意分析: 不用乘法,除法和mod运算来实现一个除法。如果数值超过了int类型那么返回int的最大值。 题目思路: 初步来说,有两个做法。 ①模拟除法的过程,从高位开始除,不够先右挪一位。这种方法首先要将每一位的数字都先拿出来,由于最大int类型,所以输入的...
原题地址:https://oj.leetcode.com/problems/divide-two-integers/ 题意:Divide two integers without using multiplication, division and mod operator. 解题思路:不许用乘、除和求余实现两数的相除。那就只能用加和减了。正常思路是被除数一个一个的减除数,直到剩下的数比除数小为止,就得到了结果。这样是无法...
LeetCode 29. Divide Two Integers Description Given two integers dividend and divisor, divide two integers without using multiplication, division, and mod operator. The integer division should truncate toward zero, which means losing its fractional part. For example, 8.345 would be truncated to 8, a...
这题的核心是考递归,利用移位器乘二可以模拟除法,结果是一个二进制表示的数。递归的出口,还有最后结果的溢出需要特殊处理一下 Given two integers dividend and divisor, divide two integers without using mu…
29. Divide Two Integers刷题笔记 class Solution: def divide(self, dividend: int, divisor: int) -> int: positive = (dividend < 0) is (divisor < 0) dividend, divisor = abs(dividend), abs(divisor) res = 0 while dividend >= divisor:...
Divide two integers without using multiplication, division and mod operator. If it is overflow, return MAX_INT. class Solution(object): def divide(self, dividend, divisor): """ :type dividend: int :type divisor: int :rtype: int """ ...
29 Divide Two Integers 两数相除 Description: Given two integers dividend and divisor, divide two integers without using multiplication, division and mod operator. Return the quotient after dividing dividend by divisor. The integer division should truncate toward zero. ...
29. Divide Two Integers use bit manipulationclassSolution(object):defdivide(self,dividend,divisor):""" :type dividend: int :type divisor: int :rtype: int """divd=abs(dividend)divr=abs(divisor)result=0whiledivd>=divr:incr=divr i=0whiledivd>=incr:divd-=incr...
LeetCode 29 Divide Two Integers LeetCode 29 Divide Two Integers 题目大意:给你俩32位的数,不能用除法、乘法和模运算,让求出它们的商 分析: 题目意思挺容易理解的,难一点的地方就是不能用这些运算,所以就需要去考虑除法的本质。 我们知道,四则运算中乘法运算是加法的演化,或者说本质上可以通过加法来理解,...