昨天在leetcode做題的時候做到了371,原題是這樣的: 因為之前完全沒有在實際練習中使用過位運算,所以剛看到這道題目的時候我的第一反應是 1.用乘除代替加減,但是一想,覺得恐怕不行,因為乘除本質上也是加減法,不可能跳過加減法做運算。 2.然后又想到或許可以轉成二進制再用 ...
Calculate the sum of two integersaandb, but you arenot allowedto use the operator and . Example : Example : Credits:Special thanks to fujiaozhu for adding this problem and creating all test cases. 這道 ...
2016-07-01 08:43 10 18996 推薦指數:
昨天在leetcode做題的時候做到了371,原題是這樣的: 因為之前完全沒有在實際練習中使用過位運算,所以剛看到這道題目的時候我的第一反應是 1.用乘除代替加減,但是一想,覺得恐怕不行,因為乘除本質上也是加減法,不可能跳過加減法做運算。 2.然后又想到或許可以轉成二進制再用 ...
Given an array of integers, return indices of the two numbers such that they add up to a specific target. You may assume that each input would ...
題目描述 給定一個整數數組和一個目標值,找出數組中和為目標值的兩個數。 你可以假設每個輸入只對應一種答案,且同樣的元素不能被重復利用。 示例: 給定 nums = [2, 7, 11, 15], target = 9 因為 nums[0] + nums ...
題目是:Calculate the sum of two integers a and b, but you are not allowed to use the operator + and -. 思路:兩個數的加法分為兩步,對應位相加和進位。 舉個簡單的例子:997+24 ...
/strengthen/LeetCode➤原文地址:https://www.cnblogs.com/streng ...
題目要求 Given an array of integers, return indices of the two numbers such that they add up to a specific target. You may assume that each input ...
Given an array of integers that is already sorted in ascending order, find two numbers such that they add up to a specific target number.The ...
Given a Binary Search Tree and a target number, return true if there exist two elements in the BST such that their sum is equal to the given ...