We can rotate digits by 180 degrees to form new digits. When 0, 1, 6, 8, 9 are rotated 180 degrees ...
原題鏈接在這里:https: leetcode.com problems confusing number ii 題目: We can rotate digits by degrees to form new digits. When , , , , are rotated degrees, they become , , , , respectively. When , , , and are ...
2020-02-29 13:14 0 1208 推薦指數:
We can rotate digits by 180 degrees to form new digits. When 0, 1, 6, 8, 9 are rotated 180 degrees ...
Given a number N, return true if and only if it is a confusing number, which satisfies the following condition: We can rotate digits by 180 ...
Single Number的加強班 有n個數字,除了一個只出現過一次,其他的都出現了3次! 出現兩次我們知道就是xor下就木有啦,那3次怎么搞? 我們還是用二進制位的方式來思考。 那么這些位,除去出現過一次的那個后,其他的都是3的倍數!- -我們把所有位1的個數mod 3,那么剩下 ...
Problem Description: A 2d grid map of m rows and n columns is initially filled with water. We may p ...
Given an array of integers, every element appears three times except for one. Find that single one. ...
原題地址:http://oj.leetcode.com/problems/single-number-ii/ 題意:Given an array of integers, every element appears three times except for one. Find ...
題目和上題類似,這里給的數組僅有一個數出現一次,其他的出現3次。返回那個出現一次的數。 這題還是比較難想到的。不想上一題只要異或一下就可以了,不用額外操作。 法一:還是用map方法 ...
題目: Given an array of integers, every element appears three times except for one. Find that single ...