We can rotate digits by 180 degrees to form new digits. When 0, 1, 6, 8, 9 are rotated 180 degrees ...
Given a numberN, returntrueif and only if it is aconfusing number, which satisfies the following condition: We can rotate digits by degrees to form new digits. When , , , , are rotated degrees, they ...
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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 180 degrees to form new digits. When ...
Given an array containing n distinct numbers taken from 0, 1, 2, ..., n, find the one that is mis ...
Validate if a given string can be interpreted as a decimal number. Some examples:"0" => true" 0.1 " => true"abc" => false"1 a" => ...
We define the Perfect Number is a positive integer that is equal to the sum of all its positive divisors except itself. Now, given an integer n ...
Given a non-empty array of integers, every element appears twice except for one. Find that single ...
Determine whether an integer is a palindrome. An integer is a palindrome when it reads the same b ...
Given an array of numbers nums, in which exactly two elements appear only once and all the other ...