leetcode:Palindrome Number【Python版】
一次AC 题目要求中有空间限制,因此没有采用字符串由量变向中间逐个对比的方法,而是采用计算翻转之后的数字与x是否相等的方法; 1 class Solution: 2 # @return a boolean 3 def isPalindrome(self, x): 4 o = x 5 ret = 0 6 flag = ...
leetCode 179. Largest Number 字符串排序 | Medium | lambda表达式
179. Largest Number Given a list of non negative integers, arrange them such that they form the largest number. For example, given [3, 30, 34, 5, 9], the largest formed number is 9534330. No...
Leetcode 447. Number of Boomerangs JAVA语言
1 2 3 4 Given n points in the plane that are all pairwise distinct, a "boomerang" is a tuple of points (i,&nbs...
Leetcode 476. Number ComplementJAVA语言
1 2 3 4 5 6 7 8 9 10 Given a positive integer, output its complement number. The complement strategy is to flip the bits ...
Leetcode264. Ugly Number II JAVA语言
1 2 3 Write a program to find the n-th ugly number. Ugly numbers are positive numbers whose prime factors only incl...
Leetcode 263. Ugly Number JAVA语言
1 2 3 Write a program to check whether a given number is an ugly number. Ugly numbers are positive numbers whose&nb...
Leetcode 137. Single Number II JAVA语言
1 2 3 Given an array of integers, every element appears three times except for one, which appears exactly once. Fin...
Leetcode 260. Single Number III JAVA语言
1 2 3 4 5 6 Given an array of numbers nums, in which exactly two elements appear only once and all the other e...
leetcode 452. Minimum Number of Arrows to Burst Balloons
1 2 3 4 5 There are a number of spherical balloons spread in two-dimensional space. For each balloon, provided input is&...
[LeetCode] Valid Triangle Number 合法的三角形个数
Given an array consists of non-negative integers, your task is to count the number of triplets chosen from the array that can make triangles if we take them as side lengths of a triangle. Example 1: ....
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