littledy

2020年3月30日

摘要： Problem : Given a string, your task is to count how many palindromic substrings in this string. The substrings with different start indexes or end ind 阅读全文

posted @ 2020-03-30 16:41 littledy 阅读(94) 评论(0) 推荐(0)

215. Kth Largest Element in an Array

摘要： Problem : Find the kth largest element in an unsorted array. Note that it is the kth largest element in the sorted order, not the kth distinct element 阅读全文

posted @ 2020-03-30 15:25 littledy 阅读(76) 评论(0) 推荐(0)

448. Find All Numbers Disappeared in an Array

摘要： Problem : Given an array of integers where 1 ≤ a[i] ≤ n (n = size of array), some elements appear twice and others appear once. Find all the elements 阅读全文

posted @ 2020-03-30 01:00 littledy 阅读(80) 评论(0) 推荐(0)

2020年3月29日

287. Find the Duplicate Number

摘要： Problem : Given an array nums containing n + 1 integers where each integer is between 1 and n (inclusive), prove that at least one duplicate number mu 阅读全文

posted @ 2020-03-29 23:18 littledy 阅读(77) 评论(0) 推荐(0)

283. Move Zeroes

摘要： Problem : Given an array nums, write a function to move all 0's to the end of it while maintaining the relative order of the non zero elements. Exampl 阅读全文

posted @ 2020-03-29 23:03 littledy 阅读(68) 评论(0) 推荐(0)

234. Palindrome Linked List

摘要： Problem : Given a singly linked list, determine if it is a palindrome. Example 1: Example 2: Follow up: Could you do it in O(n) time and O(1) space? 思阅读全文

posted @ 2020-03-29 22:54 littledy 阅读(65) 评论(0) 推荐(0)

202. Happy Number

摘要： Problem : Write an algorithm to determine if a number is "happy". A happy number is a number defined by the following process: Starting with any posit 阅读全文

posted @ 2020-03-29 22:33 littledy 阅读(85) 评论(0) 推荐(0)

217. Contains Duplicate

摘要： Problem : Given an array of integers, find if the array contains any duplicates. Your function should return true if any value appears at least twice 阅读全文

posted @ 2020-03-29 21:55 littledy 阅读(78) 评论(0) 推荐(0)

169. Majority Element

摘要： Problem : Given an array of size n, find the majority element. The majority element is the element that appears more than times. You may assume that t 阅读全文

posted @ 2020-03-29 16:47 littledy 阅读(68) 评论(0) 推荐(0)

160. Intersection of Two Linked Lists

摘要： Problem : 思路： Solution (C++) : 性能： Runtime: 932 ms Memory Usage: 14.8 MB 思路： Solution (C++) : 性能： Runtime: ms Memory Usage: MB 阅读全文

posted @ 2020-03-29 16:32 littledy 阅读(76) 评论(0) 推荐(0)

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