08 2020 档案
摘要：Leetcode.16 3Sum Closest Given an array nums of n integers and an integer target, find three integers in nums such that the sum is closest to target.
阅读全文
摘要：Leetcode.18 4Sum Given an array nums of n integers and an integer target, are there elements a, b, c, and d in nums such that a + b + c + d = target?
阅读全文
摘要：Leetcode.15 3Sum Given an array nums of n integers, are there elements a, b, c in nums such that a + b + c = 0? Find all unique triplets in the array
阅读全文
摘要：Leetcode.1 Two Sum 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
阅读全文
摘要：Leetcode.451 Sort Characters By Frequency Given a string, sort it in decreasing order based on the frequency of characters. Example 1: Input: "tree" O
阅读全文
摘要：Leetcode.205 Isomorphic Strings Given two strings *s* and *t*, determine if they are isomorphic. Two strings are isomorphic if the characters in *s* c
阅读全文
摘要：Leetcode.290 Word Pattern Given a pattern and a string str, find if str follows the same pattern. Here follow means a full match, such that there is a
阅读全文
摘要：Leetcode.202 Happy Number Write an algorithm to determine if a number n is "happy". A happy number is a number defined by the following process: Start
阅读全文
摘要：Leetcode.242 Valid Anagram Given two strings s and t , write a function to determine if t is an anagram of s. Example 1: Input: s = "anagram", t = "na
阅读全文
摘要：Leetcode.350 Intersection of Two Arrays II Given two arrays, write a function to compute their intersection. Example 1: Input: nums1 = [1,2,2,1], nums
阅读全文
摘要：Leetcode.76 Minimum Window Substring Given a string S and a string T, find the minimum window in S which will contain all the characters in T in compl
阅读全文
摘要：Leetcode.438 Find All Anagrams in a String Given a string s and a non-empty string p, find all the start indices of p's anagrams in s. Strings consist
阅读全文
摘要：Leetcode.3 Longest Substring Without Repeating Characters Given a string, find the length of the longest substring without repeating characters. Examp
阅读全文
摘要：Leetcode.209 Minimum Size Subarray Sum（ Java） Given an array of n positive integers and a positive integer s, find the minimal length of a contiguous
阅读全文
摘要：Leetcode.11 Container With Most Water Given n non-negative integers a1, a2, ..., an , where each represents a point at coordinate (i, ai). n vertical
阅读全文
摘要：Leetcode.345 Reverse Vowels of a String Write a function that takes a string as input and reverse only the vowels of a string. Example 1: Input: "hell
阅读全文
摘要：leetcode.344 Reverse String Write a function that reverses a string. The input string is given as an array of characters char[]. Do not allocate extra
阅读全文
摘要：Leetcode.125 Valid Palindrome Given a string, determine if it is a palindrome, considering only alphanumeric characters and ignoring cases. Note: For
阅读全文
摘要：leetcode.167 Two Sum II - Input array is sorted Given an array of integers that is already *sorted in ascending order*, find two numbers such that the
阅读全文
摘要：Leetcode.88 Merge Sorted Array Given two sorted integer arrays nums1 and nums2, merge nums2 into nums1 as one sorted array. Note: The number of elemen
阅读全文
摘要：Leetcode.215 Kth Largest Element in an Array Find the kth largest element in an unsorted array. Note that it is the kth largest element in the sorted
阅读全文
浙公网安备 33010602011771号