摘要：
https://oj.leetcode.com/problems/longest-common-prefix/Write a function to find the longest common prefix string amongst an array of strings.解题思路：这题属于... 阅读全文
摘要：
https://oj.leetcode.com/problems/palindrome-number/Determine whether an integer is a palindrome. Do this without extra space.click to show spoilers.So... 阅读全文
摘要：
https://oj.leetcode.com/problems/4sum/Given an arraySofnintegers, are there elementsa,b,c, anddinSsuch thata+b+c+d= target? Find all unique quadruplet... 阅读全文
摘要：
https://oj.leetcode.com/problems/3sum-closest/Given an arraySofnintegers, find three integers inSsuch that the sum is closest to a given number, targe... 阅读全文
摘要：
https://oj.leetcode.com/problems/3sum/Given an arraySofnintegers, are there elementsa,b,cinSsuch thata+b+c= 0? Find all unique triplets in the array w... 阅读全文