摘要：
The string"PAYPALISHIRING"is written in a zigzag pattern on a given number of rows like this: (you may want to display this pattern in a fixed font for better legibility)P A H NA P L S I I GY I RAnd then read line by line:"PAHNAPLSIIGYIR"Write the code that will take a string and 阅读全文
摘要：
You are given two linked lists representing two non-negative numbers. The digits are stored in reverse order and each of their nodes contain a single digit. Add the two numbers and return it as a linked list.Input:(2 -> 4 -> 3) + (5 -> 6 -> 4)Output:7 -> 0 -> 8Solutions:/** * Defin 阅读全文
摘要：
Given an array of non-negative integers, you are initially positioned at the first index of the array.Each element in the array represents your maximum jump length at that position.Your goal is to reach the last index in the minimum number of jumps.For example:Given array A =[2,3,1,1,4]The minimum n 阅读全文
摘要：
Write a function to find the longest common prefix string amongst an array of strings.Solution:class Solution {public: string longestCommonPrefix(vector &strs) { int len = 0, n = strs.size(), MaxL = 0; if(n == 0) return ""; else if(n == 1) return strs[0]; for(i... 阅读全文