iyangdi的博客

题目 如何找到两只仓鼠的血缘关系。没有预定义任何数据结构，只是让你写一个函数来做。有能力对问题进行建模，然后快速而高质量地编码 分析 （1）构造血缘图 （2）运用dfs，看能不能找到从仓鼠a到仓鼠b的路径，有则说明有血缘，无则说明无血缘 代码 package com.graph; import java.util.*; public cl

Given a list of airline tickets represented by pairs of departure and arrival airports [from, to], reconstruct the itinerary in order. All of the tickets belong to a man who departs from JFK. Thus

Equations are given in the format A / B = k, where A and B are variables represented as strings, and k is a real number (floating point number). Given some queries, return the answers. If the answ

LintCode：Link Given a string s, partition s such that every substring of the partition is a palindrome. Return all possible palindrome partitioning of s. Have you met this question in a r

LeetCode链接 Given a 2d grid map of '1's (land) and '0's (water), count the number of islands. An island is surrounded by water and is formed by connecting adjacent lands horizontally or vert