Hygeia

摘要： 题目：Suppose a sorted array is rotated at some pivot unknown to you beforehand.(i.e.,0 1 2 4 5 6 7might become4 5 6 7 0 1 2).You are given a target valu... 阅读全文

摘要： 题目：Given a sorted array and a target value, return the index if the target is found. If not, return the index where it would be if it were inserted in... 阅读全文

摘要： 题目：Given amxnmatrix, if an element is 0, set its entire row and column to 0. Do it in place.click to show follow up.Follow up:Did you use extra space?... 阅读全文

摘要： 题目Given an integern, generate a square matrix filled with elements from 1 ton2in spiral order.For example,Givenn=3,You should return the following mat... 阅读全文

摘要： 题目：Given a matrix ofmxnelements (mrows,ncolumns), return all elements of the matrix in spiral order.For example,Given the following matrix:[[ 1, 2, 3 ... 阅读全文

摘要： 1 import java.util.ArrayList; 2 import java.util.Arrays; 3 4 5 public class Combination { 6 7 public static ArrayList> combine(int n, int ... 阅读全文

摘要： 题目：Given two integersnandk, return all possible combinations ofknumbers out of 1 ...n.For example,Ifn= 4 andk= 2, a solution is:[ [2,4], [3,4], [2,... 阅读全文

摘要： 题目：Given a set of distinct integers,S, return all possible subsets.Note:Elements in a subset must be in non-descending order.The solution set must not... 阅读全文

摘要： 题目：Given an arraySofnintegers, find three integers inSsuch that the sum is closest to a given number, target. Return the sum of the three integers. Yo... 阅读全文

摘要： 1 import java.util.*; 2 import java.io.*; 3 import java.nio.file.*; 4 import java.lang.StringBuilder; 5 6 class FilePrep { 7 public static void ... 阅读全文