发布时间:2015-03-27 10:57:33
//Given an array of integers, find two numbers such that they add up to a specific target number.////The function twoSum should return indices of the two numbers such that they add up to the target, where index1 must be less than index2. Please note that your returned answers (both index1 and inde.........【阅读全文】
发布时间:2015-03-26 18:33:01
Design and implement a data structure for Least Recently Used (LRU) cache. It should support the following operations: get and set.get(key) - Get the value (will always be positive) of the key if the key exists in the cache, otherwise return -1.set(key, value) - Set o.........【阅读全文】
发布时间:2015-03-22 17:08:30
import java.util.ArrayList;import java.util.HashSet;import java.util.Set;//Given a string s and a dictionary of words dict, determine if s can be segmented into a space-separated sequence of one or more dictionary words.////For example, given//s = "leetcode",//.........【阅读全文】
发布时间:2015-03-22 17:07:31
import java.util.ArrayList;import java.util.Arrays;import java.util.List;public class threeSum {public static void main(String[] arg){int[] a=new int[]{0,0,0};System.out.print(threeSumSolution(a));}public static List<List<Integer>> threeSumSolution(int[] num) {List<List<Integer>> temp.........【阅读全文】
发布时间:2015-03-22 17:06:36
//Given an array of integers, every element appears twice except for one. Find that single one.////Note://Your algorithm should have a linear runtime complexity. Could you implement it without using extra memory?public class SingleNumber {public int singleNumber(int[] A) { .........【阅读全文】