JumpGame:给定一个非负整数数组,开始在第一个位置,每个位置上的数字代表最大可以跳跃的步数,判断能不能跳到最后一个位置. 例如:A=[2,3,1,1,4],在位置0处,可以跳一步到位置1,位置1跳3步到位置4. public class JumpGame { public static boolean canJump(int[] a) { int reach = 0;//代表最多能到达的位置 int i = 0; //代表每次走一步能到达的位置 for(; i < a.length &…

/** * Source : https://oj.leetcode.com/problems/jump-game/ * * Created by lverpeng on 2017/7/17. * * 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…

Title : 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. Determine if you are able to reach the last index. For exam…

Description: 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. Determine if you are able to reach the last index. For…

[题目] 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. Determine if you are able to reach the last index. [举例] Exampl…

I: 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. Determine if you are able to reach the last index. For example:A…

/** * 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. Determine if you are able to reach the last index. For exampl…

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. Determine if you are able to reach the last index. For example:A = …

利用堆栈:http://oj.leetcode.com/problems/evaluate-reverse-polish-notation/http://oj.leetcode.com/problems/longest-valid-parentheses/ (也可以用一维数组,贪心)http://oj.leetcode.com/problems/valid-parentheses/http://oj.leetcode.com/problems/largest-rectangle-in-histo…

一直直到bug-free.不能错任何一点. 思路不清晰:刷两天. 做错了,刷一天. 直到bug-free.高亮,标红. 185,OA(YAMAXUN)--- (1) findFirstDuplicate string in a list of string. import java.util.HashSet; import java.util.Set; public class Solution { public static void main(String[] args) { String[…