You are climbing a stair case. It takes n steps to reach to the top. Each time you can either climb 1 or 2 steps. In how many distinct ways can you climb to the top? int climbStairs(int n) { int step[n]; int i = 0; if(n <= 2) return n; step[0] = 1; s…
Description: Given a string of numbers and operators, return all possible results from computing all the different possible ways to group numbers and operators. The valid operators are+, - and *. Example 1 Input: "2-1-1". ((2-1)-1) = 0 (2-(1-1))…
Given two sentences words1, words2 (each represented as an array of strings), and a list of similar word pairs pairs, determine if two sentences are similar. For example, words1 = ["great", "acting", "skills"] and words2 = [&…
1.创建mysql数据库.表.以及测试数据mysql> desc test;+-------+-------------+------+-----+---------+----------------+| Field | Type | Null | Key | Default | Extra |+-------+-------------+------+-----+---------+----------------+| id | int(11) | NO | PRI | NULL | auto…
Max Points on a Line Submission Details 27 / 27 test cases passed. Status: Accepted Runtime: 472 ms Submitted: 0 minutes ago Submitted Code Language: java Edit Code /** * Definition for a point. * class Point { * int x; * int y; * Point() {…
