difficulty专题

Automatic Educational Question Generation with Difficulty Level Controls

文章目录题目摘要简介相关工作问题表述实验用户研究结论题目具有难度级别控制的自动教育问题生成论文地址:https://link.springer.com/chapter/10.1007/978-3-031-36272-9_39 摘要我们考虑自动生成各种难度的数学应用题 (MWP)，以满足教师在相应教育阶段教学和测试学生的需求。现有方法无法生成高质

Understanding the difficulty of training deep feedforward neural networks (Xavier)

转自：http://blog.csdn.net/shuzfan/article/details/51338178 “Xavier”初始化方法是一种很有效的神经网络初始化方法，方法来源于2010年的一篇论文《Understanding the difficulty of training deep feedforward neural networks》可惜直到近两年，这个方法才逐渐得

poj 2151 Check the difficulty of problems

题目链接：点击打开链接 Description Organizing a programming contest is not an easy job. To avoid making the problems too difficult, the organizer usually expect the contest result satisfy the following two

Leet Code OJ 127. Word Ladder [Difficulty: Medium]-python

题目： 127. Word Ladder Medium Given two words (beginWord and endWord), and a dictionary's word list, find the length of shortest transformation sequence from beginWord to endWord, such that: Only on

Leet Code OJ 125. Valid Palindrome [Difficulty: Easy] -python

题目： 125. Valid Palindrome Easy Given a string, determine if it is a palindrome, considering only alphanumeric characters and ignoring cases. Note: For the purpose of this problem, we define empty

Leet Code OJ 98. Validate Binary Search Tree [Difficulty: Medium] -python

题目： 98. Validate Binary Search Tree Medium Given a binary tree, determine if it is a valid binary search tree (BST). Assume a BST is defined as follows: The left subtree of a node contains only n

Leet Code OJ 88. Merge Sorted Array [Difficulty: Easy] -python

题目： 88. Merge Sorted Array Easy Given two sorted integer arrays nums1 and nums2, merge nums2 into nums1 as one sorted array. Note: The number of elements initialized in nums1 and nums2 are m and

Leet Code OJ 73. Set Matrix Zeroes [Difficulty: Medium] -python

题目 73. Set Matrix Zeroes Given an m x n matrix. If an element is 0, set its entire row and column to 0. Do it in-place. Follow up: A straight forward solution using O(mn) space is probably a bad i

Leet Code OJ 70. Climbing Stairs [Difficulty: Easy] -python

爬楼梯问题： 70. Climbing Stairs Easy 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

Leet Code OJ 56. Merge Intervals [Difficulty: Medium] -Python

56. Merge Intervals 【Medium】 Given a collection of intervals, merge all overlapping intervals. Example 1: Input: intervals = [[1,3],[2,6],[8,10],[15,18]]Output: [[1,6],[8,10],[15,18]]Explanation

CF78A Haiku (Difficulty:800)

题目链接 Problem - 78A - CodeforcesCodeforces. Programming competitions and contests, programming communityhttps://codeforces.com/problemset/problem/78/A 题意俳句是日本传统诗歌的一种。一首俳句由17个音节组成，分为三个短语，分别包含5、7和5