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题目：There are n different online courses numbered from 1 to n. Each course has some duration(course length) t and closed on dth day. A course should be taken continuously for t days and must

题目：Given two integers n and k, find how many different arrays consist of numbers from 1 to n such that there are exactly k inverse pairs.We define an inverse pair as following: For ith and

题目：Given two words word1 and word2, find the minimum number of steps required to convert word1 to word2. (each operation is counted as 1 step.)You have the following 3 operations permitted on a word:a...

题目：Given a list of non negative integers, arrange them such that they form the largest number.出处：https://leetcode.com/problems/largest-number/description/ 大神的解法：    class Solution { pub...

题目： 出处：参考的解法： class Solution { public int superEggDrop(int K, int N) { int[][] memo = new int[K + 1][N + 1]; return helper(K, N, memo); } private int helper(int K,...