问题描述： You're now a baseball game point recorder. Given a list of strings, each string can be one of the 4 following types: Integer (one round's score): Directly represents the number of points

682. Baseball Game You’re now a baseball game point recorder. Given a list of strings, each string can be one of the 4 following types: Integer (one round’s score): Directly represents the numb

文章目录 一、题目二、题解 一、题目 You are keeping the scores for a baseball game with strange rules. At the beginning of the game, you start with an empty record. You are given a list of strings operation

传送门 题意： 有一个含有n个元素的初始序列，现在定义一种排序方法——可以以任意顺序移动一个连续区间的元素，但每个元素移动和不能与移动前处于同一个位置。试问知识多少次可以将原数组排列成1~n的升序数列？ 思路： 因为排序方法是任意移动排序的，所有我们可以通过区间数来处理。找出位置不符的小区间cnt有多少个。若cnt == 0，说明原数组就是1~n的升序数列。若cnt == 1，说明只需要通