给定由 N 个小写字母字符串组成的数组 A,其中每个字符串长度相等. 选取一个删除索引序列,对于 A 中的每个字符串,删除对应每个索引处的字符. 所余下的字符串行从上往下读形成列. 比如,有 A = ["abcdef", "uvwxyz"],删除索引序列 {0, 2, 3},删除后 A 为["bef", "vyz"], A 的列分别为["b","v"], ["e",&…
We are given an array A of N lowercase letter strings, all of the same length. Now, we may choose any set of deletion indices, and for each string, we delete all the characters in those indices. For example, if we have an array A = ["babca",&quo…
We are given an array A of N lowercase letter strings, all of the same length. Now, we may choose any set of deletion indices, and for each string, we delete all the characters in those indices. For example, if we have an array A = ["abcdef",&qu…
题目如下: We are given an array A of N lowercase letter strings, all of the same length. Now, we may choose any set of deletion indices, and for each string, we delete all the characters in those indices. For example, if we have an array A = ["abcdef&quo…
We are given an array A of N lowercase letter strings, all of the same length. Now, we may choose any set of deletion indices, and for each string, we delete all the characters in those indices. For example, if we have an array A = ["abcdef",&qu…
We are given an array A of N lowercase letter strings, all of the same length. Now, we may choose any set of deletion indices, and for each string, we delete all the characters in those indices. For example, if we have a string "abcdef" and dele…
题目要求 We are given an array A of N lowercase letter strings, all of the same length. Now, we may choose any set of deletion indices, and for each string, we delete all the characters in those indices. For example, if we have an array A = ["abcdef"…
题目如下: We are given an array A of N lowercase letter strings, all of the same length. Now, we may choose any set of deletion indices, and for each string, we delete all the characters in those indices. For example, if we have an array A = ["babca"…
作者: 负雪明烛 id: fuxuemingzhu 个人博客: http://fuxuemingzhu.cn/ 目录 题目描述 题目大意 解题方法 日期 题目地址:https://leetcode.com/problems/delete-columns-to-make-sorted/description/ 题目描述 We are given an array A of N lowercase letter strings, all of the same length. Now, we may…
We are given an array A of N lowercase letter strings, all of the same length. Now, we may choose any set of deletion indices, and for each string, we delete all the characters in those indices. For example, if we have a string "abcdef" and dele…
题目如下: We are given an array A of N lowercase letter strings, all of the same length. Now, we may choose any set of deletion indices, and for each string, we delete all the characters in those indices. For example, if we have a string "abcdef" an…
class Solution: def minDeletionSize(self, A: List[str]) -> int: ans = 0 for j in range(len(A[0])): t = [] for a in A: t.append(a[j]) if sorted(t) != t: ans += 1 return ans…
function workList() { var status = $("#status1").val(); if (null == status || status == "") { status = $("select[name='status']").val(); } var workStatus; switch (status) { case '1'://待办 workStatus = [ { field: 'id111', width…
请点击页面左上角 -> Fork me on Github 或直接访问本项目Github地址:LeetCode Solution by Swift 说明:题目中含有$符号则为付费题目. 如:[Swift]LeetCode156.二叉树的上下颠倒 $ Binary Tree Upside Down 请下拉滚动条查看最新 Weekly Contest!!! Swift LeetCode 目录 | Catalog 序 号 题名Title 难度 Difficulty 两数之…
leetcode真的是一个学习阅读理解的好地方 860. 柠檬水找零 """ 因为用户支付的只会有5.10.20 对于10元的用户必须找一个5 对于20元的用户可以找(三个5)或者(一个10一个5),每次都从大的开始找起来 """ class Solution: def lemonadeChange(self, bills) -> bool: five = 0 ten = 0 for i in bills: if i == 5: five…
目录 ✅ 108. 将有序数组转换为二叉搜索树 描述 解答 py [tdo rev 0208]py知识:if not x: 和if x is not None:和if not x is None:使用 ✅ 344. 反转字符串 描述 解答 ✅ 944. 删列造序 描述 解答 when you use py: using zip when u use c: dive deep into 2d array ✅ 181. 超过经理收入的员工 描述 解答 sql 的 as ✅ 108. 将有序数组转换为…
1.根据条件查询数据库中数据,并返回数据条数 去掉count就会返回数据库中符合条件的所有数据 SELECT COUNT(*) FROM sentiment_info WHERE sentiment_source='海丝商报' AND sentiment_type='要闻' AND sentiment_source_id='1056162' 其他查询操作: desc LIMT 1 # id+0将字符串的id变成int类型,desc是降序,LIMT1只取1条select * from tab wh…
958. Check Completeness of a Binary Tree Given a binary tree, determine if it is a complete binary tree. Definition of a complete binary tree from Wikipedia:In a complete binary tree every level, except possibly the last, is completely filled, and al…
955. Delete Columns to Make Sorted II We are given an array A of N lowercase letter strings, all of the same length. Now, we may choose any set of deletion indices, and for each string, we delete all the characters in those indices. For example, if w…
# Title Solution Acceptance Difficulty Frequency 4 Median of Two Sorted Arrays 27.2% Hard 10 Regular Expression Matching 25.6% Hard 23 Merge k Sorted Lists 35.8% Hard 25 Reverse Nodes in k-Group 37.7% Hard …
先举几个可以删除掉文件和删除不掉文件的例子(先在F盘创建test1.txt文件,然后可以直接拷贝代码到IDE执行),最后总结下原因: 例子一:下面的例子毫无疑问是能够删除掉文件的 import java.io.File; import java.io.IOException; public class Test { public static void main(String[] args) throws IOException { File file = new File("F:/test1.…
