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International Morse Code defines a standard encoding where each letter is mapped to a series of dots and dashes, as follows: "a" maps to ".-", "b" maps to "-...", "c" maps to "-.-.", and so on. For convenience, the full table for the 26 letters of the English alphabet is given below: [".-","-...","-.-.","-..",".","..-.","--.","....","..",".---","-.-",".-..","--","-.","---",".--.","--.-",".-.","...
Given an array of integers nums, sort the array in increasing order based on the frequency of the values. If multiple values have the same frequency, sort them in decreasing order. Return the sorted array. Example 1: Input: nums = [1,1,2,2,2,3] Output: [3,1,1,2,2,2] Explanation: '3' has a frequency of 1, '1' has a frequency of 2, and '2' has a frequency of 3. Example 2: Input: nums = [2,3,1,3,2]..
In English, we have a concept called root, which can be followed by some other word to form another longer word - let's call this word successor. For example, when the root "an" is followed by the successor word "other", we can form a new word "another". Given a dictionary consisting of many roots and a sentence consisting of words separated by spaces, replace all the successors in the sentence ..
Given a sorted array nums, remove the duplicates in-place such that duplicates appeared at most twice and return the new length. Do not allocate extra space for another array; you must do this by modifying the input array in-place with O(1) extra memory. Clarification: Confused why the returned value is an integer, but your answer is an array? Note that the input array is passed in by reference,..
Given a sentence text (A sentence is a string of space-separated words) in the following format: First letter is in upper case. Each word in text are separated by a single space. Your task is to rearrange the words in text such that all words are rearranged in an increasing order of their lengths. If two words have the same length, arrange them in their original order. Return the new text follow..
서버에서 5000포트를 열어두고 Flask로 API 개발을 하면서 로그를 확인하던 중 220.127.116.11 - - [19/Jan/2021 06:53:15] code 400, message Bad HTTP/0.9 request type ('\x03\x00\x00/*à\x00\x00\x00\x00\x00Cookie:') 18.104.22.168 - - [19/Jan/2021 06:53:15] "/*àCookie: mstshash=Administr" HTTPStatus.BAD_REQUEST - 22.214.171.124 - - [19/Jan/2021 06:53:16] code 400, message Bad HTTP/0.9 request type ('\x03\x00\x00/*à\x00\x00\x00\x0..
You are given a string text of words that are placed among some number of spaces. Each word consists of one or more lowercase English letters and are separated by at least one space. It's guaranteed that text contains at least one word. Rearrange the spaces so that there is an equal number of spaces between every pair of adjacent words and that number is maximized. If you cannot redistribute all..
서버에 접속하기 위해서 $ ssh -i ~/somjang/server_keys/server_key.pem email@example.com 위와 같이 접속을 시도하였으나 아래와 같은 오류가 발생하게 되었습니다. The authenticity of host '0.0.0.0 (0.0.0.0)' can't be established. ECDSA key fingerprint is SHA256:sdfkjdlskdjflskdjflksjdflskdjlskfjsdlkf. Are you sure you want to continue connecting (yes/no/[fingerprint])? yes Warning: Permanently added '0.0.0.0' (ECDSA) to the list of known hosts..