For the following problem, we will use string notation. If A is a set of symbols or characters, the elements ofA" can be written without the usual punctuation (parentheses and commas) used for ordered n-tuples. Forexample, if A = {x, y), the set A² would be {xx, xy, yx, yy}. The sequence of characters is called a string.NOTE: you will use this a lot in the next theory class, CS 301.a Given A = {u}, B = {i, c}, and C = {u,i,!}, find the result of the set expression: AUBUC.b Find the result of the set expression: A × (BUC)c Fill in the blank of a triple Cartesian product that makes the following statement true: uic € (XxY × Z)? HINT: Your answer should be a triple Cartesian product with combination of A, B, and/orC. There are four ways to write this, please include at least two of the different ways in your answer.d Find the result of the set expression: P(A x B)e Find U B; andf Find UA; and₁ B; where B₁ = {iº, i², i²)} for all positive integers i.₁₁A; where A₁ = {...,-4,-2i, 0,2i, 4i,...} for all positive integers i.

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Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Computer Science This is a codingbat problem. Please answer in Java and do not change the starter code. You have been asked to write the game of tic tac toe. In the first version of the game, we will only be comparing horizontally for a win. A win is determine by all of the elements in a row either being an X or an O. You need to return a String with the winner or TIE if there is no winner. ticTacToe(["X", "O", "O"], ["X", "O", "O"], ["X", "X", "X"]) → "X"ticTacToe(["X", "O", "X"], ["X", "X", "O"], ["O", "O", "O"]) → "O"ticTacToe(["X", "O", "X"], ["X", "X", "O"], ["O", "X", "O"]) → "TIE" public String ticTacToe(String[] top, String[] middle, String[] bottom) { }
Correct answer will be upvoted else Multiple Downvoted. Computer science. You are given a string s, consisting of brackets of two types: '(', ')', '[' and ']'. A string is called a regular bracket sequence (RBS) if it's of one of the following type empty strin '(' + RBS + ')' '[' + RBS + ']' RBS + RBS where plus is a concatenation of two strings In one move you can choose a non-empty subsequence of the string s (not necessarily consecutive) that is an RBS, remove it from the string and concatenate the remaining parts without changing the order What is the maximum number of moves you can perfor Input The first line contains a single integer t (1≤t≤1000) — the number of testcases Each of the next t lines contains a non-empty string, consisting only of characters '(', ')', '[' and ']'. The total length of the strings over all testcases doesn't exceed 2⋅10 Output For each testcase print a single integer — the maximum number of moves you can perform on a given string…
Do it in python language. fast
Correct answer will be upvoted else downvoted. Computer science. section grouping is a string containing just characters "(" and ")". A standard section succession is a section grouping that can be changed into a right number juggling articulation by embedding characters "1" and "+" between the first characters of the arrangement. For instance, section successions "()()" and "(())" are normal (the subsequent articulations are: "(1)+(1)" and "((1+1)+1)"), and ")(", "(" and ")" are not. You need to find a string b that comprises of n characters to such an extent that: b is a standard section grouping; in the event that for some I and j (1≤i,j≤n) ai=aj, bi=bj. As such, you need to supplant all events of 'A' with a similar kind of section, then, at that point, all events of 'B' with a similar sort of section and all events of 'C' with a similar sort of section. Your undertaking is to decide whether such a string b exists. Input The primary line contains a solitary…
Question 4 You will be given a String S which contains only two characters - A and B. Your task is to find some substring patten P in that string. The pattern P is - a substring will contain an equal number of A and B in each side. For example, in AABAABBAA, we get AB, AABB, BA, BBAA. In this problem, you have to print each pattern P present in the string S along with their frequency. Finally, print the largest pattern P. If there are multiple largest patterns, print the one that came first. Sample Input I. AABAABBAА Sample Output AB - 2 times BA - 2 times AABB - 1 times BBAA - 1 times Longest Pattern -AABB
In Python, with use of function and input parsing/ Make a method is_anagram_of(a,b) that tests if a is an anagram of b. A string a is an anagram of a string b, if it uses exactly the same letters, but the order can be different. Spaces are ignored, as well as capitalization. Examples of anagrams: "eleven plus two" - "twelve plus one" "William Shakespeare" - "I am a weakish speller" "Tom Marvolo Riddle" - "I am Lord Voldemort" "Anagrams" - "Ars manga" "television ads" - "enslave idiots" Counter examples: "bla" - "aalb" "cat" - "tact" Hint: Make a dictionary that holds how often a letter occurs in a word.
Correct answer will be upvoted else downvoted. Assume you are given two strings an and b. You can apply the accompanying activity quite a few times: pick any adjacent substring of an or b, and sort the characters in it in non-dropping request. Let f(a,b) the base number of activities you need to apply to make them equivalent (or f(a,b)=1337 in case it is difficult to make an and b equivalent utilizing these tasks). For instance: f(ab,ab)=0; f(ba,ab)=1 (in one activity, we can sort the entire first string); f(ebcda,ecdba)=1 (in one activity, we can sort the substring of the subsequent string beginning from the 2-nd character and finishing with the 4-th character); f(a,b)=1337. You are given n strings s1,s2,… ,sk having equivalent length. Compute ∑i=1n∑j=i+1nf(si,sj). Input :The principal line contains one integer n (1≤n≤2⋅105) — the number of strings. Then, at that point, n lines follow, each line contains one of the strings si, comprising of lowercase Latin…
Let s be a string of length 2 with characters from {0, 1, 2}, and define statements a, b, c, and d as follows:a = “the first character of s is 0”b = “the first character of s is 1”c = “the second character of s is 1”d = “the second character of s is 2”. Describe the set of all strings for which each of the following is true.
Write BNF rules that matches only a string that is in the form of a capitalized title (as in a book or movie titles). Such titles may be made up of one or more words (letters only), separated by single spaces (no leading or trailing spaces). Each word must begin with a capital letter and the rest of the letters must be lowercase. For example, these are legal titles: “Jaws”, “No Country For Old Men”. On the other hand, these titles would not be legal: “ET”, “500 Days Of Summer”, “in bruge”, “Lethal weapon”. Using the “No Country For Old Men” input, show the parse tree of your grammar
L={a"b"a" | n,m=1,2,3....} is given. ni m n Draw the derivation tree for the string aaaabbbaaaa.
DescriptionA researcher is analyzing DNA. A DNA can be represented as a string composed of the characters A, G, C, or T.One day, researchers found a strange DNA, which is Smooth Repeated DNA. The DNA is represented by a string that has infinite length. The string has a repeating pattern, i.e. the DNA string 0 is repeated an infinite number of times. For example, if0 = "????", then = "???????????? . . . ".According to researchers, a DNA is said to be special if it contains substrings . Determine whetheris a substring of . Squad FormatA line containing the two strings 0 and . Output FormatA line that determines whether it is a substring of . Issue “YES” ifis a substring of . Output “NO” otherwise. Example Input and Output Input Example Example Output AGCT GC YES AGCT TA YES AGCT GT No AGCT TAGCTAGCT YES AGGACCTA CTAA YES Explanation ExampleIn the first to fourth test case examples, is worth "???????????? . . . ". The part in bold is one of the…
Computer Science You must count the number of strings of length 6 over the alphabet A = {x, y, z}. Any string of length 6 can be considered as a 6-tuple. For example, the string xyzy can be represented by the tuple (x,y,z,y). So the number of strings of length 6 over A equals the number of 6-tuples over A, which by product rule is N. Find N. (Use the following product rule for any finite set A and any natural number n : |A^n|=|A|^n)

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