the following regular expression(0+1)* (00+11) accept thelanguage ofall strings of 0's and 1's whoseO first and last symbol are thesame.all strings of 0's and 1's whoseO first two symbols are thesame.all strings of 0's and 1's whoselast two symbols are thesame.all strings of O's and 1's whoseO first and last symbol aredifferent.

We are given a regular expression and we are going to find out what language the given regular…

the following regular expression (0+1)* (00+11) accept the language of * all strings of 0's and 1's whose first and last symbol are the same. all strings of 0's and 1's whose first two symbols are the same. all strings of 0's and 1's whose O last two symbols are the same. all strings of 0's and 1's whose first and last symbol are different.

the following regular expression (0+1)* (00+11) accept the language of * all strings of 0's and 1's whose first and last symbol are the same. all strings of 0's and 1's whose first two symbols are the same. all strings of 0's and 1's whose O last two symbols are the same. all strings of 0's and 1's whose first and last symbol are different.

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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CodeW For fun X C Solved https://codeworkou... 臺亂 CodeWorkout X272: Recursion Programming Exercise: Is Reverse For function isReverse, write the two missing base case conditions. Given two strings, this function returns true if the two strings are identical, but are in reverse order. Otherwise it returns false. For example, if the inputs are "tac" and "cat", then the function should return true. Examples: isReverse("tac", "cat") -> true Your Answer: 1 public boolean isReverse(String s1, String s2) { 2. if > 3. 4. else if > return true; return false; 5. 6. else { String s1first = String s2last return s1first.equals (s2last) && 51. substring(0, 1); s2, substring(s2.length() 1); 7. 8. 6. isReverse(s1.substring(1), s2.substring(0, s2.length() 1)); { 12} 1:11AM 50°F Clear 12/4/2021
in c programing Write a program that takes in a positive integer as input, and outputs a string of 1's and 0's representing the integer in binary. For an integer x, the algorithm is: As long as x is greater than 0 Output x % 2 (remainder is either 0 or 1) x = x / 2 Note: The above algorithm outputs the 0's and 1's in reverse order. You will need to write a second function to reverse the string. Ex: If the input is: 6 the output is: 110 The program must define and call the following two functions. Define a function named IntToReverseBinary that takes an int named integerValue as the first parameter and assigns the second parameter, binaryValue, with a string of 1's and 0's representing the integerValue in binary (in reverse order). Define a function named StringReverse that takes an input string as the first parameter and assigns the second parameter, reversedString, with the reverse of inputString. void IntToReverseBinary(int integerValue, char binaryValue[])void StringReverse(char…
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Write a C++ program that stores a list of fruits enumerated in Fruits.txt in a STL list of strings. You need to solve the following problem: · output all the fruits in your STL list · output all fruits that start with letter smaller than ‘m’ · output all fruits that contain less than 6 character symbols · calculate the numeric sum of all letters in each fruit and store your answer in a histogram of length 10 where each element contains a value that is a multiple of 500(e.g. your histogram vector contains 10 values and each value represents the numeric value of each fruit (Note: the grand total of values in you histogram should be equal to the total number of fruits · take all the fruits in Fruits.txt and store the in a STL set<string> container · output all the (unique) fruits in Fruits.txt · output the total number of entries in your set Fruits.txt = {pina, naranja, melon, cereza, uva, ciruela, limon, frutabomba, aguacate, platano, manzana, fresa, lechuga, nuez, sandia, mango,…
Q1. Implement regular expression matching with support for '.' and '*'. '.' Matches any single character.'*' Matches zero or more of the preceding element. The matching should cover the entire input string (not partial). The function prototype should be:bool is_match(const char *s, const char *p) Some examples:is_match("aa","a") → falseis_match("aa","aa") → trueis_match("aaa","aa") → falseis_match("aa", "a*") → trueis_match("aa", ".*") → trueis_match("ab", ".*") → trueis_match("aab", "c*a*b") → true""" def is_match(str_a, str_b): """Finds if `str_a` matches `str_b` Keyword arguments: str_a -- string str_b -- string """ len_a, len_b = len(str_a) + 1, len(str_b) + 1 matches = [[False] * len_b for _ in range(len_a)] # Match empty string with empty pattern matches[0][0] = True # Match empty string with .* for i, element in enumerate(str_b[1:], 2): matches[0][i] = matches[0][i - 2] and element == '*' for i, char_a in enumerate(str_a, 1):…
PHP Write a wordFilter function Write a function wordFilter($str) that takes a string representing a sentence as a parameter. It should replace all occurrences of certain blacklisted words with asterisks of the same length and return the substituted sentence. The words “shoot” “darn” and “fudge” (case insensitive) are considered blacklisted. However, these words as part of a larger word should be left alone (e.g. overshoot is fine as it is). Use one or more regular expressions with replacements in your solutions (e.g. preg_replace).
Complete main() to read dates from input, one date per line. Each date's format must be as follows: March 1, 1990. Any date not following that format is incorrect and should be ignored. Use the substr() function to parse the string and extract the date. The input ends with -1 on a line alone. Output each correct date as: 3/1/1990. Ex: If the input is: March 1, 1990 April 2 1995 7/15/20 December 13, 2003 -1 then the output is: 3/1/1990 12/13/2003 main.cpp #include <iostream>#include <string> using namespace std; int DateParser(string month) {int monthInt = 0;if (month == "January")monthInt = 1;else if (month == "February")monthInt = 2;else if (month == "March")monthInt = 3;else if (month == "April")monthInt = 4;else if (month == "May")monthInt = 5;else if (month == "June")monthInt = 6;else if (month == "July")monthInt = 7;else if (month == "August")monthInt = 8;else if (month == "September")monthInt = 9;else if (month == "October")monthInt = 10;else if (month ==…
2. Implement function date that takes 4 inputs: a non-abbreviated weekday (as a string) a non-abbreviated month (as a string) a day in the month (a an integer) a year (as an integer) Function date() should return the complete date (as a string) using 3-characterabbreviations for the weekday and month and using the format shown below>>> date('Tuesday', 'October', 20, 2014)'Tue, Oct 20, 2014'>>> date('Thursday', 'May', 1, 2014)'Thu, May 1, 2014'
In loop functions.py, define a function named permutations that takes two paramters, n and r, in that order. This function returns the number of different permutations of length r from set of size n. Essentially to calculate these permutations, the function should compute the product (n - r+1)*(n-r+2)*(n-r+3)*...*(n-2)*(n-1) or n!/(n-r)!. No if statements or built in math functions should be used. For or while loops are best reccomended.
please code in python Write a function that receives a string as an input and returns the most frequent letter from the given string. Your solution should be case insensitive, so a capital letter (like A) and its non-capital version (a) should be counted as the same letter. In the given string there can be spaces as well, but your solution shouldn’t count spaces. If there are multiple letters with the same occurrence, you can decide which one to return.
: Given a string, write a function to check if it is a permutation ofa palindrome. A palindrome is a word or phrase that is the same forwards and backwards. Apermutation is a rearrangement of letters. The palindrome does not need to be limited to justdictionary words.EXAMPLEInput: Tact CoaOutput: True (permutations: "taco cat'; "atco eta·; etc.)
Write a recursive function that takes as a parameter a nonnegative integer and generates the following pattern of stars. If the nonnegative integer is 4, the pattern generated is as follows: **** *** ** * * ** *** **** Also, write a program that prompts the user to enter the number of lines in the pattern and uses the recursive function to generate the pattern. For example, specifying 4 as the number of lines generates the preceding pattern.