if L1={ab,b} L2={abb,bb} then LIL2= {ababb,abbb,abbab,bbab} O {ab,b,abb,bb} {ababb,abbb,babb,bbb} {abbab,abbb,bbab,bbb}
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- show agregation and compestion please*Java code* Implement a data structure called RunningTotal supporting the following API: a) RunningTotal() - creates an empty running-total data structure b) void add(int value) - adds the given value to the data structure c) void remove() - removes the least-recently added value d) int sum() - returns the sum of values in the data structure e) double average() - returns the average of values in the data structure Here's a Example: RunningTotal rt = new RunningTotal ();rt . add (1); // 1 ( adds 1 )rt . add (2); // 1 2 ( adds 2 )rt . add (3); // 1 2 3 ( adds 3 )rt . sum (); // 1 2 3 ( returns 6 )rt . add (4); // 1 2 3 4 ( adds 4 )rt . remove (); // 2 3 4 ( removes 1 )rt . sum (); // 2 3 4 ( returns 9 )rt . average (); // 2 3 4 ( returns 3.0 )(C Language) The Fibonacci sequence begins with 0 and then 1 follows. All subsequent values are the sum of the previous two, for example: 0, 1, 1, 2, 3, 5, 8, 13. Complete the Fibonacci() function, which takes in an index, n, and returns the nth value in the sequence. Any negative index values should return -1.
- IN C++ USING CLASS Write a program in C++ that implements the game tic-tac-toe: Tic-Tac-Toe is a game played on a three-by-three board. Two players, X and O, alternate in placing their respective marks in the cells of this board, starting with player X. If either player succeeds in getting three of his or her marks in a row, column, or diagonal, then that player wins. In this homework, you should use the OOP concepts to implement the tic-tac-toe gameSuppose you works in a library and have the id’s of 12 books as follows 2345 , 125 , 85 , 969 , 789 , 12 , 487 , 66 , 4556 , 48 , 7987 , 412 If you need to made a simple program a) Which data Structure will you chose in order to store these Book ID’s ? Justify your answer b) Does the physical arrangement of books and data structure you chose to store book ID’s have any link with each other? Chose either YES or NO and Give reason why your answer is YES and give reason if your answer is NO c) Write a C/C++ program that saves above ID’s in your chosen data structure d) [Connected with part c] Take integer value as an input that searches from values present in data structure and give output “FOUND” if value matches and, “ DID NOT FOUND” if value didn’t matches, Discuss the searching technique you used with reason Example: Input value: 125 Output: Found Input value: 9 Output: Not FoundAddition Rule Product Rule Log Exponent Rule Log Base Rule Transitivity In the following section, indicate what reference function (g(x)) we should use when attempting to prove that f(x) is O(g(x)). Use the rules and reference functions above to guide you. f(x)=n+log2n f(x)=n2+log n4 f(x)=n2∗n3 f(x)=n5/n2 f(x)=n∗(log n)∗n f(x)=n+n log n+log n
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- C++ PROGRAMMINGTopic: HashTable - PolyHash Quadratic Explain the c++ code below.: SEE ATTACHED PHOTO FOR THE PROBLEM INSTRUCTIONS It doesn't have to be long, as long as you explain what the important parts of the code do. (The code is already implemented and correct, only the explanation needed). You can also explain line by line for an upvote, thanks. EXPLAIN THE CODE BELOW: #include <cstdlib> #include <math.h> #include <cstring> #include <iostream> using namespace std; class HashTable { string* table; int N; int count; // TODO: Polynomial Hash Code using a=7 int hash_code(string key) { int code; int hash = 0; for (int i = 0; i < key.size(); i++) { char ch = key[i]; code += ((ch - 96) * pow(7, key.size() - (i + 1))); } return code; } // TODO: This hash table uses a MAD compression function // where a = 11, b = 461, p = 919 int compress(int code) { return (((11*code)+461) % 919) % N; }…In c++ The Fibonacci numbers are a series of numbers that exhibit the following pattern: 0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, … The series starts with 0 and 1, and each subsequent number in the series is the sum of the previous two numbers. The Fibonacci sequence, Fn, is defined by the following recurrence relation: Fn = Fn-1 + Fn-2 Where the initial values are F0 = 0 and F1 = 1. Write a program that prompts the user to enter in a positive integer N and generates the Nth Fibonacci number. Your main function should handle user input and pass that data to a function called Fib that takes integer N as input and returns the Nth Fibonacci number. Include the functions preconditions and postconditions as comments in your source code. Include some basic input validation to make sure the function’s preconditions are met before the function is called. Show your source code and a sample of your program output.Using comments in c explaining how each code works line by line. The whole program is given below. Don't delete anything. For example // #include calls upon the c library #include #define N 16 typedef int fix_matrix[N][N]; /* Set all diagonal elements to a[i] + val */ void fix_set_diag(fix_matrix A, int val) { for( int i=0;i