IN C++, TRUE OR FALSE : The statement delete p; deallocates the dynamic array that is pointed to by p. In the statement cin >> y;, y can only be an int or double variable. In an output statement, the newline character may be part of the string. The extraction operator (>>) skips whitespace characters when searching for the next data in the input stream.
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IN C++, TRUE OR FALSE :
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- randdf.py -> using "sys.argv" Create a program called randdf.py that has a function that takes two integer arguments and prints a Pandas dataframe. The two arguments will correspond to the number of rows and number of columns, respectively. The dataframe should be filled with random integers from 0 to 100. Set your random seed to 56.Problem description Write a program that will read in a file of student academic credit data and create a list of students on academic warning. The list of students on warning will be written to a file. Each line of the input file will contain the student name (a single String with no spaces), the number of semester hours earned (an integer), the total quality points earned (a double). The program should compute the GPA (grade point or quality point average) for each student (the total quality points divided by the number of semester hours) then write the student information to the output file if that student should be put on academic warning. A student will be on warning if he/she has a GPA less than 1.5 for students with fewer than 30 semester hours credit, 1.75 for students with fewer than 60 semester hours credit, and 2.0 for all other students. Do the following:Problem description Write a program that will read in a file of student academic credit data and create a list of students on academic warning. The list of students on warning will be written to a file. Each line of the input file will contain the student name (a single String with no spaces), the number of semester hours earned (an integer), the total quality points earned (a double). The program should compute the GPA (grade point or quality point average) for each student (the total quality points divided by the number of semester hours) then write the student information to the output file if that student should be put on academic warning. A student will be on warning if he/she has a GPA less than 1.5 for students with fewer than 30 semester hours credit, 1.75 for students with fewer than 60 semester hours credit, and 2.0 for all other students. Do the following: 1. Create a text data file "students.dat". The following shows part of a typical data file: Smith 27 83.7 Jones 21 28.35…
- C++ Write a code segment that creates an ofstream object named outfile, opens a file named numfile.txt, and associates it with outfile. Then write the contents of the variable data to the file, followed by a newline, then close the file.C++ Provide a different implementation of ChoiceQuestion. Instead of storing the choices in a vector, the add_choice function should add the choice to the question text. For this purpose, an add_line function has been added to the Question class. Complete the following file: choicequestion.cpp Use the following files: choicequestion.h #ifndef CHOICEQUESTION_H #define CHOICEQUESTION_H #include <string> using namespace std; #include "question.h" class ChoiceQuestion : public Question { public: /** Constructs a choice question with a given text and no choices. @param question_text the text of this question */ ChoiceQuestion(string question_text); /** Adds an answer choice to this question. @param choice the choice to add @param correct true if this is the correct choice, false otherwise */ void add_choice(string choice, bool correct); private: int num_choices; }; #endif question.h #ifndef QUESTION_H #define QUESTION_H #include <string> using namespace std; class Question {…The symbol for the stream extraction operator is_______.
- Fix this code please #include <iostream> #include <iomanip> #include <fstream> #include <string> Using namespace std; //Structure to hold each menu item Struct Menultem. { String name; Double price; }; //Function that reads data from file Int getData(struct Menultem menuList[]) { //Opening file for reading Fstream fin("menu.txt", ios::in); Int i=0; Struct Menultem temp; //Loop till entire data is processed While(fin.good()) { //Getting name Getline(fin, temp.name); //Reading price Fin >> temp.price; Fin.ignore(); //Storing in array menuList[i] = temp; i++; } //Closing file Fin.close(); Return i; } //Function that displays menu Void showMenu(struct Menultem menuList[], int cnt) Int i; Cout<<"\n Welcome to the Programmers' Cafe \n\n-Today's Menu--------\n"; //Looping over menu and printing to user For(i=0; i<cnt; i++) { //Printing menu item Cout << fixed << setprecision(2]; Cout << "\n" << right <<setw(3) << (i+1)…Part II: Image Representation An image is an array, or a matrix, of pixels (picture elements) arranged in columns and rows. RGB is one of the models used in color pixels. In a color image, each RGB pixel is an integer number which contains the mixture of red, green and blue colors. In this assignment, you will be provided with an image data file, image.dat. The first line in data file contains the height (rows) and width (columns) of the image. The following lines gives the red, green and blue color integer values for each pixel. The following sample.dat is given as an example: (The given example can be seen on the picture down) According to this input file, the image has 4 rows and 2 columns. The pixel at [0][0] has red value 117, green value 117 and blue value 245. Write a Java program that reads from the given input file and creates an RGB image object with the given width and height. Then, it'll read red, green and blue color values for each pixel from data file, and calculate RGB…AI Free PDF Reader File Home www.freepdfsolutions.com 0/1 File Selection Zoom Page Layout Find Pages Task-1: Write a C++ program that lets a user enter decimal integers for calculating some statistics. Values entered should be stored in a vector object. The program should present a menu-driven approach in which the inputting Bookmarks Thumbnails process should continue as long as the user wants. The program should calculate the minimum, maximum, mean, median, and standard deviation. The program should first sort the list in increasing order to calculate the median. * The mean formula: i = ÷(E=1*i) * The standard deviation formula: s = E=1(xi-x)2 n-1 * For sorting the values entered, you should use the insertion-sort algorithm shown below. Insertion-Sort(a) for j e 2 to a.length do hold + a[j]I i + j-1 while i > 0 and a[i] > hold do a[i+1] + a[i] i + i-1 end-while a[i+1] € hold end-for 20:29 PDF WE EC TR ? 9 01.04.2021
- #include "Bank.h" #include <iostream>#include <fstream>#include <string>#include <vector> using namespace std; int main() { Account** accounts = new Account * [10]; ifstream infile; infile.open("bank2.txt"); if ( !infile ) cerr << "File cannot be opened" << endl; else cout << "File Opened" << endl; string operationType; int totalAccount = 0; while (infile >> operationType) { if (operationType == "Saving") { int id; double initialBalance, minimumBalance, annualInterestRate; infile >> id >> initialBalance >> minimumBalance >> annualInterestRate; Saving* savingAccount = new Saving(); savingAccount->setInterest(annualInterestRate); savingAccount->setMinBalance(minimumBalance); accounts[totalAccount] = savingAccount; accounts[totalAccount]->setID(id);…Rectangle's Length and Width Code in C language // WARNING: Do not add, remove, or change anything before the line 19 of this file.// Doing so will nullify your score for the activity. #include <stdio.h>#include "rectangle.h" int get_length(Rectangle *rect);int get_width(Rectangle *rect); int main() { int ur_x, ur_y, ll_x, ll_y; printf("UR's X: "); scanf("%d", &ur_x); printf("UR's Y: "); scanf("%d", &ur_y); printf("LL's X: "); scanf("%d", &ll_x); printf("LL's Y: "); scanf("%d", &ll_y); // TODO: Initialize the points here // Point ... // TODO: Initialize the rectangle here // Rectangle ... // TODO: Call the get_length here int len = ___; printf("\nLength: %d", len); // TODO: Call the get_width here int wid = ___; printf("\nWidth: %d", wid); return 0;} // TODO implement get_lengthint get_length(Rectangle *rect) { return 0;} // TODO implement get_widthint get_width(Rectangle *rect){ return 0;} refer to pics for instructionsC++ Add a search command that asks the user for a string and finds the first line that contains that string. The search starts at the first line currently displayed and stops at the end of the file. If the string is found, the line that contains it is displayed at the top. In case the user enters a string X that does not occur in the file, the program should print the error message: ERROR: string "X" was not found.