Given the following set of code, select all C++ expressions:4₁#include #include #include #include "grocery_list_lib.h"// Returns an array of pair objects of item and amountstd::array, 5> create_grocery_list (){std::array, 5 grocery_list;std::string item;std::string item_amount;F3double amount;for(int i = 0; i < 5; i++){std::cout << "Enter item: "getline(std::cin, item);grocery_list[i].first = item;getline(std::cin, item_amount);std::stringstream(item_amount) >> amountgrocery_list[i].second = amount;}return grocery_list;}grocery_list[i].firststd::string item;item_amountreturn grocery_list;"Enter item:$44)RQ SearchDII%5TF56LOF6YF7&7UBOPrtScnF88HomeF99EndF10Po0

C++ is a widely used programming language known for its efficiency and versatility. It is commonly…

Answered: Given the following set of code, select…

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C++ programming task. main.cc file: #include <iostream>#include <map>#include <vector> #include "plane.h" int main() { std::vector<double> weights{3.2, 4.7, 2.1, 5.5, 9.8, 7.4, 1.6, 9.3}; std::cout << "Printing out all the weights: " << std::endl; // ======= YOUR CODE HERE ======== // 1. Using an iterator, print out all the elements in // the weights vector on one line, separated by spaces. // Hint: see the README for the for loop syntax using // an iterator, .begin(), and .end() // ========================== std::cout << std::endl; std::map<std::string, std::string> abbrevs{{"AL", "Alabama"}, {"CA", "California"}, {"GA", "Georgia"}, {"TX", "Texas"}}; std::map<std::string, double> populations{ {"CA", 39.2}, {"GA", 10.8}, {"AL", 5.1}, {"TX", 29.5}}; std::cout <<…
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initial c++ file/starter code: #include <vector>#include <iostream>#include <algorithm> using namespace std; // The puzzle will always have exactly 20 columnsconst int numCols = 20; // Searches the entire puzzle, but may use helper functions to implement logicvoid searchPuzzle(const char puzzle[][numCols], const string wordBank[],vector <string> &discovered, int numRows, int numWords); // Printer function that outputs a vectorvoid printVector(const vector <string> &v);// Example of one potential helper function.// bool searchPuzzleToTheRight(const char puzzle[][numCols], const string &word,// int rowStart, int colStart) int main(){int numRows, numWords; // grab the array row dimension and amount of wordscin >> numRows >> numWords;// declare a 2D arraychar puzzle[numRows][numCols];// TODO: fill the 2D array via input// read the puzzle in from the input file using cin // create a 1D array for wodsstring wordBank[numWords];// TODO:…
#include <iostream> #include <iomanip> #include <string> #include <vector> using namespace std; class Movie { private: string title = ""; int year = 0; public: void set_title(string title_param); string get_title() const; // "const" safeguards class variable changes within function string get_title_upper() const; void set_year(int year_param); int get_year() const; }; // NOTICE: Class declaration ends with semicolon! void Movie::set_title(string title_param) { title = title_param; } string Movie::get_title() const { return title; } string Movie::get_title_upper() const { string title_upper; for (char c : title) { title_upper.push_back(toupper(c)); } return title_upper; } void Movie::set_year(int year_param) { year = year_param; } int Movie::get_year() const { return year; } int main() { cout << "The Movie List program\n\n"…
In C++ Assume that a 5 element array of type string named boroughs has been declared and initialized. Write the code necessary to switch (exchange) the values of the first and last elements of the array.
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#include <iostream>#include <cstdlib>#include <time.h>#include <chrono> using namespace std::chrono;using namespace std; void randomVector(int vector[], int size){ for (int i = 0; i < size; i++) { //ToDo: Add Comment vector[i] = rand() % 100; }} int main(){ unsigned long size = 100000000; srand(time(0)); int *v1, *v2, *v3; //ToDo: Add Comment auto start = high_resolution_clock::now(); //ToDo: Add Comment v1 = (int *) malloc(size * sizeof(int *)); v2 = (int *) malloc(size * sizeof(int *)); v3 = (int *) malloc(size * sizeof(int *)); randomVector(v1, size); randomVector(v2, size); //ToDo: Add Comment for (int i = 0; i < size; i++) { v3[i] = v1[i] + v2[i]; } auto stop = high_resolution_clock::now(); //ToDo: Add Comment auto duration = duration_cast<microseconds>(stop - start); cout << "Time taken by function: " << duration.count()…