Answer to Question #347010 in C++ for johnson

Question

Create a 2D array of size m x n where m is the number of employees working and n is the

number of weekdays (mon – fri). Populate the array with the hours the employees have worked

for 1 week (random values between 5 and 10).

Answer 1

#include <iostream>
#include <ctime>
#include <string>
#include <iomanip>


std::string getDayOfWeek(int val);


int main()
{
    std::srand(std::time(nullptr));
    int employees{0}, weekdays{0};
    std::cout << "Enter the number of employees: ";
    std::cin >> employees;
    std::cout << "Enter the number of weekdays: ";
    std::cin >> weekdays;
    int* arr = new int[employees * weekdays];
    for (int employee = 0; employee <= employees; ++employee )
    {
        if (employee == 0)
            std::cout << std::setw(10) << ' ';
        else
            std::cout << "e" << employee - 1 << " ";
    }
    std::cout << std::endl;
    for (int day = 0; day < weekdays; ++day)
    {
        for (int empl = -1; empl < employees; ++empl)
        {
            if (empl == -1)
                std::cout << std::setw(9) << getDayOfWeek(day) << ' ';
            else{
                *(arr + day * weekdays + empl) = rand() % 6 + 5;
                std::cout << std::setw(2) <<*(arr + day * weekdays + empl) << ' ';
            }
        }
        std::cout << std::endl;
    }
    delete[] arr;
    return 0;
}


std::string getDayOfWeek(int val)
{
    switch (val % 5)
    {
    case 0: return "Monday";
    case 1: return "Tuesday";
    case 2: return "Wednesday";
    case 3: return "Thursday";
    case 4: return "Friday";        
    default:
        return "";
    }
}