sp5.cpp

#include <iostream>
#include <iomanip>
#include <cstring>

class Sales{
    private:
        long int sales[4][5];
    public:
        Sales(){
            memset(sales, 0, sizeof sales);
        }

        void print(){
            long int total;
            std::cout << std::left << std::fixed;
            std::cout << std::setw(8) << "Sales" << std::setw(40) << "Products" << std::setw(8) << "Total" << '\n';
            for (int i = 0; i < 4; i++) {
                std::cout << std::setw(8) << i + 1;
                total = 0;
                for (int j = 0; j < 5; j++) {
                    std::cout << std::setw(8) << sales[i][j];
                    total += sales[i][j];
                }
                std::cout << std::setw(8) << total << '\n';
            }
        }

        void set(int sales_person, int product, long int total_sales){
            sales[sales_person][product] += total_sales;
        }

        bool valid(int sales_person, int product){
            if(!(sales_person >= 0 && sales_person <= 4) || !(product >= 0 && product <= 5)){
                return false;
            }else{
                return true;
            }
        }
};

int main(){
    Sales sales;
    char cont;
    int sales_person, product, week = 1;
    long int total_sales;
    do{
        while(true){
            std::cout << "Enter the salesperson, product, and total sales (Enter -1 for the salesperon to end input):\n";
            std::cin >> sales_person;
            if (sales_person != -1){
                std::cin >> product >> total_sales;
                if (sales.valid(sales_person - 1, product - 1)){
                    sales.set(sales_person - 1, product - 1, total_sales);
                }else{
                    std::cout << "Invalid salesperson or/and product!\n";
                }
            }else{
                break;
            }
        }
        std::cout << "Week " << week << '\n';
        sales.print();
        std::cout << "Continue (Y/n)? ";
        std::cin >> cont;
        week++;
    }while(cont == 'Y' || cont == 'y');
}