get nullptr'd lol
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@@ -14,7 +14,9 @@
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#include <iostream>
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#include <tuple>
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#include <cmath>
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#include <boost/algorithm/string.hpp>
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#include <regex>
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#include <vector>
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using namespace std;
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/*
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@@ -26,7 +28,7 @@ int milesPerGallon(int gallons, int milesDriven) {
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}
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std::tuple<double, double> maleFemalePercentages(int maleStudents, int femaleStudents) {
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int totalStudents = maleStudents + femaleStudents;
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int totalStudents = maleStudents + femaleStudents;
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double malePercentage = (double) maleStudents / totalStudents;
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double femalePercentage = (double) femaleStudents / totalStudents;
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return {malePercentage, femalePercentage};
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@@ -36,7 +38,147 @@ double celciusToFahrenheit(double celcius) {
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return 9.0 / 5.0 * celcius + 32.0;
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}
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double monthlySalesTax(int month, int year, double total) {
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std::string getMonthName(int month) {
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std::string returnString = "";
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switch (month) {
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case 1:
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returnString = "January";
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break;
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case 2:
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returnString = "February";
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break;
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case 3:
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returnString = "March";
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break;
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case 4:
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returnString = "April";
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break;
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case 5:
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returnString = "May";
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break;
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case 6:
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returnString = "June";
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break;
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case 7:
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returnString = "July";
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break;
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case 8:
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returnString = "August";
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break;
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case 9:
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returnString = "September";
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break;
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case 10:
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returnString = "October";
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case 11:
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returnString = "November";
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break;
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case 12:
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returnString = "December";
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break;
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}
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return returnString;
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}
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void prettyPrintSalesTax(int month, int year, int total, double totalIncome, double stateSalesTax, double countySalesTax, double totalSalesTax) {
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printf("%s %d\n", getMonthName(month).c_str(), year);
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printf("---------------------------------------\n");
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printf("Total collected:%*c$ %.2f\n", 5, totalIncome);
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printf("Sales:%*c$ %.2f\n", 16, stateSalesTax);
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printf("County Sales tax:%*c$ %.2f\n", 5, countySalesTax);
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printf("Total sales tax:%*c$ %.2f\n", 6, totalSalesTax);
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}
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void monthlySalesTax(int month, int year, double total) {
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double totalIncome = total / 1.06;
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double stateSalesTax = total * 0.04;
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double countySalesTax = total * 0.02;
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double totalSalesTax = stateSalesTax + countySalesTax;
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prettyPrintSalesTax(month, year, total, totalIncome, stateSalesTax, countySalesTax, totalSalesTax);
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}
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bool is_integer(const std::string & s) {
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return std::regex_match(s, std::regex("[-+]?[0-9]+"));
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}
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void mathTutor() {
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string userInput = "";
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int rand1, rand2 = 0;
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do {
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cout << "Enter Q/q to quit." << endl;
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rand1 = (rand() % 100);
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rand2 = (rand() % 100);
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cout << "What's " << rand1 << " + " << rand2 << "?" << endl;
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cin >> userInput;
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boost::algorithm::to_lower(userInput);
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if (is_integer(userInput)) {
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if (rand1 + rand2 == stoi(userInput)) {
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cout << "You are correct!" << endl;
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} else {
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cout << "Sorry, the answer is " << (rand1 + rand2) << ". Try again." << endl;
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}
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}
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} while (userInput.compare("q") != 0);
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}
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void prettyPrintMonthlyPayments(double payment, double rate, double numOfPayments, double loanAmount, double annualRate, double amountPaid, double amountPaidBack) {
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printf("---------------------------------------\n");
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printf("Loan amount:%*c$ %.2f\n", 15, loanAmount);
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printf("Monthly Interest Rate:%*c%.0f%%\n", 14, rate);
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printf("Number of Payments:%*c%.0f\n", 17, numOfPayments);
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printf("Monthly Payment:%*c$ %.2f\n", 12, payment);
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printf("Amount Paid Back:%*c$ %.2f\n", 11, amountPaidBack);
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printf("Interest Paid:%*c$ %.2f\n", 14, amountPaid);
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}
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void monthlyPayments(double annualRate, double numOfPayments, double loanAmount, double amountPaid, double amountPaidBack) {
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double rate = (annualRate / 12.0);
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double topHalf = rate * pow((1.0 + rate), numOfPayments);
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double bottomHalf = pow((1.0 + rate), numOfPayments) - 1.0;
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double payment = (topHalf / bottomHalf) * loanAmount;
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prettyPrintMonthlyPayments(payment, rate, numOfPayments, loanAmount, annualRate, amountPaid, amountPaidBack);
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}
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// Function to replace placeholders in the story with user inputs
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std::string replacePlaceholders(const std::string& story, const std::vector<std::string>& inputs) {
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std::string result = story;
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std::regex placeholderRegex("<([^>]+)>");
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auto inputIter = inputs.begin();
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for (std::sregex_iterator iter(story.begin(), story.end(), placeholderRegex), end; iter != end; ++iter) {
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const std::string& placeholder = iter->str();
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if (inputIter != inputs.end()) {
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result.replace(result.find(placeholder), placeholder.length(), *inputIter);
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++inputIter;
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} else {
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// Handle the case where there are more placeholders than inputs
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break;
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}
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}
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return result;
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}
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void madLib() {
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string storyTemplate = "There once was a person named <name> who lived in <city>. At the age of <age>, <name> went to a collage at <college>. <Name> graduated and went to work as a <profession>. Then, <name> adopted a(n) <animal> named <pet name>. They both lived happily ever after!";
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std::regex placeholderRegex("<([^>]+)>");
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std::vector<std::string> placeholders;
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for (std::sregex_iterator iter(storyTemplate.begin(), storyTemplate.end(), placeholderRegex), end; iter != end; ++iter) {
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placeholders.push_back(iter->str());
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}
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std::vector<std::string> inputs;
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for (const auto& placeholder : placeholders) {
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std::string input;
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std::cout << "Enter " << placeholder << ": ";
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std::getline(std::cin, input);
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inputs.push_back(input);
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}
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// Replace placeholders with user inputs and print the complete story
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std::string completedStory = replacePlaceholders(storyTemplate, inputs);
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std::cout << "Completed story:\n" << completedStory << std::endl;
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}
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@@ -45,14 +187,16 @@ int main(int argc, char** argv) {
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int maleStudents, femaleStudents = 0;
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//double malePercentage, femalePercentage = 0.0;
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cout << "Enter the number of male students, followed by the number of female students: ";
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cin >> maleStudents >> femaleStudents;
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auto [malePercentage, femalePercentage] = maleFemalePercentages(maleStudents, femaleStudents);
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cout << "The ratio of male to female students is " << setprecision(2) << (malePercentage * 10) << "/" << setprecision(2) <<(femalePercentage * 10) << endl;
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//cin >> maleStudents >> femaleStudents;
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//auto [malePercentage, femalePercentage] = maleFemalePercentages(maleStudents, femaleStudents);
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//cout << "The ratio of male to female students is " << setprecision(2) << (malePercentage * 10) << "/" << setprecision(2) <<(femalePercentage * 10) << endl;
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cout << "0C is " << std::to_string(celciusToFahrenheit(0)) << "F." << endl;
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cout << "100C is " << std::to_string(celciusToFahrenheit(100)) << "F." << endl;
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cout << "23.8889C is " << std::to_string(celciusToFahrenheit(23.8889)) << "F." << endl;
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monthlySalesTax(3, 2024, 100000.08);
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//mathTutor();
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monthlyPayments(12, 36, 10000.00, 1957.15, 11957.15);
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madLib();
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return 0;
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}
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