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#include <iostream>
#include <fstream>
#include <iomanip>
#include <string>
using namespace std;
bool addition(int firstNum, int secondNum, int userAnswer, int correctAnswer)
{
firstNum = rand() % 20 + 1;
secondNum = rand() % 20 + 1;
correctAnswer = firstNum + secondNum;
cout << "Type in the answer to the problem and press enter" << endl;
cout << "***********************************************************" << endl;
cout << "************************Addition***************************" << endl;
cout << "***********************************************************" << endl;
cout << "** "<< firstNum <<" **" << endl;
cout << "** + " <<secondNum <<" **" << endl;
cout << "** _________ **" << endl;
cout << "** **" << endl;
cout << "***********************************************************" << endl;
cout << "***********************************************************" << endl;
cin >> userAnswer;
if (userAnswer == correctAnswer)
{
cout << "Congratulations..You are Correct" << endl;
}
else if (userAnswer != correctAnswer)
{
cout << "Incorrect..The correct answer is... " << correctAnswer << endl;
}
return 0;
}
bool multiplication(int firstNum, int secondNum, int userAnswer, int correctAnswer)
{
firstNum = rand() % 20 + 1;
secondNum = rand() % 20 + 1;
correctAnswer = firstNum * secondNum;
cout << "Type in the answer to the problem and press enter" << endl;
cout << "***********************************************************" << endl;
cout << "********************Multiplication*************************" << endl;
cout << "***********************************************************" << endl;
cout << "** "<< firstNum << " **" << endl;
cout << "** x "<< secondNum <<" **" << endl;
cout << "** _________ **" << endl;
cout << "** **" << endl;
cout << "***********************************************************" << endl;
cout << "***********************************************************" << endl;
cin >> userAnswer;
if (userAnswer == correctAnswer)
{
cout << "Congratulations..You are Correct" << endl;
}
else if (userAnswer != correctAnswer)
{
cout << "Incorrect..The correct answer is... " << correctAnswer << endl;
}
return 0;
}
bool subtraction(int firstNum, int secondNum, int userAnswer, int correctAnswer)
{
firstNum = rand() % 20 + 1;
secondNum = rand() % 20 + 1;
correctAnswer = firstNum - secondNum;
cout << "Type in the answer to the problem and press enter" << endl;
cout << "***********************************************************" << endl;
cout << "***********************Subtraction*************************" << endl;
cout << "***********************************************************" << endl;
cout << "** "<< firstNum <<" **" << endl;
cout << "** - "<< secondNum <<" **" << endl;
cout << "** _________ **" << endl;
cout << "** **" << endl;
cout << "***********************************************************" << endl;
cout << "***********************************************************" << endl;
cin >> userAnswer;
if (userAnswer == correctAnswer)
{
cout << "Congratulations..You are Correct" << endl;
}
else if (userAnswer != correctAnswer)
{
cout << "Incorrect..The correct answer is... " << correctAnswer << endl; //output the correct answer
}
return 0; //return values
}
bool division(int firstNum, int secondNum, int userAnswer, int correctAnswer) //division function
{
firstNum = rand() % 20 + 1; //first number random between 1 and 20
secondNum = rand() % 20 + 1; //second number random between 1 and 20
do{
if (secondNum = 0) //if the divisor is 0,
{
secondNum = rand() % 20 + 1; //generate another random number,
}
}while (secondNum = 0); //until it is no longer 0
correctAnswer = firstNum / secondNum; //correct answer is first number divided by the second
cout << "Type in the answer to the problem and press enter" << endl; //instructions
cout << "***********************************************************" << endl;
cout << "************************Division***************************" << endl;
cout << "***********************************************************" << endl;
cout << "** "<< firstNum <<" **" << endl; //displays first number
cout << "** % **" << endl;
cout << "** "<< secondNum <<" **" << endl; //displays second number
cout << "** **" << endl;
cout << "***********************************************************" << endl;
cout << "***********************************************************" << endl;
cin >> userAnswer; //input user answer
if (userAnswer == correctAnswer) //if the answer input by the user is correct,
{
cout << "Congratulations..You are Correct" << endl; //output correct
}
else if (userAnswer != correctAnswer) //if the answer is incorrect,
{
cout << "Incorrect..The correct answer is... " << correctAnswer << endl; //output the correct answer
}
return 0; //return values
}
int main(char continueOrNot)
{
do{char problemType = '\0'; //declares problem type for the user to decide what mathematical function to use
continueOrNot = '\0';
int firstNum; //declares first number for each problem
int secondNum; //declares second number for each problem
int userAnswer; //declares answer the user inputs
int correctAnswer; //declares correct answer for each problem
firstNum = 0; //to begin, set all equal to 0
secondNum = 0;
userAnswer = 0;
correctAnswer = 0;
cout << "Enter A for an addition problem" << endl; //instructions on how to choose the mathematical function
cout << "Enter S for a subtraction problem" << endl;
cout << "Enter M for a multiplication problem" << endl;
cout << "Enter D for a division problem " << endl;
cout << "Enter E to exit the program" << endl;
cin >> problemType; //input type of problem
if (problemType == 'A') //if the problem type is A,
{
addition(firstNum, secondNum, userAnswer, correctAnswer); //call the addition function
}
if (problemType == 'M') //if the problem type is M,
{
multiplication(firstNum, secondNum, userAnswer, correctAnswer); //call multiplication function
}
if (problemType = 'S') //if the problem type is S,
{
subtraction(firstNum, secondNum, userAnswer, correctAnswer); //call subtraction function
}
if (problemType == 'D') //if the problem type is D,
{
division(firstNum, secondNum, userAnswer, correctAnswer); //call the division function
}
if (problemType == 'E') //if the problem type is E,
{
exit(0); //exit the program
}
cout << "Enter C for another problem" << endl; //enter C to continue to another problem
cout << "Enter E to exit the program" << endl;
cin >> continueOrNot;
}while (continueOrNot == 'C');
if (continueOrNot == 'E')
{
exit(0);
}
}
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