Question

In: Computer Science

As simple as possible. Please In C++ Computers are playing an increasing role in education. Write...

As simple as possible. Please

In C++ Computers are playing an increasing role in education.
Write a program that will help an elementary school student learn multiplication. Use rand() to
produce two positive single digit integers. It should then display a question in the following format
(assume 6 and 7 are randomly generated):
How much is 6 * 7?
The student then types the answer. Your program checks the student’s answer. If it is correct, print
“Very good!” If the answer is wrong, print “No. Please try again.” and then let the student
try the same question again repeatedly until the student finally gets it right. If the number of
incorrect exceeds five, the program should leave the question, display “Let’s try another
one!” and ask a different question. After every answer, the program should ask whether the user
wants to continue the program and based on the response, the program should be continued or
terminated.

Solutions

Expert Solution

C++ code:

#include<iostream>
using namespace std;

int main(){

while(true){

int number1 = rand()%10;
int number2 = rand()%10;
int ans = number1*number2;
int student_ans;

char quit = 0;

cout<<"How much is "<<number1<<" * "<<number2<<"?\n";
cin>>student_ans;

if (student_ans == ans){
cout<<"Very good!\n";
cout<<"Do you want to continue? (Press q to quit or any other key to continue)\n";
cin>>quit;

if (quit == 'q' || quit == 'Q')
return 0;
}
else{
for(int i=0;i<5;i++){
cout<<"No. Please try again\n";
cout<<"Do you want to continue? (Press q to quit or any other key to continue)\n";
cin>>quit;

if (quit == 'q' || quit == 'Q')
return 0;
cout<<"Enter your answer: ";
cin>>student_ans;

if (student_ans == ans){
cout<<"Very good!\n";

cout<<"Do you want to continue? (Press q to quit or any other key to continue)\n";
cin>>quit;

if (quit == 'q' || quit == 'Q')
return 0;

break;
}
}

if (student_ans != ans)
cout<<"Let’s try another one!";

}
}
return 0;
}

Output:


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