Quiz

#include <iostream>
#include <cstdlib>
#include <ctime>
using namespace std;

void display(int corrects){
    cout<<"_______________________"<<endl;
    cout <<"#Correct Answer:" <<corrects <<endl;
    int accuracy = (corrects/10)*100;
    cout <<"Percentage of Accuracy:" <<accuracy<<"%" <<endl;

    if(accuracy==100){
        cout <<"Perfect!" <<endl;
    }
    else if(accuracy>70 && accuracy <100){
        cout <<"Excellent Work!" <<endl;
    }
    else{
        cout <<"Please review more and try again." <<endl;

    }
}

//Main Function
int main(){
    //Declare Variable
    int rnum1, rnum2, add;
    int answer, wrong; //Corrects is for calling in display function
    int i, a, b, corrects=0, score = 0;;
    char input;
    srand((unsigned)time(0));
    //For loop
    for(i=0; i<10; i++){
        rnum1=(rand()%10)+1;
        rnum2=(rand()%10)+1;
        //this if for the value the will add in the wrong choice.
        add = (rand()%5)+1;
        answer = rnum1*rnum2;
        wrong = (rnum1*rnum2)+add;
        //to shuffle the choices
        if(rnum1>rnum2){
          a = answer;
          b = wrong;
        } else{
          b = answer;
          a = wrong;
        }
        cout<<"_______________________"<<endl;
        cout<<"How much is" <<rnum1 <<" x " <<rnum2 <<": ?"<<endl;
        cout<<"A. "<<a<<endl;
        cout<<"B. "<<b<<endl;
        cout<<"Enter you answer: ";
        cin>>input;
        input = tolower(input);

        if (input == 'a'){
            if(a<b){
                cout<<"Correct!" <<endl;
                score+=2;
                corrects+=1;
            }else{
                cout <<"Sorry, Incorrect Answer" <<endl;
            }
        }
        if (input == 'b'){
            if(b<a){
                cout<<"Correct!" <<endl;
                score+=2;
                corrects+=1;
            }else{
                cout <<"Sorry, Incorrect Answer" <<endl;
            }
        }

    }
    cout<<"Your Score is: "<<score<<endl;
    //Call Display
    display(corrects);

    return 0;
}