//
//  main.cpp
//  hw3.1
//
//  Created by Jack Shirley on 9/22/16.
//  Copyright © 2016 Jack Shirley. All rights reserved.
//

#include <iostream>
#include <vector>

using namespace std;
int seed;

int main() {
    vector<int> vec;
    vector<int> guess;


    int numDigits = 0;
    int code;
    int bulls = 0;
    int cows = 0;
    int num1 = 1;


    bool user = true;

    cout << "Enter number of digits in code (3, 4 or 5): ";
    cin >> numDigits;


    seed = numDigits;

    srand(seed);


    if(numDigits==3){
        vec.push_back(rand()%10);
        vec.push_back(rand()%10);
        vec.push_back(rand()%10);
        cout << vec.at(0) << vec.at(1) << vec.at(2);
    }

    if(numDigits==4){
        vec.push_back(rand()%10);
        vec.push_back(rand()%10);
        vec.push_back(rand()%10);
        vec.push_back(rand()%10);
        cout << vec.at(0) << vec.at(1) << vec.at(2) << vec.at(3);
    }

    if(numDigits==5){
        vec.push_back(rand()%10);
        vec.push_back(rand()%10);
        vec.push_back(rand()%10);
        vec.push_back(rand()%10);
        vec.push_back(rand()%10);
    }




    if(numDigits==0){


        while(user==true){
            cout << "Enter code: ";
            cin >> code;

            if(code>=100 && code<=999){
                numDigits = 3;
                vec.push_back(code/100);
                vec.push_back((code-(vec.at(0)*100))/10);
                vec.push_back((code-((vec.at(0)*100)+(vec.at(1)*10))));

                if(vec.at(0) == vec.at(1) || vec.at(0) == vec.at(2) || vec.at(1) == vec.at(2)){
                    cout << "Each number must be different." << endl;
                    vec.erase(vec.begin(),vec.end());
                    user = true;
                }else{
                    user = false;
                }
            }

            if(code>=1000 && code<=9999){
                numDigits = 4;
                vec.push_back(code/1000);
                vec.push_back((code-(vec.at(0)*1000))/100);
                vec.push_back((code-((vec.at(0)*1000)+(vec.at(1)*100)))/10);
                vec.push_back((code-((vec.at(0)*1000)+(vec.at(1)*100)+(vec.at(2)*10))));
                if(vec.at(0) == vec.at(1) || vec.at(0) == vec.at(2) || vec.at(0) == vec.at(3) || vec.at(1) == vec.at(2) || vec.at(1) == vec.at(3) || vec.at(2) == vec.at(3)){
                    cout << "Each number must be different." << endl;
                    vec.erase(vec.begin(),vec.end());
                    user = true;
                }else{
                    user = false;
                }
            }

            if(code>=10000 && code<=99999){
                numDigits = 5;
                vec.push_back(code/10000);
                vec.push_back((code-(vec.at(0)*10000))/1000);
                vec.push_back((code-((vec.at(0)*10000)+(vec.at(1)*1000)))/100);
                vec.push_back((code-((vec.at(0)*10000)+(vec.at(1)*1000)+(vec.at(2)*100)))/10);
                vec.push_back((code-((vec.at(0)*10000)+(vec.at(1)*1000)+(vec.at(2)*100)+(vec.at(3)*10))));
                if(vec.at(0) == vec.at(1) || vec.at(0) == vec.at(2) || vec.at(0) == vec.at(3) || vec.at(0) == vec.at(4) || vec.at(1) == vec.at(2) || vec.at(1) == vec.at(3) || vec.at(1) == vec.at(4) || vec.at(2) == vec.at(3) || vec.at(2) == vec.at(4) || vec.at(3) == vec.at(4)){
                    cout << "Each number must be different." << endl;
                    vec.erase(vec.begin(),vec.end());
                    user = true;
                }else{
                    user = false;
                }
            }


        }
    }



    while(code!=num1){
        bulls = 0;
        cows = 0;
        guess.erase(guess.begin(),guess.end());
        cout << "Enter guess: ";
        cin >> num1;

        if(num1>=100 && num1<=999){
            guess.push_back(num1/100);
            guess.push_back((num1-(guess.at(0)*100))/10);
            guess.push_back((num1-((guess.at(0)*100)+(guess.at(1)*10))));
        }

        if(num1>=1000 && num1<=9999){
            guess.push_back(num1/1000);
            guess.push_back((num1-(guess.at(0)*1000))/100);
            guess.push_back((num1-((guess.at(0)*1000)+(guess.at(1)*100)))/10);
            guess.push_back((num1-((guess.at(0)*1000)+(guess.at(1)*100)+(guess.at(2)*10))));
            cout << guess.at(0) << guess.at(1) << guess.at(2) << guess.at(3);
        }

        if(num1>=10000 && num1<=99999){
            guess.push_back(num1/10000);
            guess.push_back((num1-(guess.at(0)*10000))/1000);
            guess.push_back((num1-((guess.at(0)*10000)+(guess.at(1)*1000)))/100);
            guess.push_back((num1-((guess.at(0)*10000)+(guess.at(1)*1000)+(guess.at(2)*100)))/10);
            guess.push_back((num1-((guess.at(0)*10000)+(guess.at(1)*1000)+(guess.at(2)*100)+(guess.at(3)*10))));
        }

        for(int i = 0; i<numDigits;i++){

            if(guess.at(i)==vec.at(i)){
                bulls++;
            }

            if(numDigits==3){
                if(guess.at(0)==vec.at(2)){
                    cows++;
                }

                if(guess.at(1)==vec.at(2)){
                    cows++;
                }
            }
        }
    }




    /*

     if(guess.at(i)!=vec.at(i)){
     if(guess.at(i)==vec.back()){
     cows++;
     vec.pop_back();
     }else{
     vec.pop_back();
     }

     if(guess.at(i)==vec.back()){
     cows++;
     vec.pop_back();
     }else{
     vec.pop_back();
     }

     if(guess.at(i)==vec.back()){
     cows++;
     vec.pop_back();
     }else{
     vec.pop_back();
     }

     if(guess.at(i)==vec.back()){
     cows++;
     vec.pop_back();
     }else{
     vec.pop_back();
     }

     if(guess.at(i)==vec.back()){
     cows++;
     vec.pop_back();
     }else{
     vec.pop_back();
     }
     }
     */





    cout << bulls << " bulls" << endl;
    cout << cows << " cows" << endl;

}





/*

 cout << "Number to guess: ";

 for(int i=0;i!=numDigits;i++){
 vec.push_back(rand() % 10);
 cout << vec.at(i);
 }

 cout << endl;


 */

// cout << "Enter guess: ";
//cin >> guess.at(0);
// cout << guess.at(0);