명품 C++ 10장 12번

12. Open Challenge를 수정하여 사용자가 어휘를 삽입할 수 있도록 기능을 추가하라. 

소스코드

#include <iostream>

#include <string>

#include <vector>

#include <ctime>

#include <cstdlib>

using namespace std;

class Word {

    string english;

    string korean;

public:

    Word(string eng,string kor) {

        this->english = eng;

        this->korean = kor;

    }

    string getEng() { return english; }

    string getKor() { return korean; }

};

int main() {

    string example[4] = { "" };

    bool sw = false;

    srand((unsigned)time(0));

    cout << "***** 영어 어휘 테스트를 시작합니다. *****" << endl;

    vector<Word> v;

    v.push_back(Word("human", "인간"));

    v.push_back(Word("baby", "아기"));

    v.push_back(Word("society", "사회"));

    v.push_back(Word("photo", "사진"));

    v.push_back(Word("painting", "그림"));

    v.push_back(Word("love", "사랑"));

    v.push_back(Word("emotion", "감정"));

    v.push_back(Word("dall", "인형"));

    v.push_back(Word("animal", "동물"));

    v.push_back(Word("bear", "곰"));

    v.push_back(Word("trade", "거래"));

    int n;

    while (true) {

        int num;

        cout << "어휘 삽입: 1, 어휘 테스트 : 2, 프로그램 종료:그외키 >>";

        cin >> num;

        if (num == 1) { // 어휘 삽입

            cout << "영어 단어에 exit을 입력하면 입력 끝" << endl;

            while (true) {

                string eng, kor;

                cout << "영어 >>";

                cin >> eng;

                if (eng == "exit") break;

                cout << "한글 >>";

                cin >> kor;

                v.push_back(Word(eng, kor)); // 입력을 받아 새로 추가합니다.

            }

        }

        else if (num == 2) {

            while (true) {

                int index = rand() % v.size();

                cout << v[index].getEng() << "?" << endl;

                int exIndex = rand() % 4;

                example[exIndex] = v[index].getKor();

                for (int i = 0; i < 4; ++i) {

                    if (i != exIndex) {

                        sw = true;

                        while (sw) { // 보기에 중복이 없게 하기

                            n = rand() % v.size();

                            if (example[0] != v[n].getKor() &&

                            example[1] != v[n].getKor() &&

                            example[2] != v[n].getKor() &&

                            example[3] != v[n].getKor())

                            {

                                example[i] = v[n].getKor();

                                sw = false;

                            }

                        }

                    }

                }

                for (int i = 0; i < 4; ++i)

                    cout << "(" << i + 1 << ") " << example[i] << ' ';

                cout << ":>";

                int answer;

                cin >> answer;

                if (answer >= 1 && answer <= 4) {

                    if (exIndex == answer - 1)

                        cout << "Excellent !!" << endl;

                    else

                        cout << "No. !!" << endl;

                }

                else

                    break;

            }

        }

    }

    for (int i = 0; i < 4; ++i) // 초기화를 안하면 중복 없게 할 때 문제가 생김

        example[i] = "";

}

케이스를 나눠서, 영어와 한글을 입력 받고, 벡터에 새로 추가해주면 됩니다.