[CS50 2018] [Lecture 2] Arrays (C++ version)

scores0.cpp

#include <iostream>
using namespace std;

int main(void) {
    // 取得使用者的分數
    int score1, score2, score3;
    cout << "Score 1:";
    cin >> score1;
    
    cout << "Score 2:";
    cin >> score2;

    cout << "Score 3:";
    cin >> score3;

    // 產生第一條
    cout << "Score 1: ";
    for (int i = 0; i < score1; i++) {
        cout << "#";
    }
    cout << "\n";

    // 產生第二條
    cout << "Score 2: ";
    for (int i = 0; i < score2; i++) {
        cout << "#";
    }
    cout << "\n";

    // 產生第三條
    cout << "Score 3: ";
    for (int i = 0; i < score3; i++) {
        cout << "#";
    }
    cout << "\n";
}

scores1.cpp

#include <iostream>
using namespace std;

void chart(int score);

int main(void) {
    // 取得使用者的分數
    int score1, score2, score3;
    cout << "Score 1:";
    cin >> score1;
    
    cout << "Score 2:";
    cin >> score2;

    cout << "Score 3:";
    cin >> score3;

    // 產生第一條
    cout << "Score 1: ";
    chart(score1);

    // 產生第二條
    cout << "Score 2: ";
    chart(score2);

    // 產生第三條
    cout << "Score 3: ";
    chart(score3);
}

// 產生圖表
void chart(int score) {
    // 每一分產生一個井號
    for (int i = 0; i < score; i++) {
        cout << "#";
    }
    cout << "\n";
}

scores2.cpp

// 使用陣列（Array）產生三個分數的長條圖

#include <iostream>
using namespace std;

void chart(int score);

int main(void) {
    // 取得使用者的分數
    int scores[3];
    for (int i = 0; i < 3; i++) {
        cout << "Score " << i + 1 << ": ";
        cin >> scores[i];
    }

    // 把分數轉成圖表
    for (int i = 0; i < 3; i++) {
        cout << "Score " << i + 1 << ": ";
        chart(scores[i]);
    }
}

// 產生圖表
void chart(int score) {
    // 每一分產生一個井號
    for (int i = 0; i < score; i++) {
        cout << "#";
    }
    cout << "\n";
}

scores3.cpp

// 使用陣列（Array）產生三個分數的長條圖

#include <iostream>
using namespace std;

const int COUNT = 3;

void chart(int score);

int main(void) {
    // 取得使用者的分數
    int scores[COUNT];
    for (int i = 0; i < COUNT; i++)
    {
        cout << "Score " << i + 1 << ": ";
        cin >> scores[i];
    }

    // 把分數轉成圖表
    for (int i = 0; i < COUNT; i++)
    {
        cout << "Score " << i + 1 << ": ";
        chart(scores[i]);
    }
}

// 產生圖表
void chart(int score) {
    // 每一分產生一個井號
    for (int i = 0; i < score; i++) {
        cout << "#";
    }
    cout << "\n";
}

scores4.cpp

// 使用陣列（Array）產生三個分數的長條圖

#include <iostream>
using namespace std;

const int COUNT = 3;

void chart(int count, int scores[]);

int main(void) {
    // 取得使用者的分數
    int scores[COUNT];
    for (int i = 0; i < COUNT; i++)
    {
        cout << "Score " << i + 1 << ": ";
        cin >> scores[i];
    }

    // 把分數轉成圖表
    chart(COUNT, scores);
}

// 產生圖表
void chart(int count, int scores[]) {
    // 每一分產生一個井號
    for (int i = 0; i < count; i++) {
        for (int j = 0; j < scores[i]; j++) {
            cout << "#";
        }
        cout << "\n";
    }
}