OJ 2212 Problem A 杯子

Description

定义一个Cup类，包含一个int类型的属性volume，表明杯子的容量。定义其构造函数、析构函数和拷贝构造函数，分别产生类似样例所示的输出。定义一个setVolume(int)函数，用于设置杯子的新容量。

Input

两个非负整数。

Output

见样例。

Sample Input

400
500

Sample Output

A cup of 0 ml is created.
A cup of 400 ml is created.
A cup of 400 ml is copied.
A cup of 500 ml is erased.
A cup of 400 ml is erased.
A cup of 0 ml is erased.

HINT

Append Code

int main()
{Cup c1;int i, j;cin>>i>>j;Cup c2(i), c3(c2);c3.setVolume(j);return 0;
}

Accepted Code

#include using namespace std;class Cup {int volume;
public:Cup(int v = 0) : volume(v) {cout << "A cup of " << volume << " ml is created.\n";}Cup(Cup& c) {volume = c.volume;cout << "A cup of " << volume << " ml is copied.\n";}~Cup() {cout << "A cup of " << volume << " ml is erased.\n";}Cup& setVolume(int v) {volume = v;return *this;}
};
int main()
{Cup c1;int i, j;cin>>i>>j;Cup c2(i), c3(c2);c3.setVolume(j);return 0;
}

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