學校是老師和學生組成的。現在定義student、teacher和school三個類來模擬乙個學校。student類只有乙個int型別的資料成員,表示學生的年級;teacher類只有乙個double型別的資料成員,表示該教師的工資;school類是由1個student類的物件、1個teacher類的物件組合而成。定義它們的建構函式和析構函式,使程式能產生樣例所示的輸出。
輸入4行,第1行和第3行是2個int型別的正整數;第2行和第4行是double型別的正數。
見樣例。
31600.31
42451.34
a student grade 3 is created.a teacher with salary 1600.31 is created.
a school is created.
a student grade 4 is created.
a teacher with salary 2451.34 is created.
a student grade 4 is created.
a teacher with salary 2451.34 is created.
a school is created.
a school is erased.
a teacher with salary 2451.34 is erased.
a student grade 4 is erased.
a teacher with salary 2451.34 is erased.
a student grade 4 is erased.
a school is erased.
a teacher with salary 1600.31 is erased.
a student grade 3 is erased.
int main()
#include
using namespace std;
class
student
~student()
};class
teacher
~teacher()
};class
school
~school()
};int main()
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