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#include using namespace std; class Student { public: Student(int n,int a,float s):num(n),age(a),scored(s){} void total(); static float average(); private: int num; int age;float scored; static float sum; static int count; }; void Student::total() {sum+=scored; count++;} float Student::average() {return(sum/count);} float Student::sum=0; int Student::count=0; int main() {Student std[3]={Student(100,20,50), Student(101,21,90),Student(102,21,10)}; int n; cout<<"please enter the number of student:"; cin>>n; for(int i=0;i cout<<"he average score of the"< return 0; } ÉÏÃæÕâ¶Î³ÌÐòÈç¹û²»½«averageº¯Êý¶¨ÒåΪ¾²Ì¬³ÉÔ±º¯ÊýÐв»ÐУ¿Èç¹ûÐеϰ£¬Ó¦¸Ã×öÔõÑùµÄÐ޸ģ¬Çë½Ì¸÷λ´óÉñ~~~~ |
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