Brother's first C ++

Brother's first C ++ in his life is a troublesome class ..

# Include <iostream> # include <cmath> # include <cstdlib> # include <cstring> using namespace STD; Class CS {public: Float ave (); void print () {cout <"name" <name <Endl; cout <"student ID" <no <Endl; cout <"course score: "<score [0] <" "<score [1] <" "<score [2] <Endl; cout <" average score: "<Ave <Endl;} void setname (char STR []) {strcpy (name, STR);} void setno (char STR []) {strcpy (no, str);} void setscore (float S1, float S2, float S3) {score [0] = S1, score [1] = S2, score [2] = S3 ;} PRIVATE: Char name [20], no [10]; private: Float score [3], Ave ;}; float Cs: ave () {Ave = (score [0] + score [1] + score [2])/3; return Ave;} int main () {CS one, * Stu; stu = & one; one. setname ("Lili"); one. setno ("10408200314"); one. setscore (1, 2, 3); one. ave (); one. print (); System ("pause"); Return 0 ;}