单项选择题下列程序的输出结果是( )。#includeusing namespace std;templateT fun(T a,T b){return(a<= b)a:b;}int main(){cout<<fun(3,6)<<‘,’<<fun(3.1 4F,6.28F)<<endl;return 0:}
单项选择题有以下程序:#includeusing namespace std;class R{public:R(int r1,int r2){R1=r1;R2=r2:}void print();void print()const;private:int R1,R2;};void R::print(){cout<<R1<<“,”<<R2<<endl;}void R::print()const{cout<<R1<<“,”<<R2<<end1;}int main(){R a(5,4);const R b(20,52);b.print();return 0:}执行后的输出结果是( )。