c++作业2.30

#include<iostream>#include<cmath>using namespace std;int sroot(int a1){return sqrt(a1);}long int sroot( long int a2){return sqrt(a2);}double sroot(double a3){return sqrt(a3);}int main(){int i=3,j=4000,k=5.5;cout<<"i= "<<sroot(3)<<"j= "<<sroot(4000)<<"k= "<<sroot(5.5)<<endl;return 0;}