第二单元作业2.30

#include<iostream>#include<cmath>using namespace std;int sroot(int a){return sqrt(a);}double sroot(double b){return sqrt(b);}long int sroot(long int c){return sqrt(c);}int main(){int m=2;long int n=500;double p=5.7;int N=sroot(m);long int M=sroot(n);double P=sroot(p);cout<<N<<"   "<<M<<"  "<<P<<endl;return 0;}