ex4_16.cpp

纯粹是学习专用～

#include<iostream.h>
sum(int a,int b){
	return a+b;				
}
double sum(double a,double b){
	return a+b;
}
float sum(float a,float b,float c){
	return a+b+c;
}
void main(){
	cout<<"3+5="<<sum(3,5)<<endl;
	cout<<"2.2+5.6="<<sum(2.2,5.6)<<endl;
	cout<<"3.5+4+8="<<sum(3.5,4,8)<<endl;
}