ex3_16.cpp

c++程序设计教材第二版书上即课后习题源代码

//【例3.16】重载函数的应用。
#include<iostream>
using namespace std;

int 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;
}
int main(){
	cout<<"3+5="<<sum(3,5)<<endl;       //调用sum(int,int)
	cout<<"2.2+5.6="<<sum(2.2,5.6)<<endl;  //调用double(double,double)
	cout<<"3.5+4+8="<<sum(3.5,4,8)<<endl;  //调用float sum(float,float,float)
	return 0;
}