1638 function overloading

Description

写出3组Plus函数的声明与实现，类型分别为int，double，string

Sample Input

12 32.5 3.5women day

Sample Output

56womenday

Provided Codes

overload.cpp

#include<iostream>#include"overlode.h"int main() {    int n;    int a,b;    double c,d;    std::string str1,str2;    std::cin>>n;    while(n--) {        std::cin>>a >> b ;        std::cin>>c >> d;        std::cin >> str1 >>str2;        std::cout <<myplus(a, b) << endl;        std::cout <<myplus(d, c) << endl;        std::cout <<myplus(str1, str2) << endl;    }     return 0;}

Submission

overload.h

#include<string>#include<stdio.h>using namespace std;int myplus(int a,int b){    return a+b;}double myplus(double a,double b){    return a+b;}string myplus(string a,string b){    return a+b;}

Standard Answer

overload.h

#include<iostream>using namespace std;int myplus(int a, int b);double myplus(double a, double b);string myplus(string a, string b);int myplus(int a, int b){    return a+b;}double myplus(double a, double b){    return a+b;}string myplus(string a, const string b) {    return a+b;}