Function Template in C++

#include<iostream>
using namespace std;

template<typename T>
T getmax(T a,T b){
return (a>b)?a:b;
}

int main(){
int a = 10;
int b = 20;
char x = 'c';
char y = 'x';
int c = getmax<int>(a,b);
cout<<c<<endl;
char temp = getmax<char>(x,y);
cout<<temp<<endl;
}