#include <iostream>

using std::cout;  // program uses cout
using std::endl;  // program uses endl
using std::cin;  // program uses endl

int min(int, int);
int min(int, int, int);

int main(){

  int a =0;
  int b =0;
  int c =0;

  int n =0;
  
  cout<<"Insert how many numbers you want to compare"<<endl;
  cin>>n;
  if(n == 2){
    cout<<"Insert the first number: ";
    cin>>a; 
    cout<<"\nInsert the second number: ";
    cin>>b;
    cout<<"The minimum is: "<<min(a,b)<<endl;
  }
  else if(n == 3){
    cout<<"Insert the first number: ";
    cin>>a; 
    cout<<"\nInsert the second number: ";
    cin>>b;
    cout<<"\nInsert the third number: ";
    cin>>c;
    cout<<"The minimum is: "<<min(a,b,c)<<endl;
  }
  else {
    cout<<"invalid number of arguments (only 2 and 3 are possible!)"<<endl;
    return 0;
  }
  return 0;
}

int min(int x, int y){
  return (x>y ? y: x);
}

int min(int x, int y, int z){
  int m = (x>y ? y: x); // m = min(x,y)
  return (z>m ? m:z);
}