Moduly1

Main.cpp
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#include <iostream>
#include "mod1.hpp"
using namespace std;
int main()
{
    int a,b;
    cout<<"Podaj a: ";
    cin>>a;
    cout<<"Podaj b: ";
    cin>>b;
    cout<<a<<" + "<<b<<" = "<<suma(a,b);
    return 0;
}
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mod1.hpp
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#ifndef MOD1_HPP_INCLUDED
#define MOD1_HPP_INCLUDED

int suma(int x, int y);

#endif // MOD1_HPP_INCLUDED

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mod1.cpp
----------------------------------
#include "mod1.hpp"

int suma(int x, int y)
{
    return x+y;
}