iostream.cpp

#include <iostream> //+stdio.h v c++
#include <iomanip>

namespace A{
    void foo(void){
        std::cout << "Bar" << std::endl;
    }
}

namespace B{
    void foo(void){
        std::cout << "Bar ale v B" << std::endl;
    }
}

using namespace std;

namespace mujstd=std;

//+main stejne jako v c 
int main(int argc, char *argv){
    //+operator proudoveho zapisu <<
    //+ cout vypis do terminalu 
    std::cout << "Hollo PPC" << std::endl;
    A::foo();
    B::foo();
    cout << "Vypis bez std" << endl;

    //+ cin nacteni z terminalu
    int a,b;
    cout << "Zadej dve cisla" << endl;
    cin >> a >>b;

    if(std::cin.good()){
        cout << "Zadal jsi " << a << "a" << b << mujstd::endl;
    }
    else{
        std::cout << "Zopakuj si datove typy" << std::endl;
        cout << ((cin.rdstate() & ios_base::badbit) ? "B":"b");
        cout << ((cin.rdstate() & ios_base::eofbit) ? "E":"e");
        cout << ((cin.rdstate() & ios_base::failbit) ? "F":"f");
        cout << endl;
    }

    double pi=3.14159;

    std::cout<<pi<<std::endl;
    std::cout<<std::setprecision(3)<<pi<<std::endl;
    std::cout<<setw(10)<<pi<<std::endl;
    std::cout<< std::fixed<<pi<<std::endl;
    std::cout<<std::scientific<<pi<<std::endl;


    std::string name;
    std::cout<<

    return 0;
}