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cviceni/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;
+}
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