added ws202425 courses

2023_Informatik_b/1/ueb.cpp

@@ -0,0 +1,44 @@
+#include <iostream>
+
+int main(){
+  int x = 2;
+  for (int i=0; i<32; i++){
+    x=x*2;
+  }
+  std::cout << x << std::endl;
+
+  int zahl = 50;
+  std::cout << (3+5*9==zahl-2) << std::endl;
+  std::cout << "Info B " << (40 * zahl + 23) << std::endl;
+  std::cout << (true && (++zahl > 50)) << std::endl;
+  std::cout << zahl << std::endl;
+  std::cout << ((zahl <= 44) + 7) << std::endl;
+
+
+  int y = 3;
+  int z = ++y + 2;
+  std::cout << "z: " << z << std::endl;
+  std::cout << "y: " << y << std::endl;
+  z = y++ + 2;
+  std::cout << "z: " << z << std::endl;
+  std::cout << "y: " << y << std::endl;
+
+
+  short a = 345;
+  std::cout << "Groesse von a " << sizeof(a) << std::endl;
+  std::cout << "Groesse von a+y " << sizeof(a+y) << std::endl;
+
+  std::cout << "Geben Sie eine Zahl ein: ";
+  std::cin >> a;
+  std::cout << "Ihre Zahl ist: " << a <<std::endl;
+
+  if(++y == 6){
+    std::cout << "Huhu" << std::endl;
+  }
+  std::cout << "y: " << y << std::endl;
+  if(y-- == 6){
+    std::cout << "Hallo" << std::endl;
+  }
+  std::cout << "y: " << y << std::endl;
+
+}