added ws202425 courses

2024_Praxis_der_Programmierung/ue2/loesung/pt1.c

@@ -0,0 +1,12 @@
+#include <stdio.h>
+
+int main(){
+    int i;
+	int *ptr = &i;
+	i = 1;
+	printf("ptr = %p \n", ptr);  // ptr = 0x7fffc953d9f4
+	printf("*ptr = %d \n", *ptr);  // *ptr = 1 
+	printf("i = %d \n", i);
+	*ptr = 2;
+	printf("i = %d \n", i);
+}