restructure and add ipi texs

ws2019/ipi/uebungen/cpp_headers/UseSort.cc

@@ -0,0 +1,58 @@
+#include<iostream>
+#include<vector>
+#include"Bubblesort.cc"
+#include"Selectionsort.cc"
+#include"Insertionsort.cc"
+#include"Mergesort.cc"
+#include"Heapsort.cc"
+#include"Quicksort.cc"
+#include"Zufall.cc"
+#include"timestamp.cc"
+
+void initialize (std::vector<int>& a) {
+  Zufall z(8267);
+  for (int i=0; i<a.size(); ++i)
+    a[i] = z.ziehe_zahl();
+}
+
+int main ()
+{
+  int n = 100000;
+  std::vector<int> a(n);
+
+  initialize(a);
+  time_stamp();
+  quicksort(a);
+  std::cout << "n=" << n << " quicksort t=" 
+	    << time_stamp() << std::endl;  
+
+  initialize(a);
+  time_stamp();
+  mergesort(a);
+  std::cout << "n=" << n << " mergesort t=" 
+	    << time_stamp() << std::endl;  
+
+  initialize(a);
+  time_stamp();
+  heapsort(a);
+  std::cout << "n=" << n << " heapsort t=" 
+	    << time_stamp() << std::endl;  
+
+  initialize(a);
+  time_stamp();
+  bubblesort(a);
+  std::cout << "n=" << n << " bubblesort t=" 
+	    << time_stamp() << std::endl;  
+
+  initialize(a);
+  time_stamp();
+  insertionsort(a);
+  std::cout << "n=" << n << " insertionsort t=" 
+	    << time_stamp() << std::endl;  
+
+  initialize(a);
+  time_stamp();
+  selectionsort(a);
+  std::cout << "n=" << n << " selectionsort t=" 
+	    << time_stamp() << std::endl;  
+}