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extern/stdcxx/4.2.1/examples/manual/rotate.cpp

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+/**************************************************************************
+ *
+ * rotate.cpp - Example program of rotate algorithm. 
+ *
+ * $Id: rotate.cpp 550991 2007-06-26 23:58:07Z sebor $
+ *
+ ***************************************************************************
+ *
+ * Licensed to the Apache Software  Foundation (ASF) under one or more
+ * contributor  license agreements.  See  the NOTICE  file distributed
+ * with  this  work  for  additional information  regarding  copyright
+ * ownership.   The ASF  licenses this  file to  you under  the Apache
+ * License, Version  2.0 (the  "License"); you may  not use  this file
+ * except in  compliance with the License.   You may obtain  a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the  License is distributed on an  "AS IS" BASIS,
+ * WITHOUT  WARRANTIES OR CONDITIONS  OF ANY  KIND, either  express or
+ * implied.   See  the License  for  the  specific language  governing
+ * permissions and limitations under the License.
+ *
+ * Copyright 1994-2006 Rogue Wave Software.
+ * 
+ **************************************************************************/
+
+#include <algorithm>   // for rotate
+#include <iostream>    // for cout, endl
+#include <iterator>    // for ostream_iterator
+#include <vector>      // for vector
+
+#include <examples.h>
+
+
+int main ()
+{
+    typedef std::vector<int, std::allocator<int> > Vector;
+
+    // Initialize a vector with an array of integers.
+    const Vector::value_type arr[] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
+    Vector v (arr + 0, arr + sizeof arr / sizeof *arr);
+
+    typedef std::ostream_iterator<int, char, std::char_traits<char> > Iter;
+
+    // Print out elements in original (sorted) order.
+    std::cout << "Elements before rotate: \n     ";
+    std::copy (v.begin (), v.end (), Iter (std::cout, " "));
+
+    // Rotate the elements.
+    std::rotate (v.begin (), v.begin () + 4, v.end ());
+
+    // Print out the rotated elements.
+    std::cout << "\n\nElements after rotate: \n     ";
+    std::copy (v.begin (), v.end (), Iter (std::cout, " "));
+    std::cout << std::endl;
+
+    return 0;
+}