From 26c490f404731d053a6205719b6246502c07b449 Mon Sep 17 00:00:00 2001
From: Patrick Simianer <p@simianer.de>
Date: Sat, 14 Jun 2014 16:46:27 +0200
Subject: init

---
 algorithms/string_reverse.cc | 37 +++++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100644 algorithms/string_reverse.cc

(limited to 'algorithms/string_reverse.cc')

diff --git a/algorithms/string_reverse.cc b/algorithms/string_reverse.cc
new file mode 100644
index 0000000..8b3e12c
--- /dev/null
+++ b/algorithms/string_reverse.cc
@@ -0,0 +1,37 @@
+#include <iostream>
+#include <string>
+
+using namespace std;
+
+
+string rev(string &s)
+{
+  string res;
+  for (int i = s.size()-1; i >= 0; i--) { // unsigned not!
+    res += s[i];
+  }
+  return res;
+}
+
+void rev_inplace(string &s)
+{
+  char temp;
+  int j = s.size()-1;
+  for (int i = 0; i < j; i++, j--) {
+    temp = s[i];
+    s[i] = s[j];
+    s[j] = temp;
+  }
+}
+
+
+int main()
+{
+  string s = "Asdf";
+  cout << rev(s) << endl << "---" << endl;
+  cout << s << endl;
+  rev_inplace(s);
+  cout << s << endl;
+  return 0;
+}
+
-- 
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