From 275ffe02fb08740111e45f0d4d6d533ba308096d Mon Sep 17 00:00:00 2001
From: Jan Huwald <jh@sotun.de>
Date: Fri, 17 May 2013 11:35:28 +0200
Subject: add detect_new


diff --git a/Makefile b/Makefile
index 24b9395..c857c19 100644
--- a/Makefile
+++ b/Makefile
@@ -8,7 +8,7 @@ NTLIB := -lboost_iostreams
 
 $W/%:	$W/%.cpp
 	@/bin/echo -e "GCC\t$@"
-	@$(CXX) $(NTLIB) -o $@ $^
+	@$(CXX) $(NTLIB) -O2 -o $@ $^
 
 rec_clean :: $W/clean
 $W/clean:
diff --git a/detect_new.cpp b/detect_new.cpp
new file mode 100644
index 0000000..e5bf80c
--- /dev/null
+++ b/detect_new.cpp
@@ -0,0 +1,19 @@
+#include <set>
+#include <string>
+#include <iostream>
+
+using namespace std;
+
+int main() {
+  set<string> known;
+  string i;
+  for (getline(cin, i); cin.good(); getline(cin, i)) {
+    if (known.count(i)) {
+      cout << "0" << endl;
+    }else{
+      known.insert(i);
+      cout << "1" << endl;
+    }
+  }
+  return 0;
+}
-- 
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