1 files changed, 19 insertions, 0 deletions
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;
+}