Create 978_A.py

Author: tapumar

CodeForces/978_A.py

@@ -0,0 +1,16 @@
+n = int(input())
+
+seq = input().split()
+rep = []
+for i in seq:
+    if i not in rep:
+        rep.append(i)
+    else:
+        rep.remove(i)
+        rep.append(i)
+print(len(rep))
+for j in rep:
+    if rep.index(j) == len(rep)-1:
+        print(j)
+    else:
+        print(j, end=' ')