1d array clear

zeta_python/completed/3052.py

@@ -0,0 +1,11 @@
+A = list(map(lambda x: x%42, (int(input()) for i in range(10))))
+c = 0
+for i in A:
+    if i == -1:
+        continue
+    for k in range(10):
+        if A[k] == i:
+            A[k] = -1
+    c += 1
+
+print(c)