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authorVincent Ambo <mail@tazj.in>2021-12-13T22·51+0300
committerVincent Ambo <mail@tazj.in>2021-12-13T23·15+0300
commit019f8fd2113df4c5247c3969c60fd4f0e08f91f7 (patch)
tree76a857f61aa88f62a30e854651e8439db77fd0ea /users/wpcarro/scratch/facebook/cafe-order-checker.py
parent464bbcb15c09813172c79820bcf526bb10cf4208 (diff)
parent6123e976928ca3d8d93f0b2006b10b5f659eb74d (diff)
subtree(users/wpcarro): docking briefcase at '24f5a642' r/3226
git-subtree-dir: users/wpcarro
git-subtree-mainline: 464bbcb15c09813172c79820bcf526bb10cf4208
git-subtree-split: 24f5a642af3aa1627bbff977f0a101907a02c69f
Change-Id: I6105b3762b79126b3488359c95978cadb3efa789
Diffstat (limited to 'users/wpcarro/scratch/facebook/cafe-order-checker.py')
-rw-r--r--users/wpcarro/scratch/facebook/cafe-order-checker.py19
1 files changed, 19 insertions, 0 deletions
diff --git a/users/wpcarro/scratch/facebook/cafe-order-checker.py b/users/wpcarro/scratch/facebook/cafe-order-checker.py
new file mode 100644
index 000000000000..9d88a68069fd
--- /dev/null
+++ b/users/wpcarro/scratch/facebook/cafe-order-checker.py
@@ -0,0 +1,19 @@
+def orders_are_sorted(take_out, dine_in, audit):
+    if len(take_out) + len(dine_in) != len(audit):
+        return False
+
+    i, j = 0, 0
+    for x in audit:
+        if i < len(take_out) and take_out[i] == x:
+            i += 1
+        elif j < len(dine_in) and dine_in[j] == x:
+            j += 1
+        else:
+            return False
+    return True
+
+
+assert orders_are_sorted([1,3,5], [2,4,6], [1,2,4,3,6,5])
+assert not orders_are_sorted([1,3,5], [2,4,6], [1,2,4,5,6,3])
+assert orders_are_sorted([], [2,4,6], [2,4,6])
+print("Success!")