about summary refs log tree commit diff
path: root/scratch/facebook/merge-sorted-arrays.py
diff options
context:
space:
mode:
authorWilliam Carroll <wpcarro@gmail.com>2020-11-12T14·37+0000
committerWilliam Carroll <wpcarro@gmail.com>2020-11-12T14·37+0000
commitaa66d9b83d5793bdbb7fe28368e0642f7c3dceac (patch)
treea0e6ad240fe1cdfd2fcdba7266931beea9fbe0d6 /scratch/facebook/merge-sorted-arrays.py
parentd2d772e43e0d4fb1bfaaa58d7de0c9e2cc274a25 (diff)
Add coding exercises for Facebook interviews
Add attempts at solving coding problems to Briefcase.
Diffstat (limited to 'scratch/facebook/merge-sorted-arrays.py')
-rw-r--r--scratch/facebook/merge-sorted-arrays.py44
1 files changed, 44 insertions, 0 deletions
diff --git a/scratch/facebook/merge-sorted-arrays.py b/scratch/facebook/merge-sorted-arrays.py
new file mode 100644
index 000000000000..ae9377ad116b
--- /dev/null
+++ b/scratch/facebook/merge-sorted-arrays.py
@@ -0,0 +1,44 @@
+def merge_sorted(xs, ys):
+    result = []
+    i, j = 0, 0
+
+    while i < len(xs) and j < len(ys):
+        if xs[i] <= ys[j]:
+            result.append(xs[i])
+            i += 1
+        else:
+            result.append(ys[j])
+            j += 1
+
+    while i < len(xs):
+        result.append(xs[i])
+        i += 1
+
+    while j < len(ys):
+        result.append(ys[j])
+        j += 1
+
+    return result
+
+# A
+result = merge_sorted([3, 4, 6, 10, 11, 15], [1, 5, 8, 12, 14, 19])
+print(result)
+assert result == [1, 3, 4, 5, 6, 8, 10, 11, 12, 14, 15, 19]
+
+# B
+result = merge_sorted([], [1,2,3])
+print(result)
+assert result == [1,2,3]
+
+# C
+result = merge_sorted([1,2,3], [])
+print(result)
+assert result == [1,2,3]
+
+# D
+result = merge_sorted([], [])
+print(result)
+assert result == []
+
+# Wahoo!
+print("Success!")