From a6d7b42e83128594c69661572fa34ec1fc1963b7 Mon Sep 17 00:00:00 2001
From: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
Date: Fri, 23 Jun 2023 19:56:23 +0000
Subject: [PATCH 1/4] updating DIRECTORY.md

---
 DIRECTORY.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/DIRECTORY.md b/DIRECTORY.md
index 1414aacf95f7..0c21b9537fc1 100644
--- a/DIRECTORY.md
+++ b/DIRECTORY.md
@@ -167,7 +167,7 @@
   * Arrays
     * [Permutations](data_structures/arrays/permutations.py)
     * [Prefix Sum](data_structures/arrays/prefix_sum.py)
-    * [Product Sum Array](data_structures/arrays/product_sum.py)
+    * [Product Sum](data_structures/arrays/product_sum.py)
   * Binary Tree
     * [Avl Tree](data_structures/binary_tree/avl_tree.py)
     * [Basic Binary Tree](data_structures/binary_tree/basic_binary_tree.py)

From 292682513c92d87a07dded54d4c95a6bba8e67e2 Mon Sep 17 00:00:00 2001
From: Tianyi Zheng <tianyizheng02@gmail.com>
Date: Mon, 26 Jun 2023 02:23:57 -0700
Subject: [PATCH 2/4] Add segfaulting test for demo purposes

---
 quantum/bb84.py | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/quantum/bb84.py b/quantum/bb84.py
index 60d64371fe63..5714124bc69d 100644
--- a/quantum/bb84.py
+++ b/quantum/bb84.py
@@ -68,6 +68,7 @@ def bb84(key_len: int = 8, seed: int | None = None) -> str:
 
     >>> bb84(8, seed=0)
     '01011011'
+    >>> bb84(100, seed=0)
     """
     # Set up the random number generator.
     rng = np.random.default_rng(seed=seed)
@@ -127,7 +128,4 @@ def bb84(key_len: int = 8, seed: int | None = None) -> str:
 
 
 if __name__ == "__main__":
-    print(f"The generated key is : {bb84(8, seed=0)}")
-    from doctest import testmod
-
-    testmod()
+    print(bb84(100, seed=0))

From dc59d9fba7f0bf16a07749ae0b296c721ae4ad42 Mon Sep 17 00:00:00 2001
From: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
Date: Mon, 26 Jun 2023 09:33:34 +0000
Subject: [PATCH 3/4] updating DIRECTORY.md

---
 DIRECTORY.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/DIRECTORY.md b/DIRECTORY.md
index 1e0e450bca2b..d25d665ef28b 100644
--- a/DIRECTORY.md
+++ b/DIRECTORY.md
@@ -29,6 +29,7 @@
   * [Minmax](backtracking/minmax.py)
   * [N Queens](backtracking/n_queens.py)
   * [N Queens Math](backtracking/n_queens_math.py)
+  * [Power Sum](backtracking/power_sum.py)
   * [Rat In Maze](backtracking/rat_in_maze.py)
   * [Sudoku](backtracking/sudoku.py)
   * [Sum Of Subsets](backtracking/sum_of_subsets.py)

From c1f0376bdeca481d1afbb0651517ba8644f28176 Mon Sep 17 00:00:00 2001
From: Tianyi Zheng <tianyizheng02@gmail.com>
Date: Mon, 26 Jun 2023 02:37:01 -0700
Subject: [PATCH 4/4] Add return value for potentially segfaulting doctest

---
 quantum/bb84.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/quantum/bb84.py b/quantum/bb84.py
index c82d3bc653f6..e0b888ee7f50 100644
--- a/quantum/bb84.py
+++ b/quantum/bb84.py
@@ -69,7 +69,10 @@ def bb84(key_len: int = 8, seed: int | None = None) -> str:
     >>> bb84(8, seed=0)
     '10110001'
 
+    # Example from
+    # https://learn.qiskit.org/course/ch-algorithms/quantum-key-distribution
     >>> bb84(100, seed=0)
+    '011110100001000111010110100000010011000111100100'
     """
     # Set up the random number generator.
     rng = np.random.default_rng(seed=seed)