From 12c77c0bf11ca9520f3c1b3e97a02196cf958179 Mon Sep 17 00:00:00 2001
From: khw0828 <97077535+gusdn0828@users.noreply.github.com>
Date: Sun, 26 May 2024 01:15:03 +0900
Subject: [PATCH 1/4] =?UTF-8?q?feat:=20=EC=B9=B4=EC=9A=B4=ED=8A=B8?=
 =?UTF-8?q?=EB=B9=84=ED=8A=B8=20=ED=92=80=EC=9D=B4?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 counting-bits/saysimple.py | 9 +++++++++
 1 file changed, 9 insertions(+)
 create mode 100644 counting-bits/saysimple.py

diff --git a/counting-bits/saysimple.py b/counting-bits/saysimple.py
new file mode 100644
index 000000000..20a902e11
--- /dev/null
+++ b/counting-bits/saysimple.py
@@ -0,0 +1,9 @@
+class Solution:
+    def countBits(self, n: int) -> List[int]:
+        answer = []
+
+        for i in range(n+1):
+            b = bin(i)
+            answer.append(int(b.count("1")))
+
+        return answer

From 62307d4301c9109415d56ee9f1517d12a52aeb07 Mon Sep 17 00:00:00 2001
From: khw0828 <97077535+gusdn0828@users.noreply.github.com>
Date: Sun, 26 May 2024 01:48:14 +0900
Subject: [PATCH 2/4] =?UTF-8?q?feat:=20=EA=B7=B8=EB=A3=B9=20=EC=95=A0?=
 =?UTF-8?q?=EB=82=98=EA=B7=B8=EB=9E=A8=20=ED=92=80=EC=9D=B4?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 group-anagrams/saysimple.py | 12 ++++++++++++
 1 file changed, 12 insertions(+)
 create mode 100644 group-anagrams/saysimple.py

diff --git a/group-anagrams/saysimple.py b/group-anagrams/saysimple.py
new file mode 100644
index 000000000..bd7640944
--- /dev/null
+++ b/group-anagrams/saysimple.py
@@ -0,0 +1,12 @@
+from collections import defaultdict
+
+class Solution:
+    def groupAnagrams(self, strs: List[str]) -> List[List[str]]:
+        d = defaultdict(list)
+        for s in strs:
+            if not s:
+                d["0"].append("")
+            else:
+                d["".join(sorted(s))].append(s)
+
+        return [d[s] for s in d]

From 14d1529049d1524c92d08bd2e420e1f35c03b469 Mon Sep 17 00:00:00 2001
From: khw0828 <97077535+gusdn0828@users.noreply.github.com>
Date: Sun, 26 May 2024 02:32:23 +0900
Subject: [PATCH 3/4] =?UTF-8?q?feat:=20reverse=20bits=20=ED=92=80=EC=9D=B4?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 missing-number/saysimple.py   | 5 +++++
 number-of-1-bits/saysimple.py | 3 +++
 reverse-bits/saysimple.py     | 3 +++
 3 files changed, 11 insertions(+)
 create mode 100644 missing-number/saysimple.py
 create mode 100644 number-of-1-bits/saysimple.py
 create mode 100644 reverse-bits/saysimple.py

diff --git a/missing-number/saysimple.py b/missing-number/saysimple.py
new file mode 100644
index 000000000..1ca9af3c4
--- /dev/null
+++ b/missing-number/saysimple.py
@@ -0,0 +1,5 @@
+class Solution:
+    def missingNumber(self, nums: List[int]) -> int:
+        for i in range(len(nums)+1):
+            if i not in nums:
+                return i
diff --git a/number-of-1-bits/saysimple.py b/number-of-1-bits/saysimple.py
new file mode 100644
index 000000000..7ef7ebf0b
--- /dev/null
+++ b/number-of-1-bits/saysimple.py
@@ -0,0 +1,3 @@
+class Solution:
+    def hammingWeight(self, n: int) -> int:
+        return bin(n).count("1")
diff --git a/reverse-bits/saysimple.py b/reverse-bits/saysimple.py
new file mode 100644
index 000000000..9911f07cf
--- /dev/null
+++ b/reverse-bits/saysimple.py
@@ -0,0 +1,3 @@
+class Solution:
+    def reverseBits(self, n: int) -> int:
+        return int(f"{bin(n)[2:]:0>32}"[::-1], 2)

From bddde12cf818012f84766eed6d532e9219059426 Mon Sep 17 00:00:00 2001
From: khw0828 <97077535+gusdn0828@users.noreply.github.com>
Date: Sun, 26 May 2024 02:36:14 +0900
Subject: [PATCH 4/4] =?UTF-8?q?feat:=20TC,=20SC=20=EC=B6=94=EA=B0=80?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 counting-bits/saysimple.py    | 2 ++
 group-anagrams/saysimple.py   | 2 ++
 missing-number/saysimple.py   | 2 ++
 number-of-1-bits/saysimple.py | 2 ++
 reverse-bits/saysimple.py     | 2 ++
 5 files changed, 10 insertions(+)

diff --git a/counting-bits/saysimple.py b/counting-bits/saysimple.py
index 20a902e11..1e6d543e2 100644
--- a/counting-bits/saysimple.py
+++ b/counting-bits/saysimple.py
@@ -1,3 +1,5 @@
+# TC: O(n), SC: O(n)
+
 class Solution:
     def countBits(self, n: int) -> List[int]:
         answer = []
diff --git a/group-anagrams/saysimple.py b/group-anagrams/saysimple.py
index bd7640944..4bf537328 100644
--- a/group-anagrams/saysimple.py
+++ b/group-anagrams/saysimple.py
@@ -1,3 +1,5 @@
+# TC: O(n), SC: O(n)
+
 from collections import defaultdict
 
 class Solution:
diff --git a/missing-number/saysimple.py b/missing-number/saysimple.py
index 1ca9af3c4..9a5fc6755 100644
--- a/missing-number/saysimple.py
+++ b/missing-number/saysimple.py
@@ -1,3 +1,5 @@
+# TC: O(n), SC: O(1)
+
 class Solution:
     def missingNumber(self, nums: List[int]) -> int:
         for i in range(len(nums)+1):
diff --git a/number-of-1-bits/saysimple.py b/number-of-1-bits/saysimple.py
index 7ef7ebf0b..d9011b99a 100644
--- a/number-of-1-bits/saysimple.py
+++ b/number-of-1-bits/saysimple.py
@@ -1,3 +1,5 @@
+# TC: O(1), SC: O(1)
+
 class Solution:
     def hammingWeight(self, n: int) -> int:
         return bin(n).count("1")
diff --git a/reverse-bits/saysimple.py b/reverse-bits/saysimple.py
index 9911f07cf..136bc3d2f 100644
--- a/reverse-bits/saysimple.py
+++ b/reverse-bits/saysimple.py
@@ -1,3 +1,5 @@
+# TC: O(1), SC: O(1)
+
 class Solution:
     def reverseBits(self, n: int) -> int:
         return int(f"{bin(n)[2:]:0>32}"[::-1], 2)