From 24b046e4d21221ae375878d2408ffee87735b927 Mon Sep 17 00:00:00 2001
From: reeseo3o <notyaeji@gmail.com>
Date: Thu, 28 May 2026 09:56:56 +0900
Subject: [PATCH 1/2] week13: meeting-rooms

---
 meeting-rooms/reeseo3o.js | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 meeting-rooms/reeseo3o.js

diff --git a/meeting-rooms/reeseo3o.js b/meeting-rooms/reeseo3o.js
new file mode 100644
index 0000000000..d657546fe1
--- /dev/null
+++ b/meeting-rooms/reeseo3o.js
@@ -0,0 +1,21 @@
+// Time Complexity: O(nlogn)
+// Space Complexity: O(1)
+
+const canAttendMeetings = function (intervals) {
+  if (!intervals || intervals.length <= 1) {
+    return true;
+  }
+
+  intervals.sort((a, b) => a[0] - b[0]);
+
+  for (let i = 1; i < intervals.length; i++) {
+    const prevEnd = intervals[i - 1][1];
+    const currStart = intervals[i][0];
+
+    if (currStart < prevEnd) {
+      return false;
+    }
+  }
+
+  return true;
+};

From b8830b8bbabe217ddb988df9d9428f973b23882e Mon Sep 17 00:00:00 2001
From: reeseo3o <notyaeji@gmail.com>
Date: Sat, 6 Jun 2026 15:32:51 +0900
Subject: [PATCH 2/2] week14: counting-bits

---
 counting-bits/reeseo3o.js | 12 ++++++++++++
 1 file changed, 12 insertions(+)
 create mode 100644 counting-bits/reeseo3o.js

diff --git a/counting-bits/reeseo3o.js b/counting-bits/reeseo3o.js
new file mode 100644
index 0000000000..14006e50d2
--- /dev/null
+++ b/counting-bits/reeseo3o.js
@@ -0,0 +1,12 @@
+// Time Complexity: O(n)
+// Space Complexity: O(n)
+
+const countBits = (n) => {
+  const ans = new Array(n + 1).fill(0);
+
+  for (let i = 1; i <= n; i++) {
+    ans[i] = ans[i >> 1] + (i & 1);
+  }
+
+  return ans;
+};