ci: check weeks

Author: SamTheKorean

.github/workflows/weekcheck.yaml

@@ -0,0 +1,44 @@
+name: Week Check 🗓️
+
+on:
+  schedule:
+    # 매일 오전 10시, 오후 6시 (KST 기준, UTC로는 1시, 9시)
+    - cron: "0 1,9 * * *"
+  workflow_dispatch:
+
+jobs:
+  check-all-prs:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+
+    steps:
+      - name: Check all PRs via GitHub App
+        id: check
+        run: |
+          echo "🔍 GitHub App을 통해 모든 Open PR 검사 중..."
+
+          response=$(curl -s -X POST "https://github.dalestudy.com/check-weeks" \
+            -H "Content-Type: application/json" \
+            -d "{\"repo_owner\": \"${{ github.repository_owner }}\", \"repo_name\": \"${{ github.event.repository.name }}\"}")
+
+          echo "response=$response" >> $GITHUB_OUTPUT
+          echo "$response" | jq '.'
+
+      - name: Summary
+        run: |
+          response='${{ steps.check.outputs.response }}'
+
+          total=$(echo "$response" | jq -r '.total_prs // 0')
+          checked=$(echo "$response" | jq -r '.checked // 0')
+          commented=$(echo "$response" | jq -r '.commented // 0')
+          deleted=$(echo "$response" | jq -r '.deleted // 0')
+
+          echo "## 🎯 Week 설정 체크 완료" >> $GITHUB_STEP_SUMMARY
+          echo "" >> $GITHUB_STEP_SUMMARY
+          echo "- 📋 전체 Open PR: **$total**개" >> $GITHUB_STEP_SUMMARY
+          echo "- ✅ 검사한 PR: **$checked**개" >> $GITHUB_STEP_SUMMARY
+          echo "- 💬 댓글 작성한 PR: **$commented**개" >> $GITHUB_STEP_SUMMARY
+          echo "- 🗑️  댓글 삭제한 PR: **$deleted**개" >> $GITHUB_STEP_SUMMARY
+          echo "" >> $GITHUB_STEP_SUMMARY
+          echo "다음 체크: $(date -u -d '+1 hour' +'%Y-%m-%d %H:00 UTC')" >> $GITHUB_STEP_SUMMARY

subtree-of-another-tree/Lustellz.ts

@@ -0,0 +1,29 @@
+// Runtime: 8ms
+// Memory: 63.23MB
+
+/**
+ * Definition for a binary tree node.
+ * class TreeNode {
+ *     val: number
+ *     left: TreeNode | null
+ *     right: TreeNode | null
+ *     constructor(val?: number, left?: TreeNode | null, right?: TreeNode | null) {
+ *         this.val = (val===undefined ? 0 : val)
+ *         this.left = (left===undefined ? null : left)
+ *         this.right = (right===undefined ? null : right)
+ *     }
+ * }
+ */
+
+const isSameTree = (p, q): boolean => {
+    if (!(p && q)) return p === q
+    if (p.val !== q.val) return false
+    return isSameTree(p.left, q.left) && isSameTree(p.right, q.right)
+}
+
+function isSubtree(root: TreeNode | null, subRoot: TreeNode | null): boolean {
+        if (!subRoot) return true
+    if (!root) return false
+    if (isSameTree(root, subRoot)) return true
+    return isSubtree(root.left, subRoot) || isSubtree(root.right, subRoot)
+};