LeetCode/Topics/recursion/problems.json at main · gopal9097/LeetCode · GitHub

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{
  "version": 1,
  "topic": {
    "slug": "recursion",
    "name": "Recursion",
    "tagId": "31"
  },
  "updatedAt": "2026-10-29T15:23:59.819Z",
  "problems": [
    {
      "frontendId": "2",
      "title": "Add Two Numbers",
      "slug": "add-two-numbers",
      "problemName": "0002-add-two-numbers",
      "difficulty": "Medium",
      "leetcodeUrl": "https://leetcode.com/problems/add-two-numbers/",
      "folderPath": "0002-add-two-numbers/",
      "readmePath": "0002-add-two-numbers/README.md",
      "solutions": [
        {
          "language": "Python",
          "extension": ".py",
          "filename": "0002-add-two-numbers.py",
          "path": "0002-add-two-numbers/0002-add-two-numbers.py",
          "sha": "09dcf070eddad4936ee640404af47beeb1cde1fd",
          "lastSyncedAt": "2026-10-14T16:53:05.787Z"
        }
      ]
    },
    {
      "frontendId": "10",
      "title": "Regular Expression Matching",
      "slug": "regular-expression-matching",
      "problemName": "0010-regular-expression-matching",
      "difficulty": "Hard",
      "leetcodeUrl": "https://leetcode.com/problems/regular-expression-matching/",
      "folderPath": "0010-regular-expression-matching/",
      "readmePath": "0010-regular-expression-matching/README.md",
      "solutions": [
        {
          "language": "Python3",
          "extension": ".py",
          "filename": "0010-regular-expression-matching.py",
          "path": "0010-regular-expression-matching/0010-regular-expression-matching.py",
          "sha": "9def98746e28fe21bf78b0ca59a3ceab0fc03aa0",
          "lastSyncedAt": "2026-10-14T16:59:25.354Z"
        }
      ]
    },
    {
      "frontendId": "21",
      "title": "Merge Two Sorted Lists",
      "slug": "merge-two-sorted-lists",
      "problemName": "0021-merge-two-sorted-lists",
      "difficulty": "Easy",
      "leetcodeUrl": "https://leetcode.com/problems/merge-two-sorted-lists/",
      "folderPath": "0021-merge-two-sorted-lists/",
      "readmePath": "0021-merge-two-sorted-lists/README.md",
      "solutions": [
        {
          "language": "Python3",
          "extension": ".py",
          "filename": "0021-merge-two-sorted-lists.py",
          "path": "0021-merge-two-sorted-lists/0021-merge-two-sorted-lists.py",
          "sha": "01e1994620909c1b1a1969cb317293c0e2a9f325",
          "lastSyncedAt": "2026-10-25T13:39:25.238Z"
        }
      ]
    },
    {
      "frontendId": "24",
      "title": "Swap Nodes in Pairs",
      "slug": "swap-nodes-in-pairs",
      "problemName": "0024-swap-nodes-in-pairs",
      "difficulty": "Medium",
      "leetcodeUrl": "https://leetcode.com/problems/swap-nodes-in-pairs/",
      "folderPath": "0024-swap-nodes-in-pairs/",
      "readmePath": "0024-swap-nodes-in-pairs/README.md",
      "solutions": [
        {
          "language": "Python3",
          "extension": ".py",
          "filename": "0024-swap-nodes-in-pairs.py",
          "path": "0024-swap-nodes-in-pairs/0024-swap-nodes-in-pairs.py",
          "sha": "17341d3eda05df5de35d937fd132a148c17a00d9",
          "lastSyncedAt": "2026-10-27T18:47:04.475Z"
        }
      ]
    },
    {
      "frontendId": "25",
      "title": "Reverse Nodes in k-Group",
      "slug": "reverse-nodes-in-k-group",
      "problemName": "0025-reverse-nodes-in-k-group",
      "difficulty": "Hard",
      "leetcodeUrl": "https://leetcode.com/problems/reverse-nodes-in-k-group/",
      "folderPath": "0025-reverse-nodes-in-k-group/",
      "readmePath": "0025-reverse-nodes-in-k-group/README.md",
      "solutions": [
        {
          "language": "Python3",
          "extension": ".py",
          "filename": "0025-reverse-nodes-in-k-group.py",
          "path": "0025-reverse-nodes-in-k-group/0025-reverse-nodes-in-k-group.py",
          "sha": "db487d8ad5e8edde4727628d8fd9499628b097dd",
          "lastSyncedAt": "2026-10-29T15:23:59.819Z"
        }
      ]
    }
  ]
}