.problemSiteData.json

[
  {
     "neetcode150":true,
     "blind75":true,
     "problem":"Contains Duplicate",
     "pattern":"Arrays & Hashing",
     "link":"contains-duplicate/",
     "video":"3OamzN90kPg",
     "difficulty":"Easy",
     "python":true,
     "java":true,
     "cpp":true,
     "javascript":true,
     "code":"0217-contains-duplicate",
     "c":true,
     "csharp":true,
     "typescript":true,
     "go":true,
     "ruby":true,
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     "kotlin":true,
     "rust":true,
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  },
  {
     "neetcode150":true,
     "blind75":true,
     "problem":"Valid Anagram",
     "pattern":"Arrays & Hashing",
     "link":"valid-anagram/",
     "video":"9UtInBqnCgA",
     "difficulty":"Easy",
     "python":true,
     "java":true,
     "cpp":true,
     "javascript":true,
     "code":"0242-valid-anagram",
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     "csharp":true,
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     "ruby":true,
     "swift":true,
     "kotlin":true,
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     "scala":true,
     "dart":true
  },
  {
     "problem":"Concatenation of Array",
     "pattern":"Arrays & Hashing",
     "link":"concatenation-of-array/",
     "video":"68isPRHgcFQ",
     "difficulty":"Easy",
     "code":"1929-concatenation-of-array",
     "python":true,
     "cpp":true,
     "java":true,
     "javascript":true,
     "kotlin":true,
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     "typescript":true,
     "go":true,
     "swift":true,
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     "scala":true,
     "dart":true
  },
  {
     "problem":"Replace Elements With Greatest Element On Right Side",
     "pattern":"Arrays & Hashing",
     "link":"replace-elements-with-greatest-element-on-right-side/",
     "video":"ZHjKhUjcsaU",
     "difficulty":"Easy",
     "code":"1299-replace-elements-with-greatest-element-on-right-side",
     "c":true,
     "cpp":true,
     "csharp":true,
     "java":true,
     "python":true,
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     "typescript":true,
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  },
  {
     "problem":"Is Subsequence",
     "pattern":"Arrays & Hashing",
     "link":"is-subsequence/",
     "video":"99RVfqklbCE",
     "difficulty":"Easy",
     "code":"0392-is-subsequence",
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     "cpp":true,
     "csharp":true,
     "java":true,
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     "typescript":true,
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     "swift":true
  },
  {
     "problem":"Length of Last Word",
     "pattern":"Arrays & Hashing",
     "link":"length-of-last-word/",
     "video":"KT9rltZTybQ",
     "difficulty":"Easy",
     "code":"0058-length-of-last-word",
     "c":true,
     "cpp":true,
     "csharp":true,
     "java":true,
     "python":true,
     "javascript":true,
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     "swift":true,
     "dart":true,
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  },
  {
     "neetcode150":true,
     "blind75":true,
     "problem":"Two Sum",
     "pattern":"Arrays & Hashing",
     "link":"two-sum/",
     "video":"KLlXCFG5TnA",
     "difficulty":"Easy",
     "python":true,
     "java":true,
     "cpp":true,
     "javascript":true,
     "code":"0001-two-sum",
     "c":true,
     "csharp":true,
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     "ruby":true,
     "swift":true,
     "kotlin":true,
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  },
  {
     "problem":"Longest Common Prefix",
     "pattern":"Arrays & Hashing",
     "link":"longest-common-prefix/",
     "video":"0sWShKIJoo4",
     "difficulty":"Easy",
     "code":"0014-longest-common-prefix",
     "cpp":true,
     "python":true,
     "javascript":true,
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     "csharp":true,
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  },
  {
     "neetcode150":true,
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     "problem":"Group Anagrams",
     "pattern":"Arrays & Hashing",
     "link":"group-anagrams/",
     "video":"vzdNOK2oB2E",
     "difficulty":"Medium",
     "python":true,
     "java":true,
     "cpp":true,
     "javascript":true,
     "code":"0049-group-anagrams",
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     "swift":true,
     "kotlin":true,
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     "scala":true
  },
  {
     "problem":"Pascals Triangle",
     "pattern":"Arrays & Hashing",
     "link":"pascals-triangle/",
     "video":"nPVEaB3AjUM",
     "difficulty":"Easy",
     "code":"0118-pascals-triangle",
     "c":true,
     "cpp":true,
     "java":true,
     "python":true,
     "javascript":true,
     "typescript":true,
     "rust":true,
     "csharp":true,
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     "kotlin":true
  },
  {
     "problem":"Remove Element",
     "pattern":"Arrays & Hashing",
     "link":"remove-element/",
     "video":"Pcd1ii9P9ZI",
     "difficulty":"Easy",
     "code":"0027-remove-element",
     "c":true,
     "java":true,
     "python":true,
     "javascript":true,
     "typescript":true,
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     "cpp":true,
     "csharp":true,
     "swift":true,
     "rust":true,
     "dart":true,
     "kotlin":true
  },
  {
     "problem":"Unique Email Addresses",
     "pattern":"Arrays & Hashing",
     "link":"unique-email-addresses/",
     "video":"TC_xLIWl7qY",
     "difficulty":"Easy",
     "code":"0929-unique-email-addresses",
     "java":true,
     "python":true,
     "javascript":true,
     "typescript":true,
     "swift":true,
     "cpp":true,
     "csharp":true,
     "go":true,
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     "c":true,
     "kotlin":true
  },
  {
     "problem":"Isomorphic Strings",
     "pattern":"Arrays & Hashing",
     "link":"isomorphic-strings/",
     "video":"7yF-U1hLEqQ",
     "difficulty":"Easy",
     "code":"0205-isomorphic-strings",
     "c":true,
     "java":true,
     "python":true,
     "javascript":true,
     "typescript":true,
     "swift":true,
     "cpp":true,
     "csharp":true,
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     "rust":true,
     "kotlin":true
  },
  {
     "problem":"Can Place Flowers",
     "pattern":"Arrays & Hashing",
     "link":"can-place-flowers/",
     "video":"ZGxqqjljpUI",
     "difficulty":"Easy",
     "code":"0605-can-place-flowers",
     "c":true,
     "cpp":true,
     "python":true,
     "javascript":true,
     "typescript":true,
     "csharp":true,
     "go":true,
     "rust":true,
     "java":true,
     "kotlin":true,
     "swift":true
  },
  {
     "problem":"Majority Element",
     "pattern":"Arrays & Hashing",
     "link":"majority-element/",
     "video":"7pnhv842keE",
     "difficulty":"Easy",
     "code":"0169-majority-element",
     "c":true,
     "cpp":true,
     "python":true,
     "javascript":true,
     "typescript":true,
     "swift":true,
     "csharp":true,
     "java":true,
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     "kotlin":true,
     "rust":true
  },
  {
     "problem":"Next Greater Element I",
     "pattern":"Arrays & Hashing",
     "link":"next-greater-element-i/",
     "video":"68a1Dc_qVq4",
     "difficulty":"Easy",
     "code":"0496-next-greater-element-i",
     "java":true,
     "python":true,
     "typescript":true,
     "c":true,
     "cpp":true,
     "csharp":true,
     "javascript":true,
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     "rust":true,
     "kotlin":true
  },
  {
     "problem":"Find Pivot Index",
     "pattern":"Arrays & Hashing",
     "link":"find-pivot-index/",
     "video":"u89i60lYx8U",
     "difficulty":"Easy",
     "code":"0724-find-pivot-index",
     "c":true,
     "cpp":true,
     "java":true,
     "python":true,
     "javascript":true,
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     "rust":true,
     "csharp":true,
     "kotlin":true,
     "swift":true
  },
  {
     "problem":"Range Sum Query - Immutable",
     "pattern":"Arrays & Hashing",
     "link":"range-sum-query-immutable/",
     "video":"2pndAmo_sMA",
     "difficulty":"Easy",
     "code":"0303-range-sum-query-immutable",
     "python":true,
     "c":true,
     "cpp":true,
     "java":true,
     "kotlin":true,
     "csharp":true,
     "javascript":true,
     "rust":true
  },
  {
     "problem":"Find All Numbers Disappeared in An Array",
     "pattern":"Arrays & Hashing",
     "link":"find-all-numbers-disappeared-in-an-array/",
     "video":"8i-f24YFWC4",
     "difficulty":"Easy",
     "code":"0448-find-all-numbers-disappeared-in-an-array",
     "cpp":true,
     "java":true,
     "python":true,
     "javascript":true,
     "c":true,
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     "csharp":true,
     "kotlin":true
  },
  {
     "problem":"Maximum Number of Balloons",
     "pattern":"Arrays & Hashing",
     "link":"maximum-number-of-balloons/",
     "video":"G9xeB2-7PqY",
     "difficulty":"Easy",
     "code":"1189-maximum-number-of-balloons",
     "c":true,
     "java":true,
     "python":true,
     "javascript":true,
     "cpp":true,
     "typescript":true,
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     "rust":true,
     "csharp":true,
     "kotlin":true
  },
  {
     "problem":"Word Pattern",
     "pattern":"Arrays & Hashing",
     "link":"word-pattern/",
     "video":"W_akoecmCbM",
     "difficulty":"Easy",
     "code":"0290-word-pattern",
     "java":true,
     "python":true,
     "javascript":true,
     "typescript":true,
     "c":true,
     "cpp":true,
     "go":true,
     "rust":true,
     "csharp":true,
     "kotlin":true
  },
  {
     "problem":"Design HashSet",
     "pattern":"Arrays & Hashing",
     "link":"design-hashset/",
     "video":"VymjPQUXjL8",
     "difficulty":"Easy",
     "code":"0705-design-hashset",
     "kotlin":true,
     "c":true,
     "cpp":true,
     "java":true,
     "python":true,
     "javascript":true,
     "rust":true
  },
  {
     "problem":"Design HashMap",
     "pattern":"Arrays & Hashing",
     "link":"design-hashmap/",
     "video":"cNWsgbKwwoU",
     "difficulty":"Easy",
     "code":"0706-design-hashmap",
     "python":true,
     "c":true,
     "cpp":true,
     "java":true,
     "javascript":true,
     "kotlin":true,
     "rust":true
  },
  {
     "problem":"Sort an Array",
     "pattern":"Arrays & Hashing",
     "link":"sort-an-array/",
     "video":"MsYZSinhuFo",
     "difficulty":"Medium",
     "code":"0912-sort-an-array",
     "python":true,
     "java":true,
     "kotlin":true,
     "cpp":true,
     "csharp":true,
     "javascript":true,
     "go":true,
     "rust":true
  },
  {
     "neetcode150":true,
     "blind75":true,
     "problem":"Top K Frequent Elements",
     "pattern":"Arrays & Hashing",
     "link":"top-k-frequent-elements/",
     "video":"YPTqKIgVk-k",
     "difficulty":"Medium",
     "python":true,
     "java":true,
     "cpp":true,
     "javascript":true,
     "code":"0347-top-k-frequent-elements",
     "csharp":true,
     "typescript":true,
     "go":true,
     "ruby":true,
     "swift":true,
     "kotlin":true,
     "rust":true,
     "c":true,
     "scala":true
  },
  {
     "neetcode150":true,
     "blind75":true,
     "problem":"Product of Array Except Self",
     "pattern":"Arrays & Hashing",
     "link":"product-of-array-except-self/",
     "video":"bNvIQI2wAjk",
     "difficulty":"Medium",
     "python":true,
     "java":true,
     "cpp":true,
     "javascript":true,
     "code":"0238-product-of-array-except-self",
     "c":true,
     "csharp":true,
     "typescript":true,
     "go":true,
     "ruby":true,
     "swift":true,
     "kotlin":true,
     "rust":true
  },
  {
     "neetcode150":true,
     "problem":"Valid Sudoku",
     "pattern":"Arrays & Hashing",
     "link":"valid-sudoku/",
     "video":"TjFXEUCMqI8",
     "difficulty":"Medium",
     "python":true,
     "java":true,
     "cpp":true,
     "javascript":true,
     "code":"0036-valid-sudoku",
     "c":true,
     "csharp":true,
     "typescript":true,
     "go":true,
     "ruby":true,
     "kotlin":true,
     "rust":true,
     "dart":true,
     "scala":true
  },
  {
     "neetcode150":true,
     "blind75":true,
     "problem":"Encode and Decode Strings",
     "premium":true,
     "freeLink":"https://www.lintcode.com/problem/659/",
     "pattern":"Arrays & Hashing",
     "link":"encode-and-decode-strings/",
     "video":"B1k_sxOSgv8",
     "difficulty":"Medium",
     "python":true,
     "java":true,
     "cpp":true,
     "javascript":true,
     "code":"0271-encode-and-decode-strings",
     "csharp":true,
     "go":true,
     "ruby":true,
     "swift":true,
     "rust":true,
     "typescript":true,
     "kotlin":true
  },
  {
     "neetcode150":true,
     "blind75":true,
     "problem":"Longest Consecutive Sequence",
     "pattern":"Arrays & Hashing",
     "link":"longest-consecutive-sequence/",
     "video":"P6RZZMu_maU",
     "difficulty":"Medium",
     "python":true,
     "java":true,
     "cpp":true,
     "javascript":true,
     "code":"0128-longest-consecutive-sequence",
     "csharp":true,
     "typescript":true,
     "go":true,
     "ruby":true,
     "swift":true,
     "kotlin":true,
     "rust":true,
     "c":true
  },
  {
     "problem":"Sort Colors",
     "pattern":"Arrays & Hashing",
     "link":"sort-colors/",
     "video":"4xbWSRZHqac",
     "difficulty":"Medium",
     "code":"0075-sort-colors",
     "c":true,
     "java":true,
     "javascript":true,
     "go":true,
     "kotlin":true,
     "cpp":true,
     "python":true,
     "typescript":true,
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     "rust":true,
     "swift":true
  },
  {
     "problem":"Encode and Decode TinyURL",
     "pattern":"Arrays & Hashing",
     "link":"encode-and-decode-tinyurl/",
     "video":"VyBOaboQLGc",
     "difficulty":"Medium",
     "code":"0535-encode-and-decode-tinyurl",
     "javascript":true,
     "cpp":true,
     "python":true,
     "typescript":true,
     "go":true,
     "rust":true,
     "swift":true,
     "kotlin":true,
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     "java":true
  },
  {
     "problem":"Brick Wall",
     "pattern":"Arrays & Hashing",
     "link":"brick-wall/",
     "video":"Kkmv2h48ekw",
     "difficulty":"Medium",
     "code":"0554-brick-wall",
     "javascript":true,
     "typescript":true,
     "c":true,
     "cpp":true,
     "java":true,
     "python":true,
     "rust":true,
     "kotlin":true
  },
  {
     "problem":"Best Time to Buy And Sell Stock II",
     "pattern":"Arrays & Hashing",
     "link":"best-time-to-buy-and-sell-stock-ii/",
     "video":"3SJ3pUkPQMc",
     "difficulty":"Medium",
     "code":"0122-best-time-to-buy-and-sell-stock-ii",
     "c":true,
     "javascript":true,
     "go":true,
     "cpp":true,
     "java":true,
     "python":true,
     "kotlin":true,
     "rust":true
  },
  {
     "problem":"Subarray Sum Equals K",
     "pattern":"Arrays & Hashing",
     "link":"subarray-sum-equals-k/",
     "video":"fFVZt-6sgyo",
     "difficulty":"Medium",
     "code":"0560-subarray-sum-equals-k",
     "java":true,
     "cpp":true,
     "go":true,
     "c":true,
     "python":true,
     "javascript":true,
     "typescript":true,
     "kotlin":true,
     "rust":true,
     "csharp":true
  },
  {
     "problem":"Unique Length 3 Palindromic Subsequences",
     "pattern":"Arrays & Hashing",
     "link":"unique-length-3-palindromic-subsequences/",
     "video":"3THUt0vAFLU",
     "difficulty":"Medium",
     "code":"1930-unique-length-3-palindromic-subsequences",
     "cpp":true,
     "java":true,
     "kotlin":true,
     "c":true,
     "python":true,
     "javascript":true,
     "typescript":true,
     "rust":true
  },
  {
     "problem":"Minimum Number of Swaps to Make The String Balanced",
     "pattern":"Arrays & Hashing",
     "link":"minimum-number-of-swaps-to-make-the-string-balanced/",
     "video":"3YDBT9ZrfaU",
     "difficulty":"Medium",
     "code":"1963-minimum-number-of-swaps-to-make-the-string-balanced",
     "javascript":true,
     "cpp":true,
     "c":true,
     "python":true,
     "kotlin":true,
     "java":true,
     "rust":true
  },
  {
     "problem":"Number of Pairs of Interchangeable Rectangles",
     "pattern":"Arrays & Hashing",
     "link":"number-of-pairs-of-interchangeable-rectangles/",
     "video":"lEQ8ZlLOuyQ",
     "difficulty":"Medium",
     "code":"2001-number-of-pairs-of-interchangeable-rectangles",
     "javascript":true,
     "cpp":true,
     "python":true,
     "c":true,
     "java":true,
     "rust":true,
     "kotlin":true
  },
  {
     "problem":"Maximum Product of The Length of Two Palindromic Subsequences",
     "pattern":"Arrays & Hashing",
     "link":"maximum-product-of-the-length-of-two-palindromic-subsequences/",
     "video":"aoHbYlO8vDg",
     "difficulty":"Medium",
     "code":"2002-maximum-product-of-the-length-of-two-palindromic-subsequences",
     "cpp":true,
     "c":true,
     "csharp":true,
     "java":true,
     "python":true,
     "javascript":true,
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  },
  {
     "problem":"Grid Game",
     "pattern":"Arrays & Hashing",
     "link":"grid-game/",
     "video":"N4wDSOw65hI",
     "difficulty":"Medium",
     "code":"2017-grid-game",
     "python":true,
     "cpp":true,
     "kotlin":true,
     "java":true,
     "javascript":true,
     "rust":true
  },
  {
     "problem":"Find All Anagrams in a String",
     "pattern":"Arrays & Hashing",
     "link":"find-all-anagrams-in-a-string/",
     "video":"G8xtZy0fDKg",
     "difficulty":"Medium",
     "code":"0438-find-all-anagrams-in-a-string",
     "cpp":true,
     "csharp":true,
     "python":true,
     "java":true,
     "javascript":true,
     "go":true,
     "kotlin":true,
     "c":true
  },
  {
     "problem":"Find The Index of The First Occurrence in a String",
     "pattern":"Arrays & Hashing",
     "link":"find-the-index-of-the-first-occurrence-in-a-string/",
     "video":"JoF0Z7nVSrA",
     "difficulty":"Easy",
     "code":"0028-find-the-index-of-the-first-occurrence-in-a-string",
     "python":true,
     "cpp":true,
     "go":true,
     "c":true,
     "java":true,
     "kotlin":true,
     "csharp":true,
     "javascript":true
  },
  {
     "problem":"Wiggle Sort",
     "pattern":"Arrays & Hashing",
     "premium":true,
     "freeLink":"https://www.lintcode.com/problem/508/",
     "link":"wiggle-sort/",
     "video":"vGsyTE4s34w",
     "difficulty":"Medium",
     "code":"0280-wiggle-sort",
     "cpp":true,
     "python":true,
     "kotlin":true
  },
  {
     "problem":"Largest Number",
     "pattern":"Arrays & Hashing",
     "link":"largest-number/",
     "video":"WDx6Y4i4xJ8",
     "difficulty":"Medium",
     "code":"0179-largest-number",
     "typescript":true,
     "cpp":true,
     "java":true,
     "kotlin":true,
     "c":true,
     "csharp":true,
     "python":true,
     "javascript":true,
     "go":true,
     "ruby":true,
     "swift":true,
     "rust":true,
     "scala":true
  },
  {
     "problem":"Continuous Subarray Sum",
     "pattern":"Arrays & Hashing",
     "link":"continuous-subarray-sum/",
     "video":"OKcrLfR-8mE",
     "difficulty":"Medium",
     "code":"0523-continuous-subarray-sum",
     "java":true,
     "python":true,
     "cpp":true,
     "kotlin":true,
     "c":true,
     "javascript":true,
     "rust":true
  },
  {
     "problem":"Push Dominoes",
     "pattern":"Arrays & Hashing",
     "link":"push-dominoes/",
     "video":"evUFsOb_iLY",
     "difficulty":"Medium",
     "code":"0838-push-dominoes",
     "typescript":true,
     "cpp":true,
     "python":true,
     "kotlin":true,
     "java":true
  },
  {
     "problem":"Repeated DNA Sequences",
     "pattern":"Arrays & Hashing",
     "link":"repeated-dna-sequences/",
     "video":"FzTYfsmtOso",
     "difficulty":"Medium",
     "code":"0187-repeated-dna-sequences",
     "java":true,
     "typescript":true,
     "cpp":true,
     "kotlin":true,
     "python":true,
     "javascript":true
  },
  {
     "problem":"Insert Delete Get Random O(1)",
     "pattern":"Arrays & Hashing",
     "link":"insert-delete-getrandom-o1/",
     "video":"j4KwhBziOpg",
     "difficulty":"Medium",
     "code":"0380-insert-delete-getrandom-o1",
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  {
     "problem":"Check if a String Contains all Binary Codes of Size K",
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     "link":"check-if-a-string-contains-all-binary-codes-of-size-k/",
     "video":"qU32rTy_kOM",
     "difficulty":"Medium",
     "code":"1461-check-if-a-string-contains-all-binary-codes-of-size-k",
     "cpp":true,
     "kotlin":true,
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     "javascript":true
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  {
     "problem":"Range Sum Query 2D Immutable",
     "pattern":"Arrays & Hashing",
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     "video":"KE8MQuwE2yA",
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     "code":"0304-range-sum-query-2d-immutable",
     "cpp":true,
     "python":true,
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  {
     "problem":"Non Decreasing Array",
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     "link":"non-decreasing-array/",
     "video":"RegQckCegDk",
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  {
     "problem":"First Missing Positive",
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     "difficulty":"Hard",
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     "problem":"Sign of An Array",
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     "link":"sign-of-the-product-of-an-array/",
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  {
     "problem":"Find the Difference of Two Arrays",
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  {
     "problem":"Design Parking System",
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     "kotlin":true,
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  {
     "problem":"Number of Zero-Filled Subarrays",
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     "code":"2348-number-of-zero-filled-subarrays",
     "kotlin":true,
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     "python":true
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     "problem":"Optimal Partition of String",
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     "difficulty":"Medium",
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     "kotlin":true,
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     "kotlin":true,
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     "problem":"Minimum Penalty for a Shop",
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     "problem":"Text Justification",
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     "difficulty":"Hard",
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     "problem":"Naming a Company",
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     "neetcode150":true,
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     "code":"0125-valid-palindrome",
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     "problem":"Minimum Difference Between Highest And Lowest of K Scores",
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     "problem":"Merge Strings Alternately",
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     "problem":"Reverse String",
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     "code":"0344-reverse-string",
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     "problem":"Move Zeroes",
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     "neetcode150":true,
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     "neetcode150":true,
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     "problem":"Rotate Array",
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     "problem":"Array With Elements Not Equal to Average of Neighbors",
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     "neetcode150":true,
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     "problem":"Best Time to Buy And Sell Stock",
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     "python":true,
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     "problem":"Number of Sub Arrays of Size K and Avg Greater than or Equal to Threshold",
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     "problem":"Minimum Operations to Reduce X to Zero",
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     "problem":"Check if There is a Valid Partition For The Array",
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     "link":"check-if-there-is-a-valid-partition-for-the-array/",
     "video":"OxXPiwWFdTI",
     "difficulty":"Medium",
     "code":"2369-check-if-there-is-a-valid-partition-for-the-array",
     "kotlin":true
  },
  {
     "problem":"Maximum Subarray Min Product",
     "pattern":"1-D Dynamic Programming",
     "link":"maximum-subarray-min-product/",
     "video":"YLesLbNkyjA",
     "difficulty":"Medium",
     "code":"1856-maximum-subarray-min-product",
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  {
     "problem":"Minimum Cost For Tickets",
     "pattern":"1-D Dynamic Programming",
     "link":"minimum-cost-for-tickets/",
     "video":"4pY1bsBpIY4",
     "difficulty":"Medium",
     "code":"0983-minimum-cost-for-tickets",
     "cpp":true,
     "kotlin":true,
     "c":true
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  {
     "problem":"Integer Break",
     "pattern":"1-D Dynamic Programming",
     "link":"integer-break/",
     "video":"in6QbUPMJ3I",
     "difficulty":"Medium",
     "code":"0343-integer-break",
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     "java":true
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  {
     "problem":"Number of Longest Increasing Subsequence",
     "pattern":"1-D Dynamic Programming",
     "link":"number-of-longest-increasing-subsequence/",
     "video":"Tuc-rjJbsXU",
     "difficulty":"Medium",
     "code":"0673-number-of-longest-increasing-subsequence",
     "python":true,
     "kotlin":true,
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  },
  {
     "problem":"Stickers to Spell Word",
     "pattern":"1-D Dynamic Programming",
     "link":"stickers-to-spell-word/",
     "video":"hsomLb6mUdI",
     "difficulty":"Hard",
     "code":"0691-stickers-to-spell-word",
     "c":true,
     "kotlin":true
  },
  {
     "problem":"N-th Tribonacci Number",
     "pattern":"1-D Dynamic Programming",
     "link":"n-th-tribonacci-number/",
     "video":"3lpNp5Ojvrw",
     "difficulty":"Easy",
     "code":"1137-n-th-tribonacci-number",
     "python":true,
     "javascript":true,
     "typescript":true,
     "go":true,
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  {
     "problem":"Uncrossed Lines",
     "pattern":"1-D Dynamic Programming",
     "link":"uncrossed-lines/",
     "video":"mnJF4vJ7GyE",
     "difficulty":"Medium",
     "code":"1035-uncrossed-lines",
     "kotlin":true,
     "c":true
  },
  {
     "problem":"Solving Questions With Brainpower",
     "pattern":"1-D Dynamic Programming",
     "link":"solving-questions-with-brainpower/",
     "video":"D7TD_ArkfkA",
     "difficulty":"Medium",
     "code":"2140-solving-questions-with-brainpower",
     "kotlin":true,
     "c":true,
     "cpp":true
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  {
     "problem":"Count Ways to Build Good Strings",
     "pattern":"1-D Dynamic Programming",
     "link":"count-ways-to-build-good-strings/",
     "video":"JKpVHG2mhbk",
     "difficulty":"Medium",
     "code":"2466-count-ways-to-build-good-strings",
     "kotlin":true,
     "c":true
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  {
     "problem":"New 21 Game",
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     "link":"new-21-game/",
     "video":"zKi4LzjK27k",
     "difficulty":"Medium",
     "code":"0837-new-21-game",
     "kotlin":true,
     "c":true,
     "javascript":true
  },
  {
     "problem":"Best Team with no Conflicts",
     "pattern":"1-D Dynamic Programming",
     "link":"best-team-with-no-conflicts/",
     "video":"7kURH3btcV4",
     "difficulty":"Medium",
     "code":"1626-best-team-with-no-conflicts",
     "c":true,
     "kotlin":true
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  {
     "problem":"Stone Game III",
     "pattern":"1-D Dynamic Programming",
     "link":"stone-game-iii/",
     "video":"HsLG5QW9CFQ",
     "difficulty":"Hard",
     "code":"1406-stone-game-iii",
     "kotlin":true,
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  {
     "problem":"Concatenated Words",
     "pattern":"1-D Dynamic Programming",
     "link":"concatenated-words/",
     "video":"iHp7fjw1R28",
     "difficulty":"Hard",
     "code":"0472-concatenated-words",
     "javascript":true,
     "typescript":true,
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     "rust":true,
     "kotlin":true
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  {
     "problem":"Maximize Score after N Operations",
     "pattern":"1-D Dynamic Programming",
     "link":"maximize-score-after-n-operations/",
     "video":"RRQVDqp5RSE",
     "difficulty":"Hard",
     "code":"1799-maximize-score-after-n-operations",
     "kotlin":true,
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  {
     "problem":"Find the Longest Valid Obstacle Course at Each Position",
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     "video":"Xq9VT7p0lic",
     "difficulty":"Hard",
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     "kotlin":true,
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  {
     "problem":"Count all Valid Pickup and Delivery Options",
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     "java":true,
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     "problem":"Unique Paths",
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     "link":"unique-paths/",
     "video":"IlEsdxuD4lY",
     "difficulty":"Medium",
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     "code":"0062-unique-paths",
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     "problem":"Unique Paths II",
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     "difficulty":"Medium",
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     "problem":"Longest Common Subsequence",
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     "video":"Ua0GhsJSlWM",
     "difficulty":"Medium",
     "python":true,
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     "problem":"Longest Palindromic Subsequence",
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     "link":"longest-palindromic-subsequence/",
     "video":"bUr8cNWI09Q",
     "difficulty":"Medium",
     "python":true,
     "code":"0516-longest-palindromic-subsequence",
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     "problem":"Last Stone Weight II",
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     "link":"last-stone-weight-ii/",
     "video":"gdXkkmzvR3c",
     "difficulty":"Medium",
     "python":true,
     "code":"1049-last-stone-weight-ii",
     "kotlin":true
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     "neetcode150":true,
     "problem":"Best Time to Buy And Sell Stock With Cooldown",
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     "video":"I7j0F7AHpb8",
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     "python":true,
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     "javascript":true,
     "code":"0309-best-time-to-buy-and-sell-stock-with-cooldown",
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     "code":"0518-coin-change-ii",
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     "problem":"Minimum Path Sum",
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     "problem":"Ones and Zeroes",
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     "difficulty":"Medium",
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     "problem":"Maximum Alternating Subsequence Sum",
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     "code":"5782-maximum-alternating-subsequence-sum"
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     "javascript":true,
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     "problem":"Edit Distance",
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     "link":"edit-distance/",
     "video":"XYi2-LPrwm4",
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     "problem":"Count Vowels Permutation",
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     "link":"count-vowels-permutation/",
     "video":"VUVpTZVa7Ls",
     "difficulty":"Hard",
     "code":"1220-count-vowels-permutation",
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     "neetcode150":true,
     "problem":"Burst Balloons",
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     "link":"burst-balloons/",
     "video":"VFskby7lUbw",
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     "java":true,
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     "javascript":true,
     "code":"0312-burst-balloons",
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     "problem":"Number of Ways to Rearrange Sticks With K Sticks Visible",
     "pattern":"2-D Dynamic Programming",
     "link":"number-of-ways-to-rearrange-sticks-with-k-sticks-visible/",
     "video":"O761YBjGxGA",
     "difficulty":"Hard",
     "code":"1866-number-of-ways-to-rearrange-sticks-with-k-sticks-visible",
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     "problem":"Regular Expression Matching",
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     "problem":"Stone Game II",
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     "problem":"Flip String to Monotone Increasing",
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     "link":"flip-string-to-monotone-increasing/",
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     "code":"0926-flip-string-to-monotone-increasing",
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     "problem":"Maximum Value of K Coins from Piles",
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     "video":"ZRdEd_eun8g",
     "difficulty":"Hard",
     "code":"2218-maximum-value-of-k-coins-from-piles",
     "kotlin":true
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     "problem":"Number of Music Playlists",
     "pattern":"2-D Dynamic Programming",
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     "difficulty":"Hard",
     "code":"0920-number-of-music-playlists",
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     "problem":"Number of Ways to Form a Target String Given a Dictionary",
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     "difficulty":"Hard",
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     "problem":"Profitable Schemes",
     "pattern":"2-D Dynamic Programming",
     "link":"profitable-schemes/",
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     "difficulty":"Hard",
     "code":"0879-profitable-schemes",
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     "problem":"Minimum Cost to Cut a Stick",
     "pattern":"2-D Dynamic Programming",
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     "video":"EVxTO5I0d7w",
     "difficulty":"Hard",
     "code":"1547-minimum-cost-to-cut-a-stick",
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     "problem":"Maximum Subarray",
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     "video":"5WZl3MMT0Eg",
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     "problem":"Maximum Sum Circular Subarray",
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     "problem":"Longest Turbulent Array",
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     "problem":"Jump Game",
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     "link":"gas-station/",
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     "code":"0134-gas-station",
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     "problem":"Hand of Straights",
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     "problem":"Maximum Points You Can Obtain From Cards",
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     "problem":"Valid Parenthesis String",
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     "link":"valid-parenthesis-string/",
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     "problem":"Eliminate Maximum Number of Monsters",
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     "problem":"Two City Scheduling",
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     "problem":"Difference Between Two Objects",
     "pattern":"JavaScript",
     "link":"differences-between-two-objects/",
     "video":"gH7oZs1WZfg",
     "difficulty":"Medium",
     "code":"2700-differences-between-two-objects"
  },
  {
     "problem":"Chunk Array",
     "pattern":"JavaScript",
     "link":"chunk-array/",
     "video":"VUN-O3B9ceY",
     "difficulty":"Easy",
     "code":"2677-chunk-array"
  },
  {
     "problem":"Flatten Deeply Nested Array",
     "pattern":"JavaScript",
     "link":"flatten-deeply-nested-array/",
     "video":"_DetLPKtFNk",
     "difficulty":"Medium",
     "code":"2625-flatten-deeply-nested-array"
  },
  {
     "problem":"Array Prototype Last",
     "pattern":"JavaScript",
     "link":"array-prototype-last/",
     "video":"3JdtfMBrUqc",
     "difficulty":"Easy",
     "code":"2619-array-prototype-last"
  },
  {
     "problem":"Group By",
     "pattern":"JavaScript",
     "link":"group-by/",
     "video":"zs9axOyYHRE",
     "difficulty":"Medium",
     "code":"2631-group-by"
  },
  {
     "problem":"Check if Object Instance of Class",
     "pattern":"JavaScript",
     "link":"check-if-object-instance-of-class/",
     "video":"meIo-Q07Ba8",
     "difficulty":"Medium",
     "code":"2618-check-if-object-instance-of-class"
  },
  {
     "problem":"Call Function with Custom Context",
     "pattern":"JavaScript",
     "link":"call-function-with-custom-context/",
     "video":"du_GH-Ooa8E",
     "difficulty":"Medium",
     "code":"2693-call-function-with-custom-context"
  },
  {
     "problem":"Event Emitter",
     "pattern":"JavaScript",
     "link":"event-emitter/",
     "video":"M69bjWFarU0",
     "difficulty":"Medium",
     "code":"2694-event-emitter"
  },
  {
     "problem":"Array Wrapper",
     "pattern":"JavaScript",
     "link":"array-wrapper/",
     "video":"XoGjPdPTAVA",
     "difficulty":"Easy",
     "code":"2695-array-wrapper"
  },
  {
     "problem":"Generate Fibonacci Sequence",
     "pattern":"JavaScript",
     "link":"generate-fibonacci-sequence/",
     "video":"T643rQ70Jlk",
     "difficulty":"Easy",
     "code":"2648-generate-fibonacci-sequence"
  },
  {
     "problem":"Nested Array Generator",
     "pattern":"JavaScript",
     "link":"nested-array-generator/",
     "video":"yo-J1jQaZYU",
     "difficulty":"Medium",
     "code":"2649-nested-array-generator"
  }
]