.problemSiteData.json

[
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      "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",
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   },
   {
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      "problem":"Valid Anagram",
      "pattern":"Arrays & Hashing",
      "link":"valid-anagram/",
      "video":"9UtInBqnCgA",
      "difficulty":"Easy",
      "python":true,
      "java":true,
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      "code":"0242-valid-anagram",
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   },
   {
      "problem":"Concatenation of Array",
      "pattern":"Arrays & Hashing",
      "link":"concatenation-of-array/",
      "video":"68isPRHgcFQ",
      "difficulty":"Easy",
      "code":"1929-concatenation-of-array",
      "python":true,
      "cpp":true,
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      "javascript":true,
      "kotlin":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",
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   },
   {
      "problem":"Is Subsequence",
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      "link":"is-subsequence/",
      "video":"99RVfqklbCE",
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   {
      "problem":"Length of Last Word",
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   },
   {
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      "problem":"Two Sum",
      "pattern":"Arrays & Hashing",
      "link":"two-sum/",
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   },
   {
      "problem":"Longest Common Prefix",
      "pattern":"Arrays & Hashing",
      "link":"longest-common-prefix/",
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      "difficulty":"Easy",
      "code":"0014-longest-common-prefix",
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   {
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      "problem":"Group Anagrams",
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      "link":"group-anagrams/",
      "video":"vzdNOK2oB2E",
      "difficulty":"Medium",
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   {
      "problem":"Pascals Triangle",
      "pattern":"Arrays & Hashing",
      "link":"pascals-triangle/",
      "video":"nPVEaB3AjUM",
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   },
   {
      "problem":"Remove Element",
      "pattern":"Arrays & Hashing",
      "link":"remove-element/",
      "video":"Pcd1ii9P9ZI",
      "difficulty":"Easy",
      "code":"0027-remove-element",
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   {
      "problem":"Unique Email Addresses",
      "pattern":"Arrays & Hashing",
      "link":"unique-email-addresses/",
      "video":"TC_xLIWl7qY",
      "difficulty":"Easy",
      "code":"0929-unique-email-addresses",
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      "python":true,
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   },
   {
      "problem":"Isomorphic Strings",
      "pattern":"Arrays & Hashing",
      "link":"isomorphic-strings/",
      "video":"7yF-U1hLEqQ",
      "difficulty":"Easy",
      "code":"0205-isomorphic-strings",
      "c":true,
      "java":true,
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      "swift":true,
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   },
   {
      "problem":"Can Place Flowers",
      "pattern":"Arrays & Hashing",
      "link":"can-place-flowers/",
      "video":"ZGxqqjljpUI",
      "difficulty":"Easy",
      "code":"0605-can-place-flowers",
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      "cpp":true,
      "python":true,
      "javascript":true,
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   },
   {
      "problem":"Majority Element",
      "pattern":"Arrays & Hashing",
      "link":"majority-element/",
      "video":"7pnhv842keE",
      "difficulty":"Easy",
      "code":"0169-majority-element",
      "c":true,
      "cpp":true,
      "python":true,
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      "swift":true,
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   },
   {
      "problem":"Next Greater Element I",
      "pattern":"Arrays & Hashing",
      "link":"next-greater-element-i/",
      "video":"68a1Dc_qVq4",
      "difficulty":"Easy",
      "code":"0496-next-greater-element-i",
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      "cpp":true,
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   },
   {
      "problem":"Find Pivot Index",
      "pattern":"Arrays & Hashing",
      "link":"find-pivot-index/",
      "video":"u89i60lYx8U",
      "difficulty":"Easy",
      "code":"0724-find-pivot-index",
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   },
   {
      "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,
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   },
   {
      "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",
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   },
   {
      "problem":"Maximum Number of Balloons",
      "pattern":"Arrays & Hashing",
      "link":"maximum-number-of-balloons/",
      "video":"G9xeB2-7PqY",
      "difficulty":"Easy",
      "code":"1189-maximum-number-of-balloons",
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   {
      "problem":"Word Pattern",
      "pattern":"Arrays & Hashing",
      "link":"word-pattern/",
      "video":"W_akoecmCbM",
      "difficulty":"Easy",
      "code":"0290-word-pattern",
      "java":true,
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   },
   {
      "problem":"Design HashSet",
      "pattern":"Arrays & Hashing",
      "link":"design-hashset/",
      "video":"VymjPQUXjL8",
      "difficulty":"Easy",
      "code":"0705-design-hashset",
      "kotlin":true
   },
   {
      "problem":"Design HashMap",
      "pattern":"Arrays & Hashing",
      "link":"design-hashmap/",
      "video":"cNWsgbKwwoU",
      "difficulty":"Easy",
      "code":"0706-design-hashmap",
      "python":true,
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   },
   {
      "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
   },
   {
      "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,
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      "javascript":true,
      "code":"0347-top-k-frequent-elements",
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   },
   {
      "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,
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      "javascript":true,
      "code":"0238-product-of-array-except-self",
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      "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",
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   },
   {
      "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",
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      "ruby":true,
      "swift":true,
      "rust":true,
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   },
   {
      "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",
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   },
   {
      "problem":"Sort Colors",
      "pattern":"Arrays & Hashing",
      "link":"sort-colors/",
      "video":"4xbWSRZHqac",
      "difficulty":"Medium",
      "code":"0075-sort-colors",
      "c":true,
      "java":true,
      "javascript":true,
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      "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,
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   },
   {
      "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,
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      "python":true,
      "rust":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",
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      "java":true,
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   },
   {
      "problem":"Subarray Sum Equals K",
      "pattern":"Arrays & Hashing",
      "link":"subarray-sum-equals-k/",
      "video":"fFVZt-6sgyo",
      "difficulty":"Medium",
      "code":"0560-subarray-sum-equals-k",
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   },
   {
      "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,
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   },
   {
      "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,
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   },
   {
      "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,
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   },
   {
      "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,
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   {
      "problem":"Grid Game",
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      "link":"grid-game/",
      "video":"N4wDSOw65hI",
      "difficulty":"Medium",
      "code":"2017-grid-game",
      "python":true,
      "cpp":true,
      "kotlin":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,
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   },
   {
      "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,
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      "c":true,
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   },
   {
      "problem":"Wiggle Sort",
      "pattern":"Arrays & Hashing",
      "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,
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      "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,
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      "c":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
   },
   {
      "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
   },
   {
      "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",
      "java":true,
      "typescript":true,
      "javascript":true,
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      "python":true
   },
   {
      "problem":"Check if a String Contains all Binary Codes of Size K",
      "pattern":"Arrays & Hashing",
      "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,
      "python":true
   },
   {
      "problem":"Range Sum Query 2D Immutable",
      "pattern":"Arrays & Hashing",
      "link":"range-sum-query-2d-immutable/",
      "video":"KE8MQuwE2yA",
      "difficulty":"Medium",
      "code":"0304-range-sum-query-2d-immutable",
      "cpp":true,
      "python":true,
      "kotlin":true
   },
   {
      "problem":"Non Decreasing Array",
      "pattern":"Arrays & Hashing",
      "link":"non-decreasing-array/",
      "video":"RegQckCegDk",
      "difficulty":"Medium",
      "code":"0665-non-decreasing-array",
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   {
      "problem":"First Missing Positive",
      "pattern":"Arrays & Hashing",
      "link":"first-missing-positive/",
      "video":"8g78yfzMlao",
      "difficulty":"Hard",
      "code":"0041-first-missing-positive",
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   {
      "problem":"Sign of An Array",
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      "link":"sign-of-the-product-of-an-array/",
      "video":"ILDLM86jNow",
      "difficulty":"Easy",
      "code":"1822-sign-of-the-product-of-an-array"
   },
   {
      "problem":"Find the Difference of Two Arrays",
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      "link":"find-the-difference-of-two-arrays/",
      "video":"a4wqKR-znBE",
      "difficulty":"Easy",
      "code":"2215-find-the-difference-of-two-arrays",
      "kotlin":true
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   {
      "problem":"Design Parking System",
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      "link":"design-parking-system/",
      "video":"d5zCHesOrSk",
      "difficulty":"Easy",
      "code":"1603-design-parking-system",
      "kotlin":true
   },
   {
      "problem":"Number of Zero-Filled Subarrays",
      "pattern":"Arrays & Hashing",
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      "video":"G-EWVGCcL_w",
      "difficulty":"Medium",
      "code":"2348-number-of-zero-filled-subarrays",
      "kotlin":true
   },
   {
      "problem":"Optimal Partition of String",
      "pattern":"Arrays & Hashing",
      "link":"optimal-partition-of-string/",
      "video":"CKZPdiXiQf0",
      "difficulty":"Medium",
      "code":"2405-optimal-partition-of-string",
      "kotlin":true
   },
   {
      "problem":"Design Underground System",
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      "link":"design-underground-system/",
      "video":"W5QOLqXskZM",
      "difficulty":"Medium",
      "code":"1396-design-underground-system",
      "kotlin":true
   },
   {
      "problem":"Naming a Company",
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      "video":"NrHpgTScOcY",
      "difficulty":"Hard",
      "code":"2306-naming-a-company",
      "kotlin":true
   },
   {
      "neetcode150":true,
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      "problem":"Valid Palindrome",
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      "link":"valid-palindrome/",
      "video":"jJXJ16kPFWg",
      "difficulty":"Easy",
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      "code":"0125-valid-palindrome",
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      "problem":"Valid Palindrome II",
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      "video":"JrxRYBwG6EI",
      "difficulty":"Easy",
      "code":"0680-valid-palindrome-ii",
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   {
      "problem":"Minimum Difference Between Highest And Lowest of K Scores",
      "pattern":"Two Pointers",
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      "video":"JU5XdBZZtlk",
      "difficulty":"Easy",
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   {
      "problem":"Merge Strings Alternately",
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      "video":"LECWOvTo-Sc",
      "difficulty":"Easy",
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   {
      "problem":"Reverse String",
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      "video":"_d0T_2Lk2qA",
      "difficulty":"Easy",
      "code":"0344-reverse-string",
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      "problem":"Merge Sorted Array",
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      "problem":"Move Zeroes",
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      "difficulty":"Easy",
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      "video":"DEJAZBq0FDA",
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      "code":"0026-remove-duplicates-from-sorted-array",
      "python":true,
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      "video":"ycAq8iqh0TI",
      "difficulty":"Medium",
      "code":"0080-remove-duplicates-from-sorted-array-ii",
      "python":true,
      "kotlin":true
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   {
      "neetcode150":true,
      "problem":"Two Sum II Input Array Is Sorted",
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   {
      "neetcode150":true,
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      "difficulty":"Medium",
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   },
   {
      "neetcode150":true,
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      "problem":"Container With Most Water",
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      "problem":"Number of Subsequences That Satisfy The Given Sum Condition",
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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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      "video":"1pkOgXD63yU",
      "difficulty":"Easy",
      "python":true,
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      "code":"0121-best-time-to-buy-and-sell-stock",
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   {
      "problem":"Number of Sub Arrays of Size K and Avg Greater than or Equal to Threshold",
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      "video":"D8B4tKxMTnY",
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   {
      "neetcode150":true,
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      "problem":"Longest Substring Without Repeating Characters",
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      "code":"0003-longest-substring-without-repeating-characters",
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      "neetcode150":true,
      "problem":"Permutation In String",
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      "problem":"Frequency of The Most Frequent Element",
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      "video":"vgBrQ0NM5vE",
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      "code":"1838-frequency-of-the-most-frequent-element",
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      "problem":"Fruits into Basket",
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      "link":"fruit-into-baskets/",
      "video":"yYtaV0G3mWQ",
      "difficulty":"Medium",
      "code":"0904-fruit-into-baskets",
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   {
      "problem":"Maximum Number of Vowels in a Substring of Given Length",
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      "problem":"Minimum Number of Flips to Make The Binary String Alternating",
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      "problem":"Minimum Size Subarray Sum",
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      "difficulty":"Medium",
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      "neetcode150":true,
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      "problem":"Minimum Window Substring",
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      "problem":"Valid Parentheses",
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      "code":"0020-valid-parentheses",
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      "problem":"132 Pattern",
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      "problem":"Binary Tree Inorder Traversal",
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      "problem":"Process Tasks Using Servers",
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      "video":"XKA22PecuMQ",
      "difficulty":"Medium",
      "code":"1882-process-tasks-using-servers"
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      "problem":"Find Closest Node to Given Two Nodes",
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      "problem":"Minimum Number of Vertices to Reach all Nodes",
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      "problem":"Is Graph Bipartite?",
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      "problem":"Evaluate Division",
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      "problem":"Detonate the Maximum Bombs",
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      "video":"8NPbAvVXKR4",
      "difficulty":"Medium",
      "code":"2101-detonate-the-maximum-bombs",
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      "problem":"Largest Color Value in a Directed Graph",
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      "video":"xLoDjKczUSk",
      "difficulty":"Hard",
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      "kotlin":true
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      "problem":"Minimum Number of Days to Eat N Oranges",
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      "problem":"Delete And Earn",
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      "problem":"Stickers to Spell Word",
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      "problem":"Best Team with no Conflicts",
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      "problem":"Maximize Score after N Operations",
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      "problem":"Number of Ways to Rearrange Sticks With K Sticks Visible",
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      "code":"2028-find-missing-observations"
   },
   {
      "neetcode150":true,
      "problem":"Single Number",
      "pattern":"Bit Manipulation",
      "link":"single-number/",
      "video":"qMPX1AOa83k",
      "difficulty":"Easy",
      "python":true,
      "java":true,
      "cpp":true,
      "javascript":true,
      "code":"0136-single-number",
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   },
   {
      "neetcode150":true,
      "blind75":true,
      "problem":"Number of 1 Bits",
      "pattern":"Bit Manipulation",
      "link":"number-of-1-bits/",
      "video":"5Km3utixwZs",
      "difficulty":"Easy",
      "python":true,
      "java":true,
      "cpp":true,
      "javascript":true,
      "code":"0191-number-of-1-bits",
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      "csharp":true,
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   },
   {
      "neetcode150":true,
      "blind75":true,
      "problem":"Counting Bits",
      "pattern":"Bit Manipulation",
      "link":"counting-bits/",
      "video":"RyBM56RIWrM",
      "difficulty":"Easy",
      "python":true,
      "java":true,
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      "javascript":true,
      "code":"0338-counting-bits",
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   },
   {
      "neetcode150":true,
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      "problem":"Reverse Bits",
      "pattern":"Bit Manipulation",
      "link":"reverse-bits/",
      "video":"UcoN6UjAI64",
      "difficulty":"Easy",
      "python":true,
      "java":true,
      "cpp":true,
      "javascript":true,
      "code":"0190-reverse-bits",
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   },
   {
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      "problem":"Missing Number",
      "pattern":"Bit Manipulation",
      "link":"missing-number/",
      "video":"WnPLSRLSANE",
      "difficulty":"Easy",
      "python":true,
      "java":true,
      "cpp":true,
      "javascript":true,
      "code":"0268-missing-number",
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   },
   {
      "problem":"Shuffle the Array",
      "pattern":"Bit Manipulation",
      "link":"shuffle-the-array/",
      "video":"IvIKD_EU8BY",
      "difficulty":"Easy",
      "code":"1470-shuffle-the-array",
      "javascript":true,
      "typescript":true,
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      "kotlin":true,
      "rust":true
   },
   {
      "problem":"Add to Array-Form of Integer",
      "pattern":"Bit Manipulation",
      "link":"add-to-array-form-of-integer/",
      "video":"eBTZQt1TWfk",
      "difficulty":"Easy",
      "code":"0989-add-to-array-form-of-integer",
      "javascript":true,
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      "go":true,
      "kotlin":true,
      "rust":true
   },
   {
      "neetcode150":true,
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      "problem":"Sum of Two Integers",
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      "video":"gVUrDV4tZfY",
      "difficulty":"Medium",
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      "code":"0371-sum-of-two-integers",
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   },
   {
      "neetcode150":true,
      "problem":"Reverse Integer",
      "pattern":"Bit Manipulation",
      "link":"reverse-integer/",
      "video":"HAgLH58IgJQ",
      "difficulty":"Medium",
      "python":true,
      "java":true,
      "cpp":true,
      "javascript":true,
      "code":"0007-reverse-integer",
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   },
   {
      "problem":"Add Binary",
      "pattern":"Bit Manipulation",
      "link":"add-binary/",
      "video":"keuWJ47xG8g",
      "difficulty":"Easy",
      "code":"0067-add-binary",
      "cpp":true,
      "java":true,
      "python":true,
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      "c":true
   },
   {
      "problem":"Create Hello World Function (Closure - Day1)",
      "pattern":"JavaScript",
      "link":"create-hello-world-function/",
      "video":"P9Ldx1eTlRc",
      "difficulty":"Easy",
      "code":"2667-create-hello-world-function"
   },
   {
      "problem":"Counter (Closure - Day2)",
      "pattern":"JavaScript",
      "link":"counter/",
      "video":"yEGQQAG5V68",
      "difficulty":"Easy",
      "code":"2620-counter"
   },
   {
      "problem":"Counter (Closure - Day3)",
      "pattern":"JavaScript",
      "link":"counter-ii/",
      "video":"UXNXKGFZD08",
      "difficulty":"Easy",
      "code":"2665-counter-ii"
   },
   {
      "problem":"Apply Transform over each Element in Array (Transform)",
      "pattern":"JavaScript",
      "link":"apply-transform-over-each-element-in-array/",
      "video":"7FhJHA5jlYk",
      "difficulty":"Easy",
      "code":"2635-apply-transform-over-each-element-in-array"
   },
   {
      "problem":"Filter Elements from Array (Transforms)",
      "pattern":"JavaScript",
      "link":"filter-elements-from-array/",
      "video":"w1o81gbEEJU",
      "difficulty":"Easy",
      "code":"2634-filter-elements-from-array"
   },
   {
      "problem":"Array Reduce Transformation (Transforms)",
      "pattern":"JavaScript",
      "link":"array-reduce-transformation/",
      "video":"KmTbYfpGxdM",
      "difficulty":"Easy",
      "code":"2626-array-reduce-transformation"
   },
   {
      "problem":"Function Composition",
      "pattern":"JavaScript",
      "link":"function-composition/",
      "video":"mIFw1H7Ljco",
      "difficulty":"Easy",
      "code":"2629-function-composition"
   },
   {
      "problem":"Allow One Function Call",
      "pattern":"JavaScript",
      "link":"allow-one-function-call/",
      "video":"m_SWhM9iX3s",
      "difficulty":"Easy",
      "code":"2666-allow-one-function-call"
   },
   {
      "problem":"Memoize",
      "pattern":"JavaScript",
      "link":"memoize/",
      "video":"oFXyzJt9VeU",
      "difficulty":"Medium",
      "code":"2623-memoize"
   },
   {
      "problem":"Curry",
      "pattern":"JavaScript",
      "link":"curry/",
      "video":"pi4kqMWQXxA",
      "difficulty":"Medium",
      "code":"2632-curry"
   },
   {
      "problem":"Sleep",
      "pattern":"JavaScript",
      "link":"sleep/",
      "video":"P0D9Z6H7O00",
      "difficulty":"Easy",
      "code":"2621-sleep"
   },
   {
      "problem":"Promise Time Limit",
      "pattern":"JavaScript",
      "link":"promise-time-limit/",
      "video":"hfH57rdZhOk",
      "difficulty":"Easy",
      "code":"2637-promise-time-limit"
   },
   {
      "problem":"Promise Pool",
      "pattern":"JavaScript",
      "link":"promise-pool/",
      "video":"DB8pAAg-9xw",
      "difficulty":"Medium",
      "code":"2636-promise-pool"
   },
   {
      "problem":"Cache With Time Limit",
      "pattern":"JavaScript",
      "link":"cache-with-time-limit/",
      "video":"w772gtNK0Gw",
      "difficulty":"Medium",
      "code":"2622-cache-with-time-limit"
   },
   {
      "problem":"Debounce",
      "pattern":"JavaScript",
      "link":"debounce/",
      "video":"1sxSpnxNx5w",
      "difficulty":"Medium",
      "code":"2627-debounce"
   },
   {
      "problem":"Throttle",
      "pattern":"JavaScript",
      "link":"throttle/",
      "video":"zyGZV_fIQWk",
      "difficulty":"Medium",
      "code":"2676-throttle"
   },
   {
      "problem":"JSON Deep Equal",
      "pattern":"JavaScript",
      "link":"json-deep-equal/",
      "video":"4JVZ-mVqJPg",
      "difficulty":"Medium",
      "code":"2628-json-deep-equal",
      "javascript":true
   },
   {
      "problem":"Convert Object to JSON String",
      "pattern":"JavaScript",
      "link":"convert-object-to-json-string/",
      "video":"f94fUbHU-FY",
      "difficulty":"Medium",
      "code":"2633-convert-object-to-json-string"
   },
   {
      "problem":"Array of Objects to Matrix",
      "pattern":"JavaScript",
      "link":"array-of-objects-to-matrix/",
      "video":"LJwgAMHGcI0",
      "difficulty":"Medium",
      "code":"2675-array-of-objects-to-matrix"
   },
   {
      "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"
   }
]