{"tag":"array","total":2144,"limit":50,"skip":0,"problems":[{"id":"1","frontend_id":"1","title":"Two Sum","title_slug":"two-sum","url":"https://leetcode.com/problems/two-sum/","difficulty":"Easy","paid_only":false,"has_solution":true},{"id":"4","frontend_id":"4","title":"Median of Two Sorted Arrays","title_slug":"median-of-two-sorted-arrays","url":"https://leetcode.com/problems/median-of-two-sorted-arrays/","difficulty":"Hard","paid_only":false,"has_solution":true},{"id":"11","frontend_id":"11","title":"Container With Most Water","title_slug":"container-with-most-water","url":"https://leetcode.com/problems/container-with-most-water/","difficulty":"Medium","paid_only":false,"has_solution":true},{"id":"14","frontend_id":"14","title":"Longest Common Prefix","title_slug":"longest-common-prefix","url":"https://leetcode.com/problems/longest-common-prefix/","difficulty":"Easy","paid_only":false,"has_solution":true},{"id":"15","frontend_id":"15","title":"3Sum","title_slug":"3sum","url":"https://leetcode.com/problems/3sum/","difficulty":"Medium","paid_only":false,"has_solution":true},{"id":"16","frontend_id":"16","title":"3Sum Closest","title_slug":"3sum-closest","url":"https://leetcode.com/problems/3sum-closest/","difficulty":"Medium","paid_only":false,"has_solution":true},{"id":"18","frontend_id":"18","title":"4Sum","title_slug":"4sum","url":"https://leetcode.com/problems/4sum/","difficulty":"Medium","paid_only":false,"has_solution":true},{"id":"26","frontend_id":"26","title":"Remove Duplicates from Sorted Array","title_slug":"remove-duplicates-from-sorted-array","url":"https://leetcode.com/problems/remove-duplicates-from-sorted-array/","difficulty":"Easy","paid_only":false,"has_solution":true},{"id":"27","frontend_id":"27","title":"Remove Element","title_slug":"remove-element","url":"https://leetcode.com/problems/remove-element/","difficulty":"Easy","paid_only":false,"has_solution":true},{"id":"31","frontend_id":"31","title":"Next Permutation","title_slug":"next-permutation","url":"https://leetcode.com/problems/next-permutation/","difficulty":"Medium","paid_only":false,"has_solution":true},{"id":"33","frontend_id":"33","title":"Search in Rotated Sorted Array","title_slug":"search-in-rotated-sorted-array","url":"https://leetcode.com/problems/search-in-rotated-sorted-array/","difficulty":"Medium","paid_only":false,"has_solution":true},{"id":"34","frontend_id":"34","title":"Find First and Last Position of Element in Sorted Array","title_slug":"find-first-and-last-position-of-element-in-sorted-array","url":"https://leetcode.com/problems/find-first-and-last-position-of-element-in-sorted-array/","difficulty":"Medium","paid_only":false,"has_solution":true},{"id":"35","frontend_id":"35","title":"Search Insert Position","title_slug":"search-insert-position","url":"https://leetcode.com/problems/search-insert-position/","difficulty":"Easy","paid_only":false,"has_solution":true},{"id":"36","frontend_id":"36","title":"Valid Sudoku","title_slug":"valid-sudoku","url":"https://leetcode.com/problems/valid-sudoku/","difficulty":"Medium","paid_only":false,"has_solution":true},{"id":"37","frontend_id":"37","title":"Sudoku Solver","title_slug":"sudoku-solver","url":"https://leetcode.com/problems/sudoku-solver/","difficulty":"Hard","paid_only":false,"has_solution":true},{"id":"39","frontend_id":"39","title":"Combination Sum","title_slug":"combination-sum","url":"https://leetcode.com/problems/combination-sum/","difficulty":"Medium","paid_only":false,"has_solution":true},{"id":"40","frontend_id":"40","title":"Combination Sum II","title_slug":"combination-sum-ii","url":"https://leetcode.com/problems/combination-sum-ii/","difficulty":"Medium","paid_only":false,"has_solution":true},{"id":"41","frontend_id":"41","title":"First Missing Positive","title_slug":"first-missing-positive","url":"https://leetcode.com/problems/first-missing-positive/","difficulty":"Hard","paid_only":false,"has_solution":true},{"id":"42","frontend_id":"42","title":"Trapping Rain Water","title_slug":"trapping-rain-water","url":"https://leetcode.com/problems/trapping-rain-water/","difficulty":"Hard","paid_only":false,"has_solution":true},{"id":"45","frontend_id":"45","title":"Jump Game II","title_slug":"jump-game-ii","url":"https://leetcode.com/problems/jump-game-ii/","difficulty":"Medium","paid_only":false,"has_solution":true},{"id":"46","frontend_id":"46","title":"Permutations","title_slug":"permutations","url":"https://leetcode.com/problems/permutations/","difficulty":"Medium","paid_only":false,"has_solution":true},{"id":"47","frontend_id":"47","title":"Permutations II","title_slug":"permutations-ii","url":"https://leetcode.com/problems/permutations-ii/","difficulty":"Medium","paid_only":false,"has_solution":true},{"id":"48","frontend_id":"48","title":"Rotate Image","title_slug":"rotate-image","url":"https://leetcode.com/problems/rotate-image/","difficulty":"Medium","paid_only":false,"has_solution":true},{"id":"49","frontend_id":"49","title":"Group Anagrams","title_slug":"group-anagrams","url":"https://leetcode.com/problems/group-anagrams/","difficulty":"Medium","paid_only":false,"has_solution":true},{"id":"51","frontend_id":"51","title":"N-Queens","title_slug":"n-queens","url":"https://leetcode.com/problems/n-queens/","difficulty":"Hard","paid_only":false,"has_solution":true},{"id":"53","frontend_id":"53","title":"Maximum Subarray","title_slug":"maximum-subarray","url":"https://leetcode.com/problems/maximum-subarray/","difficulty":"Medium","paid_only":false,"has_solution":true},{"id":"54","frontend_id":"54","title":"Spiral Matrix","title_slug":"spiral-matrix","url":"https://leetcode.com/problems/spiral-matrix/","difficulty":"Medium","paid_only":false,"has_solution":true},{"id":"55","frontend_id":"55","title":"Jump Game","title_slug":"jump-game","url":"https://leetcode.com/problems/jump-game/","difficulty":"Medium","paid_only":false,"has_solution":true},{"id":"56","frontend_id":"56","title":"Merge Intervals","title_slug":"merge-intervals","url":"https://leetcode.com/problems/merge-intervals/","difficulty":"Medium","paid_only":false,"has_solution":true},{"id":"57","frontend_id":"57","title":"Insert Interval","title_slug":"insert-interval","url":"https://leetcode.com/problems/insert-interval/","difficulty":"Medium","paid_only":false,"has_solution":true},{"id":"59","frontend_id":"59","title":"Spiral Matrix II","title_slug":"spiral-matrix-ii","url":"https://leetcode.com/problems/spiral-matrix-ii/","difficulty":"Medium","paid_only":false,"has_solution":true},{"id":"63","frontend_id":"63","title":"Unique Paths II","title_slug":"unique-paths-ii","url":"https://leetcode.com/problems/unique-paths-ii/","difficulty":"Medium","paid_only":false,"has_solution":true},{"id":"64","frontend_id":"64","title":"Minimum Path Sum","title_slug":"minimum-path-sum","url":"https://leetcode.com/problems/minimum-path-sum/","difficulty":"Medium","paid_only":false,"has_solution":true},{"id":"66","frontend_id":"66","title":"Plus One","title_slug":"plus-one","url":"https://leetcode.com/problems/plus-one/","difficulty":"Easy","paid_only":false,"has_solution":true},{"id":"68","frontend_id":"68","title":"Text Justification","title_slug":"text-justification","url":"https://leetcode.com/problems/text-justification/","difficulty":"Hard","paid_only":false,"has_solution":true},{"id":"73","frontend_id":"73","title":"Set Matrix Zeroes","title_slug":"set-matrix-zeroes","url":"https://leetcode.com/problems/set-matrix-zeroes/","difficulty":"Medium","paid_only":false,"has_solution":true},{"id":"74","frontend_id":"74","title":"Search a 2D Matrix","title_slug":"search-a-2d-matrix","url":"https://leetcode.com/problems/search-a-2d-matrix/","difficulty":"Medium","paid_only":false,"has_solution":true},{"id":"75","frontend_id":"75","title":"Sort Colors","title_slug":"sort-colors","url":"https://leetcode.com/problems/sort-colors/","difficulty":"Medium","paid_only":false,"has_solution":true},{"id":"78","frontend_id":"78","title":"Subsets","title_slug":"subsets","url":"https://leetcode.com/problems/subsets/","difficulty":"Medium","paid_only":false,"has_solution":true},{"id":"79","frontend_id":"79","title":"Word Search","title_slug":"word-search","url":"https://leetcode.com/problems/word-search/","difficulty":"Medium","paid_only":false,"has_solution":true},{"id":"80","frontend_id":"80","title":"Remove Duplicates from Sorted Array II","title_slug":"remove-duplicates-from-sorted-array-ii","url":"https://leetcode.com/problems/remove-duplicates-from-sorted-array-ii/","difficulty":"Medium","paid_only":false,"has_solution":true},{"id":"81","frontend_id":"81","title":"Search in Rotated Sorted Array II","title_slug":"search-in-rotated-sorted-array-ii","url":"https://leetcode.com/problems/search-in-rotated-sorted-array-ii/","difficulty":"Medium","paid_only":false,"has_solution":true},{"id":"84","frontend_id":"84","title":"Largest Rectangle in Histogram","title_slug":"largest-rectangle-in-histogram","url":"https://leetcode.com/problems/largest-rectangle-in-histogram/","difficulty":"Hard","paid_only":false,"has_solution":true},{"id":"85","frontend_id":"85","title":"Maximal Rectangle","title_slug":"maximal-rectangle","url":"https://leetcode.com/problems/maximal-rectangle/","difficulty":"Hard","paid_only":false,"has_solution":true},{"id":"88","frontend_id":"88","title":"Merge Sorted Array","title_slug":"merge-sorted-array","url":"https://leetcode.com/problems/merge-sorted-array/","difficulty":"Easy","paid_only":false,"has_solution":true},{"id":"90","frontend_id":"90","title":"Subsets II","title_slug":"subsets-ii","url":"https://leetcode.com/problems/subsets-ii/","difficulty":"Medium","paid_only":false,"has_solution":true},{"id":"105","frontend_id":"105","title":"Construct Binary Tree from Preorder and Inorder Traversal","title_slug":"construct-binary-tree-from-preorder-and-inorder-traversal","url":"https://leetcode.com/problems/construct-binary-tree-from-preorder-and-inorder-traversal/","difficulty":"Medium","paid_only":false,"has_solution":true},{"id":"106","frontend_id":"106","title":"Construct Binary Tree from Inorder and Postorder Traversal","title_slug":"construct-binary-tree-from-inorder-and-postorder-traversal","url":"https://leetcode.com/problems/construct-binary-tree-from-inorder-and-postorder-traversal/","difficulty":"Medium","paid_only":false,"has_solution":true},{"id":"108","frontend_id":"108","title":"Convert Sorted Array to Binary Search Tree","title_slug":"convert-sorted-array-to-binary-search-tree","url":"https://leetcode.com/problems/convert-sorted-array-to-binary-search-tree/","difficulty":"Easy","paid_only":false,"has_solution":true},{"id":"118","frontend_id":"118","title":"Pascal's Triangle","title_slug":"pascals-triangle","url":"https://leetcode.com/problems/pascals-triangle/","difficulty":"Easy","paid_only":false,"has_solution":true}]}