Leetcode 4 Solution
This article provides solution to leetcode question 4 (median-of-two-sorted-arrays)
Tag: lc-difficulty-hard
Leetcode 10 Solution
This article provides solution to leetcode question 10 (regular-expression-matching)
Leetcode 23 Solution
This article provides solution to leetcode question 23 (merge-k-sorted-lists)
Leetcode 25 Solution
This article provides solution to leetcode question 25 (reverse-nodes-in-k-group)
Leetcode 30 Solution
This article provides solution to leetcode question 30 (substring-with-concatenation-of-all-words)
Leetcode 32 Solution
This article provides solution to leetcode question 32 (longest-valid-parentheses)
Leetcode 37 Solution
This article provides solution to leetcode question 37 (sudoku-solver)
Leetcode 41 Solution
This article provides solution to leetcode question 41 (first-missing-positive)
Leetcode 42 Solution
This article provides solution to leetcode question 42 (trapping-rain-water)
Leetcode 44 Solution
This article provides solution to leetcode question 44 (wildcard-matching)
Leetcode 51 Solution
This article provides solution to leetcode question 51 (n-queens)
Leetcode 52 Solution
This article provides solution to leetcode question 52 (n-queens-ii)
Leetcode 60 Solution
This article provides solution to leetcode question 60 (permutation-sequence)
Leetcode 65 Solution
This article provides solution to leetcode question 65 (valid-number)
Leetcode 68 Solution
This article provides solution to leetcode question 68 (text-justification)
Leetcode 72 Solution
This article provides solution to leetcode question 72 (edit-distance)
Leetcode 76 Solution
This article provides solution to leetcode question 76 (minimum-window-substring)
Leetcode 84 Solution
This article provides solution to leetcode question 84 (largest-rectangle-in-histogram)
Leetcode 85 Solution
This article provides solution to leetcode question 85 (maximal-rectangle)
Leetcode 87 Solution
This article provides solution to leetcode question 87 (scramble-string)
Leetcode 115 Solution
This article provides solution to leetcode question 115 (distinct-subsequences)
Leetcode 123 Solution
This article provides solution to leetcode question 123 (best-time-to-buy-and-sell-stock-iii)
Leetcode 124 Solution
This article provides solution to leetcode question 124 (binary-tree-maximum-path-sum)
Leetcode 126 Solution
This article provides solution to leetcode question 126 (word-ladder-ii)
Leetcode 127 Solution
This article provides solution to leetcode question 127 (word-ladder)
Leetcode 132 Solution
This article provides solution to leetcode question 132 (palindrome-partitioning-ii)
Leetcode 135 Solution
This article provides solution to leetcode question 135 (candy)
Leetcode 140 Solution
This article provides solution to leetcode question 140 (word-break-ii)
Leetcode 149 Solution
This article provides solution to leetcode question 149 (max-points-on-a-line)
Leetcode 154 Solution
This article provides solution to leetcode question 154 (find-minimum-in-rotated-sorted-array-ii)
Leetcode 158 Solution
This article provides solution to leetcode question 158 (read-n-characters-given-read4-ii-call-multiple-times)
Leetcode 164 Solution
This article provides solution to leetcode question 164 (maximum-gap)
Leetcode 174 Solution
This article provides solution to leetcode question 174 (dungeon-game)
Leetcode 188 Solution
This article provides solution to leetcode question 188 (best-time-to-buy-and-sell-stock-iv)
Leetcode 212 Solution
This article provides solution to leetcode question 212 (word-search-ii)
Leetcode 214 Solution
This article provides solution to leetcode question 214 (shortest-palindrome)
Leetcode 218 Solution
This article provides solution to leetcode question 218 (the-skyline-problem)
Leetcode 220 Solution
This article provides solution to leetcode question 220 (contains-duplicate-iii)
Leetcode 224 Solution
This article provides solution to leetcode question 224 (basic-calculator)
Leetcode 233 Solution
This article provides solution to leetcode question 233 (number-of-digit-one)
Leetcode 239 Solution
This article provides solution to leetcode question 239 (sliding-window-maximum)
Leetcode 248 Solution
This article provides solution to leetcode question 248 (strobogrammatic-number-iii)
Leetcode 265 Solution
This article provides solution to leetcode question 265 (paint-house-ii)
Leetcode 269 Solution
This article provides solution to leetcode question 269 (alien-dictionary)
Leetcode 272 Solution
This article provides solution to leetcode question 272 (closest-binary-search-tree-value-ii)
Leetcode 273 Solution
This article provides solution to leetcode question 273 (integer-to-english-words)
Leetcode 282 Solution
This article provides solution to leetcode question 282 (expression-add-operators)
Leetcode 295 Solution
This article provides solution to leetcode question 295 (find-median-from-data-stream)
Leetcode 296 Solution
This article provides solution to leetcode question 296 (best-meeting-point)
Leetcode 297 Solution
This article provides solution to leetcode question 297 (serialize-and-deserialize-binary-tree)
Leetcode 301 Solution
This article provides solution to leetcode question 301 (remove-invalid-parentheses)
Leetcode 302 Solution
This article provides solution to leetcode question 302 (smallest-rectangle-enclosing-black-pixels)
Leetcode 305 Solution
This article provides solution to leetcode question 305 (number-of-islands-ii)
Leetcode 308 Solution
This article provides solution to leetcode question 308 (range-sum-query-2d-mutable)
Leetcode 312 Solution
This article provides solution to leetcode question 312 (burst-balloons)
Leetcode 315 Solution
This article provides solution to leetcode question 315 (count-of-smaller-numbers-after-self)
Leetcode 317 Solution
This article provides solution to leetcode question 317 (shortest-distance-from-all-buildings)
Leetcode 321 Solution
This article provides solution to leetcode question 321 (create-maximum-number)
Leetcode 327 Solution
This article provides solution to leetcode question 327 (count-of-range-sum)
Leetcode 329 Solution
This article provides solution to leetcode question 329 (longest-increasing-path-in-a-matrix)
Leetcode 330 Solution
This article provides solution to leetcode question 330 (patching-array)
Leetcode 332 Solution
This article provides solution to leetcode question 332 (reconstruct-itinerary)
Leetcode 335 Solution
This article provides solution to leetcode question 335 (self-crossing)
Leetcode 336 Solution
This article provides solution to leetcode question 336 (palindrome-pairs)
Leetcode 352 Solution
This article provides solution to leetcode question 352 (data-stream-as-disjoint-intervals)
Leetcode 354 Solution
This article provides solution to leetcode question 354 (russian-doll-envelopes)
Leetcode 358 Solution
This article provides solution to leetcode question 358 (rearrange-string-k-distance-apart)
Leetcode 363 Solution
This article provides solution to leetcode question 363 (max-sum-of-rectangle-no-larger-than-k)
Leetcode 381 Solution
This article provides solution to leetcode question 381 (insert-delete-getrandom-o1-duplicates-allowed)
Leetcode 391 Solution
This article provides solution to leetcode question 391 (perfect-rectangle)
Leetcode 403 Solution
This article provides solution to leetcode question 403 (frog-jump)
Leetcode 407 Solution
This article provides solution to leetcode question 407 (trapping-rain-water-ii)
Leetcode 410 Solution
This article provides solution to leetcode question 410 (split-array-largest-sum)
Leetcode 411 Solution
This article provides solution to leetcode question 411 (minimum-unique-word-abbreviation)
Leetcode 425 Solution
This article provides solution to leetcode question 425 (word-squares)
Leetcode 432 Solution
This article provides solution to leetcode question 432 (all-oone-data-structure)
Leetcode 440 Solution
This article provides solution to leetcode question 440 (k-th-smallest-in-lexicographical-order)
Leetcode 446 Solution
This article provides solution to leetcode question 446 (arithmetic-slices-ii-subsequence)
Leetcode 460 Solution
This article provides solution to leetcode question 460 (lfu-cache)
Leetcode 465 Solution
This article provides solution to leetcode question 465 (optimal-account-balancing)
Leetcode 466 Solution
This article provides solution to leetcode question 466 (count-the-repetitions)
Leetcode 471 Solution
This article provides solution to leetcode question 471 (encode-string-with-shortest-length)
Leetcode 472 Solution
This article provides solution to leetcode question 472 (concatenated-words)
Leetcode 480 Solution
This article provides solution to leetcode question 480 (sliding-window-median)
Leetcode 483 Solution
This article provides solution to leetcode question 483 (smallest-good-base)
Leetcode 488 Solution
This article provides solution to leetcode question 488 (zuma-game)
Leetcode 493 Solution
This article provides solution to leetcode question 493 (reverse-pairs)
Leetcode 499 Solution
This article provides solution to leetcode question 499 (the-maze-iii)
Leetcode 502 Solution
This article provides solution to leetcode question 502 (ipo)
Leetcode 517 Solution
This article provides solution to leetcode question 517 (super-washing-machines)
Leetcode 527 Solution
This article provides solution to leetcode question 527 (word-abbreviation)
Leetcode 546 Solution
This article provides solution to leetcode question 546 (remove-boxes)
Leetcode 552 Solution
This article provides solution to leetcode question 552 (student-attendance-record-ii)
Leetcode 629 Solution
This article provides solution to leetcode question 629 (k-inverse-pairs-array)
Leetcode 632 Solution
This article provides solution to leetcode question 632 (smallest-range-covering-elements-from-k-lists)
Leetcode 642 Solution
This article provides solution to leetcode question 642 (design-search-autocomplete-system)
Leetcode 664 Solution
This article provides solution to leetcode question 664 (strange-printer)
Leetcode 668 Solution
This article provides solution to leetcode question 668 (kth-smallest-number-in-multiplication-table)
Leetcode 679 Solution
This article provides solution to leetcode question 679 (24-game)
Leetcode 691 Solution
This article provides solution to leetcode question 691 (stickers-to-spell-word)
Leetcode 716 Solution
This article provides solution to leetcode question 716 (max-stack)
Leetcode 719 Solution
This article provides solution to leetcode question 719 (find-k-th-smallest-pair-distance)
Leetcode 736 Solution
This article provides solution to leetcode question 736 (parse-lisp-expression)
Leetcode 746 Solution
This article provides solution to leetcode question 746 (prefix-and-suffix-search)
Leetcode 759 Solution
This article provides solution to leetcode question 759 (set-intersection-size-at-least-two)
Leetcode 761 Solution
This article provides solution to leetcode question 761 (employee-free-time)
Leetcode 765 Solution
This article provides solution to leetcode question 765 (serialize-and-deserialize-n-ary-tree)
Leetcode 779 Solution
This article provides solution to leetcode question 779 (max-chunks-to-make-sorted-ii)
Leetcode 785 Solution
This article provides solution to leetcode question 785 (basic-calculator-iii)
Leetcode 787 Solution
This article provides solution to leetcode question 787 (sliding-puzzle)
Leetcode 794 Solution
This article provides solution to leetcode question 794 (swim-in-rising-water)
Leetcode 796 Solution
This article provides solution to leetcode question 796 (reaching-points)
Leetcode 819 Solution
This article provides solution to leetcode question 819 (minimum-swaps-to-make-sequences-increasing)
Leetcode 823 Solution
This article provides solution to leetcode question 823 (split-array-with-same-average)
Leetcode 833 Solution
This article provides solution to leetcode question 833 (bus-routes)
Leetcode 836 Solution
This article provides solution to leetcode question 836 (race-car)
Leetcode 863 Solution
This article provides solution to leetcode question 863 (sum-of-distances-in-tree)
Leetcode 865 Solution
This article provides solution to leetcode question 865 (robot-room-cleaner)
Leetcode 887 Solution
This article provides solution to leetcode question 887 (minimum-cost-to-hire-k-workers)
Leetcode 892 Solution
This article provides solution to leetcode question 892 (shortest-subarray-with-sum-at-least-k)
Leetcode 902 Solution
This article provides solution to leetcode question 902 (minimum-number-of-refueling-stops)
Leetcode 927 Solution
This article provides solution to leetcode question 927 (sum-of-subsequence-widths)
Leetcode 931 Solution
This article provides solution to leetcode question 931 (maximum-frequency-stack)
Leetcode 960 Solution
This article provides solution to leetcode question 960 (minimize-malware-spread)
Leetcode 964 Solution
This article provides solution to leetcode question 964 (minimize-malware-spread-ii)
Leetcode 1004 Solution
This article provides solution to leetcode question 1004 (least-operators-to-express-number)
Leetcode 1029 Solution
This article provides solution to leetcode question 1029 (vertical-order-traversal-of-a-binary-tree)
Leetcode 1034 Solution
This article provides solution to leetcode question 1034 (subarrays-with-k-different-integers)
Leetcode 1057 Solution
This article provides solution to leetcode question 1057 (numbers-with-repeated-digits)
Leetcode 1093 Solution
This article provides solution to leetcode question 1093 (recover-a-tree-from-preorder-traversal)
Leetcode 1122 Solution
This article provides solution to leetcode question 1122 (longest-duplicate-substring)
Leetcode 1170 Solution
This article provides solution to leetcode question 1170 (shortest-common-supersequence)
Leetcode 1185 Solution
This article provides solution to leetcode question 1185 (find-in-mountain-array)
Leetcode 1188 Solution
This article provides solution to leetcode question 1188 (brace-expansion-ii)
Leetcode 1197 Solution
This article provides solution to leetcode question 1197 (parsing-a-boolean-expression)
Leetcode 1257 Solution
This article provides solution to leetcode question 1257 (rank-transform-of-a-matrix)
Leetcode 1300 Solution
This article provides solution to leetcode question 1300 (critical-connections-in-a-network)
Leetcode 1337 Solution
This article provides solution to leetcode question 1337 (design-skiplist)
Leetcode 1409 Solution
This article provides solution to leetcode question 1409 (minimum-number-of-flips-to-convert-binary-matrix-to-zero-matrix)
Leetcode 1414 Solution
This article provides solution to leetcode question 1414 (shortest-path-in-a-grid-with-obstacles-elimination)
Leetcode 1451 Solution
This article provides solution to leetcode question 1451 (minimum-number-of-taps-to-open-to-water-a-garden)
Leetcode 1457 Solution
This article provides solution to leetcode question 1457 (minimum-difficulty-of-a-job-schedule)
Leetcode 1466 Solution
This article provides solution to leetcode question 1466 (jump-game-v)
Leetcode 1485 Solution
This article provides solution to leetcode question 1485 (minimum-cost-to-make-at-least-one-valid-path-in-a-grid)
Leetcode 1638 Solution
This article provides solution to leetcode question 1638 (best-position-for-a-service-centre)
Leetcode 1701 Solution
This article provides solution to leetcode question 1701 (remove-max-number-of-edges-to-keep-graph-fully-traversable)
Leetcode 1766 Solution
This article provides solution to leetcode question 1766 (minimum-number-of-removals-to-make-mountain-array)
Leetcode 1851 Solution
This article provides solution to leetcode question 1851 (maximum-number-of-events-that-can-be-attended-ii)
Leetcode 1997 Solution
This article provides solution to leetcode question 1997 (next-palindrome-using-same-digits)
Leetcode 2297 Solution
This article provides solution to leetcode question 2297 (amount-of-new-area-painted-each-day)