Leetcode 3 Solution
This article provides solution to leetcode question 3 (longest-substring-without-repeating-characters)
Tag: lc-alg-string
Leetcode 5 Solution
This article provides solution to leetcode question 5 (longest-palindromic-substring)
Leetcode 6 Solution
This article provides solution to leetcode question 6 (zigzag-conversion)
Leetcode 8 Solution
This article provides solution to leetcode question 8 (string-to-integer-atoi)
Leetcode 10 Solution
This article provides solution to leetcode question 10 (regular-expression-matching)
Leetcode 12 Solution
This article provides solution to leetcode question 12 (integer-to-roman)
Leetcode 13 Solution
This article provides solution to leetcode question 13 (roman-to-integer)
Leetcode 14 Solution
This article provides solution to leetcode question 14 (longest-common-prefix)
Leetcode 17 Solution
This article provides solution to leetcode question 17 (letter-combinations-of-a-phone-number)
Leetcode 20 Solution
This article provides solution to leetcode question 20 (valid-parentheses)
Leetcode 22 Solution
This article provides solution to leetcode question 22 (generate-parentheses)
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 38 Solution
This article provides solution to leetcode question 38 (count-and-say)
Leetcode 43 Solution
This article provides solution to leetcode question 43 (multiply-strings)
Leetcode 44 Solution
This article provides solution to leetcode question 44 (wildcard-matching)
Leetcode 49 Solution
This article provides solution to leetcode question 49 (group-anagrams)
Leetcode 58 Solution
This article provides solution to leetcode question 58 (length-of-last-word)
Leetcode 65 Solution
This article provides solution to leetcode question 65 (valid-number)
Leetcode 67 Solution
This article provides solution to leetcode question 67 (add-binary)
Leetcode 68 Solution
This article provides solution to leetcode question 68 (text-justification)
Leetcode 71 Solution
This article provides solution to leetcode question 71 (simplify-path)
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 87 Solution
This article provides solution to leetcode question 87 (scramble-string)
Leetcode 91 Solution
This article provides solution to leetcode question 91 (decode-ways)
Leetcode 93 Solution
This article provides solution to leetcode question 93 (restore-ip-addresses)
Leetcode 97 Solution
This article provides solution to leetcode question 97 (interleaving-string)
Leetcode 115 Solution
This article provides solution to leetcode question 115 (distinct-subsequences)
Leetcode 125 Solution
This article provides solution to leetcode question 125 (valid-palindrome)
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 131 Solution
This article provides solution to leetcode question 131 (palindrome-partitioning)
Leetcode 132 Solution
This article provides solution to leetcode question 132 (palindrome-partitioning-ii)
Leetcode 139 Solution
This article provides solution to leetcode question 139 (word-break)
Leetcode 140 Solution
This article provides solution to leetcode question 140 (word-break-ii)
Leetcode 151 Solution
This article provides solution to leetcode question 151 (reverse-words-in-a-string)
Leetcode 165 Solution
This article provides solution to leetcode question 165 (compare-version-numbers)
Leetcode 166 Solution
This article provides solution to leetcode question 166 (fraction-to-recurring-decimal)
Leetcode 168 Solution
This article provides solution to leetcode question 168 (excel-sheet-column-title)
Leetcode 171 Solution
This article provides solution to leetcode question 171 (excel-sheet-column-number)
Leetcode 179 Solution
This article provides solution to leetcode question 179 (largest-number)
Leetcode 187 Solution
This article provides solution to leetcode question 187 (repeated-dna-sequences)
Leetcode 205 Solution
This article provides solution to leetcode question 205 (isomorphic-strings)
Leetcode 208 Solution
This article provides solution to leetcode question 208 (implement-trie-prefix-tree)
Leetcode 211 Solution
This article provides solution to leetcode question 211 (design-add-and-search-words-data-structure)
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 224 Solution
This article provides solution to leetcode question 224 (basic-calculator)
Leetcode 227 Solution
This article provides solution to leetcode question 227 (basic-calculator-ii)
Leetcode 241 Solution
This article provides solution to leetcode question 241 (different-ways-to-add-parentheses)
Leetcode 242 Solution
This article provides solution to leetcode question 242 (valid-anagram)
Leetcode 257 Solution
This article provides solution to leetcode question 257 (binary-tree-paths)
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 290 Solution
This article provides solution to leetcode question 290 (word-pattern)
Leetcode 297 Solution
This article provides solution to leetcode question 297 (serialize-and-deserialize-binary-tree)
Leetcode 299 Solution
This article provides solution to leetcode question 299 (bulls-and-cows)
Leetcode 301 Solution
This article provides solution to leetcode question 301 (remove-invalid-parentheses)
Leetcode 306 Solution
This article provides solution to leetcode question 306 (additive-number)
Leetcode 316 Solution
This article provides solution to leetcode question 316 (remove-duplicate-letters)
Leetcode 318 Solution
This article provides solution to leetcode question 318 (maximum-product-of-word-lengths)
Leetcode 331 Solution
This article provides solution to leetcode question 331 (verify-preorder-serialization-of-a-binary-tree)
Leetcode 336 Solution
This article provides solution to leetcode question 336 (palindrome-pairs)
Leetcode 344 Solution
This article provides solution to leetcode question 344 (reverse-string)
Leetcode 345 Solution
This article provides solution to leetcode question 345 (reverse-vowels-of-a-string)
Leetcode 383 Solution
This article provides solution to leetcode question 383 (ransom-note)
Leetcode 385 Solution
This article provides solution to leetcode question 385 (mini-parser)
Leetcode 387 Solution
This article provides solution to leetcode question 387 (first-unique-character-in-a-string)
Leetcode 388 Solution
This article provides solution to leetcode question 388 (longest-absolute-file-path)
Leetcode 389 Solution
This article provides solution to leetcode question 389 (find-the-difference)
Leetcode 392 Solution
This article provides solution to leetcode question 392 (is-subsequence)
Leetcode 394 Solution
This article provides solution to leetcode question 394 (decode-string)
Leetcode 395 Solution
This article provides solution to leetcode question 395 (longest-substring-with-at-least-k-repeating-characters)
Leetcode 402 Solution
This article provides solution to leetcode question 402 (remove-k-digits)
Leetcode 409 Solution
This article provides solution to leetcode question 409 (longest-palindrome)
Leetcode 412 Solution
This article provides solution to leetcode question 412 (fizz-buzz)
Leetcode 415 Solution
This article provides solution to leetcode question 415 (add-strings)
Leetcode 423 Solution
This article provides solution to leetcode question 423 (reconstruct-original-digits-from-english)
Leetcode 424 Solution
This article provides solution to leetcode question 424 (longest-repeating-character-replacement)
Leetcode 433 Solution
This article provides solution to leetcode question 433 (minimum-genetic-mutation)
Leetcode 434 Solution
This article provides solution to leetcode question 434 (number-of-segments-in-a-string)
Leetcode 438 Solution
This article provides solution to leetcode question 438 (find-all-anagrams-in-a-string)
Leetcode 443 Solution
This article provides solution to leetcode question 443 (string-compression)
Leetcode 449 Solution
This article provides solution to leetcode question 449 (serialize-and-deserialize-bst)
Leetcode 451 Solution
This article provides solution to leetcode question 451 (sort-characters-by-frequency)
Leetcode 459 Solution
This article provides solution to leetcode question 459 (repeated-substring-pattern)
Leetcode 466 Solution
This article provides solution to leetcode question 466 (count-the-repetitions)
Leetcode 467 Solution
This article provides solution to leetcode question 467 (unique-substrings-in-wraparound-string)
Leetcode 468 Solution
This article provides solution to leetcode question 468 (validate-ip-address)
Leetcode 472 Solution
This article provides solution to leetcode question 472 (concatenated-words)
Leetcode 474 Solution
This article provides solution to leetcode question 474 (ones-and-zeroes)
Leetcode 481 Solution
This article provides solution to leetcode question 481 (magical-string)
Leetcode 482 Solution
This article provides solution to leetcode question 482 (license-key-formatting)
Leetcode 488 Solution
This article provides solution to leetcode question 488 (zuma-game)
Leetcode 500 Solution
This article provides solution to leetcode question 500 (keyboard-row)
Leetcode 516 Solution
This article provides solution to leetcode question 516 (longest-palindromic-subsequence)
Leetcode 520 Solution
This article provides solution to leetcode question 520 (detect-capital)
Leetcode 521 Solution
This article provides solution to leetcode question 521 (longest-uncommon-subsequence-i)
Leetcode 522 Solution
This article provides solution to leetcode question 522 (longest-uncommon-subsequence-ii)
Leetcode 524 Solution
This article provides solution to leetcode question 524 (longest-word-in-dictionary-through-deleting)
Leetcode 535 Solution
This article provides solution to leetcode question 535 (encode-and-decode-tinyurl)
Leetcode 537 Solution
This article provides solution to leetcode question 537 (complex-number-multiplication)
Leetcode 539 Solution
This article provides solution to leetcode question 539 (minimum-time-difference)
Leetcode 541 Solution
This article provides solution to leetcode question 541 (reverse-string-ii)
Leetcode 551 Solution
This article provides solution to leetcode question 551 (student-attendance-record-i)
Leetcode 556 Solution
This article provides solution to leetcode question 556 (next-greater-element-iii)
Leetcode 557 Solution
This article provides solution to leetcode question 557 (reverse-words-in-a-string-iii)
Leetcode 567 Solution
This article provides solution to leetcode question 567 (permutation-in-string)
Leetcode 583 Solution
This article provides solution to leetcode question 583 (delete-operation-for-two-strings)
Leetcode 599 Solution
This article provides solution to leetcode question 599 (minimum-index-sum-of-two-lists)
Leetcode 606 Solution
This article provides solution to leetcode question 606 (construct-string-from-binary-tree)
Leetcode 609 Solution
This article provides solution to leetcode question 609 (find-duplicate-file-in-system)
Leetcode 640 Solution
This article provides solution to leetcode question 640 (solve-the-equation)
Leetcode 647 Solution
This article provides solution to leetcode question 647 (palindromic-substrings)
Leetcode 648 Solution
This article provides solution to leetcode question 648 (replace-words)
Leetcode 657 Solution
This article provides solution to leetcode question 657 (robot-return-to-origin)
Leetcode 664 Solution
This article provides solution to leetcode question 664 (strange-printer)
Leetcode 676 Solution
This article provides solution to leetcode question 676 (implement-magic-dictionary)
Leetcode 677 Solution
This article provides solution to leetcode question 677 (map-sum-pairs)
Leetcode 678 Solution
This article provides solution to leetcode question 678 (valid-parenthesis-string)
Leetcode 680 Solution
This article provides solution to leetcode question 680 (valid-palindrome-ii)
Leetcode 686 Solution
This article provides solution to leetcode question 686 (repeated-string-match)
Leetcode 691 Solution
This article provides solution to leetcode question 691 (stickers-to-spell-word)
Leetcode 692 Solution
This article provides solution to leetcode question 692 (top-k-frequent-words)
Leetcode 696 Solution
This article provides solution to leetcode question 696 (count-binary-substrings)
Leetcode 712 Solution
This article provides solution to leetcode question 712 (minimum-ascii-delete-sum-for-two-strings)
Leetcode 720 Solution
This article provides solution to leetcode question 720 (longest-word-in-dictionary)
Leetcode 721 Solution
This article provides solution to leetcode question 721 (accounts-merge)
Leetcode 736 Solution
This article provides solution to leetcode question 736 (parse-lisp-expression)
Leetcode 742 Solution
This article provides solution to leetcode question 742 (to-lower-case)
Leetcode 746 Solution
This article provides solution to leetcode question 746 (prefix-and-suffix-search)
Leetcode 753 Solution
This article provides solution to leetcode question 753 (open-the-lock)
Leetcode 768 Solution
This article provides solution to leetcode question 768 (partition-labels)
Leetcode 778 Solution
This article provides solution to leetcode question 778 (reorganize-string)
Leetcode 782 Solution
This article provides solution to leetcode question 782 (jewels-and-stones)
Leetcode 793 Solution
This article provides solution to leetcode question 793 (swap-adjacent-in-lr-string)
Leetcode 800 Solution
This article provides solution to leetcode question 800 (letter-case-permutation)
Leetcode 807 Solution
This article provides solution to leetcode question 807 (custom-sort-string)
Leetcode 808 Solution
This article provides solution to leetcode question 808 (number-of-matching-subsequences)
Leetcode 810 Solution
This article provides solution to leetcode question 810 (valid-tic-tac-toe-state)
Leetcode 812 Solution
This article provides solution to leetcode question 812 (rotate-string)
Leetcode 822 Solution
This article provides solution to leetcode question 822 (unique-morse-code-words)
Leetcode 824 Solution
This article provides solution to leetcode question 824 (number-of-lines-to-write-string)
Leetcode 829 Solution
This article provides solution to leetcode question 829 (subdomain-visit-count)
Leetcode 837 Solution
This article provides solution to leetcode question 837 (most-common-word)
Leetcode 841 Solution
This article provides solution to leetcode question 841 (shortest-distance-to-a-character)
Leetcode 857 Solution
This article provides solution to leetcode question 857 (positions-of-large-groups)
Leetcode 858 Solution
This article provides solution to leetcode question 858 (masking-personal-information)
Leetcode 862 Solution
This article provides solution to leetcode question 862 (find-and-replace-in-string)
Leetcode 868 Solution
This article provides solution to leetcode question 868 (push-dominoes)
Leetcode 872 Solution
This article provides solution to leetcode question 872 (split-array-into-fibonacci-sequence)
Leetcode 874 Solution
This article provides solution to leetcode question 874 (backspace-string-compare)
Leetcode 878 Solution
This article provides solution to leetcode question 878 (shifting-letters)
Leetcode 886 Solution
This article provides solution to leetcode question 886 (score-of-parentheses)
Leetcode 889 Solution
This article provides solution to leetcode question 889 (buddy-strings)
Leetcode 916 Solution
This article provides solution to leetcode question 916 (decoded-string-at-index)
Leetcode 920 Solution
This article provides solution to leetcode question 920 (uncommon-words-from-two-sentences)
Leetcode 926 Solution
This article provides solution to leetcode question 926 (find-and-replace-pattern)
Leetcode 929 Solution
This article provides solution to leetcode question 929 (groups-of-special-equivalent-strings)
Leetcode 952 Solution
This article provides solution to leetcode question 952 (word-subsets)
Leetcode 953 Solution
This article provides solution to leetcode question 953 (reverse-only-letters)
Leetcode 957 Solution
This article provides solution to leetcode question 957 (minimum-add-to-make-parentheses-valid)
Leetcode 961 Solution
This article provides solution to leetcode question 961 (long-pressed-name)
Leetcode 962 Solution
This article provides solution to leetcode question 962 (flip-string-to-monotone-increasing)
Leetcode 965 Solution
This article provides solution to leetcode question 965 (unique-email-addresses)
Leetcode 974 Solution
This article provides solution to leetcode question 974 (reorder-data-in-log-files)
Leetcode 979 Solution
This article provides solution to leetcode question 979 (di-string-match)
Leetcode 981 Solution
This article provides solution to leetcode question 981 (delete-columns-to-make-sorted)
Leetcode 986 Solution
This article provides solution to leetcode question 986 (largest-time-for-given-digits)
Leetcode 990 Solution
This article provides solution to leetcode question 990 (verifying-an-alien-dictionary)
Leetcode 992 Solution
This article provides solution to leetcode question 992 (delete-columns-to-make-sorted-ii)
Leetcode 1023 Solution
This article provides solution to leetcode question 1023 (time-based-key-value-store)
Leetcode 1026 Solution
This article provides solution to leetcode question 1026 (string-without-aaa-or-bbb)
Leetcode 1030 Solution
This article provides solution to leetcode question 1030 (smallest-string-starting-from-leaf)
Leetcode 1032 Solution
This article provides solution to leetcode question 1032 (satisfiability-of-equality-equations)
Leetcode 1044 Solution
This article provides solution to leetcode question 1044 (find-common-characters)
Leetcode 1045 Solution
This article provides solution to leetcode question 1045 (check-if-word-is-valid-after-substitutions)
Leetcode 1065 Solution
This article provides solution to leetcode question 1065 (binary-string-with-substrings-representing-1-to-n)
Leetcode 1078 Solution
This article provides solution to leetcode question 1078 (remove-outermost-parentheses)
Leetcode 1080 Solution
This article provides solution to leetcode question 1080 (camelcase-matching)
Leetcode 1093 Solution
This article provides solution to leetcode question 1093 (recover-a-tree-from-preorder-traversal)
Leetcode 1112 Solution
This article provides solution to leetcode question 1112 (find-words-that-can-be-formed-by-characters)
Leetcode 1122 Solution
This article provides solution to leetcode question 1122 (longest-duplicate-substring)
Leetcode 1128 Solution
This article provides solution to leetcode question 1128 (remove-all-adjacent-duplicates-in-string)
Leetcode 1129 Solution
This article provides solution to leetcode question 1129 (longest-string-chain)
Leetcode 1146 Solution
This article provides solution to leetcode question 1146 (greatest-common-divisor-of-strings)
Leetcode 1156 Solution
This article provides solution to leetcode question 1156 (occurrences-after-bigram)
Leetcode 1159 Solution
This article provides solution to leetcode question 1159 (smallest-subsequence-of-distinct-characters)
Leetcode 1170 Solution
This article provides solution to leetcode question 1170 (shortest-common-supersequence)
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 1211 Solution
This article provides solution to leetcode question 1211 (iterator-for-combination)
Leetcode 1238 Solution
This article provides solution to leetcode question 1238 (alphabet-board-path)
Leetcode 1250 Solution
This article provides solution to leetcode question 1250 (longest-common-subsequence)
Leetcode 1260 Solution
This article provides solution to leetcode question 1260 (day-of-the-year)
Leetcode 1281 Solution
This article provides solution to leetcode question 1281 (can-make-palindrome-from-substring)
Leetcode 1297 Solution
This article provides solution to leetcode question 1297 (maximum-number-of-balloons)
Leetcode 1298 Solution
This article provides solution to leetcode question 1298 (reverse-substrings-between-each-pair-of-parentheses)
Leetcode 1302 Solution
This article provides solution to leetcode question 1302 (delete-characters-to-make-fancy-string)
Leetcode 1304 Solution
This article provides solution to leetcode question 1304 (longest-happy-string)
Leetcode 1308 Solution
This article provides solution to leetcode question 1308 (smallest-string-with-swaps)
Leetcode 1320 Solution
This article provides solution to leetcode question 1320 (remove-all-adjacent-duplicates-in-string-ii)
Leetcode 1341 Solution
This article provides solution to leetcode question 1341 (split-a-string-in-balanced-strings)
Leetcode 1351 Solution
This article provides solution to leetcode question 1351 (replace-the-substring-for-balanced-string)
Leetcode 1360 Solution
This article provides solution to leetcode question 1360 (maximum-length-of-a-concatenated-string-with-unique-characters)
Leetcode 1369 Solution
This article provides solution to leetcode question 1369 (minimum-swaps-to-make-strings-equal)
Leetcode 1371 Solution
This article provides solution to leetcode question 1371 (minimum-remove-to-make-valid-parentheses)
Leetcode 1397 Solution
This article provides solution to leetcode question 1397 (search-suggestions-system)
Leetcode 1423 Solution
This article provides solution to leetcode question 1423 (maximum-number-of-occurrences-of-a-substring)
Leetcode 1449 Solution
This article provides solution to leetcode question 1449 (print-words-vertically)
Leetcode 1460 Solution
This article provides solution to leetcode question 1460 (number-of-substrings-containing-all-three-characters)
Leetcode 1469 Solution
This article provides solution to leetcode question 1469 (minimum-number-of-steps-to-make-two-strings-anagram)
Leetcode 1473 Solution
This article provides solution to leetcode question 1473 (find-the-longest-substring-containing-vowels-in-even-counts)
Leetcode 1483 Solution
This article provides solution to leetcode question 1483 (rank-teams-by-votes)
Leetcode 1502 Solution
This article provides solution to leetcode question 1502 (construct-k-palindrome-strings)
Leetcode 1516 Solution
This article provides solution to leetcode question 1516 (the-k-th-lexicographical-string-of-all-happy-strings-of-length-n)
Leetcode 1520 Solution
This article provides solution to leetcode question 1520 (number-of-steps-to-reduce-a-number-in-binary-representation-to-one)
Leetcode 1524 Solution
This article provides solution to leetcode question 1524 (string-matching-in-an-array)
Leetcode 1532 Solution
This article provides solution to leetcode question 1532 (reformat-the-string)
Leetcode 1534 Solution
This article provides solution to leetcode question 1534 (minimum-number-of-frogs-croaking)
Leetcode 1537 Solution
This article provides solution to leetcode question 1537 (maximum-score-after-splitting-a-string)
Leetcode 1542 Solution
This article provides solution to leetcode question 1542 (consecutive-characters)
Leetcode 1547 Solution
This article provides solution to leetcode question 1547 (destination-city)
Leetcode 1619 Solution
This article provides solution to leetcode question 1619 (path-crossing)
Leetcode 1648 Solution
This article provides solution to leetcode question 1648 (minimum-insertions-to-balance-a-parentheses-string)
Leetcode 1651 Solution
This article provides solution to leetcode question 1651 (shuffle-string)
Leetcode 1660 Solution
This article provides solution to leetcode question 1660 (thousand-separator)
Leetcode 1666 Solution
This article provides solution to leetcode question 1666 (make-the-string-great)
Leetcode 1667 Solution
This article provides solution to leetcode question 1667 (find-kth-bit-in-nth-binary-string)
Leetcode 1678 Solution
This article provides solution to leetcode question 1678 (number-of-ways-to-split-a-string)
Leetcode 1700 Solution
This article provides solution to leetcode question 1700 (minimum-time-to-make-rope-colorful)
Leetcode 1756 Solution
This article provides solution to leetcode question 1756 (minimum-deletions-to-make-string-balanced)
Leetcode 1770 Solution
This article provides solution to leetcode question 1770 (minimum-deletions-to-make-character-frequencies-unique)
Leetcode 1781 Solution
This article provides solution to leetcode question 1781 (check-if-two-string-arrays-are-equivalent)
Leetcode 1782 Solution
This article provides solution to leetcode question 1782 (smallest-string-with-a-given-numeric-value)
Leetcode 1823 Solution
This article provides solution to leetcode question 1823 (determine-if-string-halves-are-alike)
Leetcode 1880 Solution
This article provides solution to leetcode question 1880 (largest-merge-of-two-strings)
Leetcode 2001 Solution
This article provides solution to leetcode question 2001 (jump-game-vii)
Leetcode 2021 Solution
This article provides solution to leetcode question 2021 (remove-all-occurrences-of-a-substring)
Leetcode 2053 Solution
This article provides solution to leetcode question 2053 (check-if-all-characters-have-equal-number-of-occurrences)
Leetcode 2095 Solution
This article provides solution to leetcode question 2095 (minimum-number-of-swaps-to-make-the-string-balanced)
Leetcode 2113 Solution
This article provides solution to leetcode question 2113 (find-the-kth-largest-integer-in-the-array)
Leetcode 2217 Solution
This article provides solution to leetcode question 2217 (step-by-step-directions-from-a-binary-tree-node-to-another)
Leetcode 2220 Solution
This article provides solution to leetcode question 2220 (find-all-possible-recipes-from-given-supplies)
Leetcode 2226 Solution
This article provides solution to leetcode question 2226 (rings-and-rods)
Leetcode 2243 Solution
This article provides solution to leetcode question 2243 (check-if-all-as-appears-before-all-bs)
Leetcode 2256 Solution
This article provides solution to leetcode question 2256 (count-words-obtained-after-adding-a-letter)