Files

.gitignore
0001-two-sum.cpp
0001-two-sum.py
0005-longest-palindromic-substring.py
0007-reverse-integer.py
0008-string-to-integer-atoi.cpp
0009-palindrome-number.cpp
0014-longest-common-prefix.c
0014-longest-common-prefix.cpp
0014-longest-common-prefix.py
0020-valid-parentheses.cpp
0021-merge-two-sorted-lists.c
0021-merge-two-sorted-lists.cpp
0023-merge-k-sorted-lists.cpp
0028-find-the-index-of-the-first-occurrence-in-a-string.cpp
0035-search-insert-position.py
0046-permutations.py
0047-permutations-ii.py
0049-group-anagrams.py
0053-maximum-subarray.py
0058-length-of-last-word.py
0065-valid-number.md
0065-valid-number.py
0066-plus-one-alternative.py
0066-plus-one.py
0067-add-binary.py
0069-sqrtx.c
0069-sqrtx.cpp
0070-climbing-stairs.c
0070-climbing-stairs.cpp
0070-climbing-stairs.py
0075-sort-colors.c
0075-sort-colors.cpp
0077-combinations.py
0078-subsets.py
0083-remove-duplicates-from-sorted-list.cpp
0094-binary-tree-inorder-traversal.cpp
0094-binary-tree-inorder-traversal.py
0100-same-tree.cpp
0101-symmetric-tree.cpp
0102-binary-tree-level-order-traversal.cpp
0104-maximum-depth-of-binary-tree.cpp
0116-populating-next-right-pointers-in-each-node.cpp
0117-populating-next-right-pointers-in-each-node-ii.cpp
0118-pascals-triangle.cpp
0119-pascals-triangle-ii.cpp
0125-valid-palindrome.py
0136-single-number.cpp
0136-single-number.py
0141-linked-list-cycle.cpp
0141-linked-list-cycle.py
0144-binary-tree-preorder-traversal.cpp
0144-binary-tree-preorder-traversal.py
0145-binary-tree-postorder-traversal.cpp
0146-lru-cache-stl.cpp
0146-lru-cache.cpp
0146-lru-cache.java
0146-lru-cache.py
0147-insertion-sort-list.cpp
0148-sort-list.cpp
0150-evaluate-reverse-polish-notation.cpp
0150-evaluate-reverse-polish-notation.py
0168-excel-sheet-column-title.cpp
0169-majority-element.cpp
0171-excel-sheet-column-number-alternative.cpp
0171-excel-sheet-column-number.cpp
0173-binary-search-tree-iterator.cpp
0175-combine-two-tables.sql
0187-repeated-dna-sequences.py
0190-reverse-bits.cpp
0191-number-of-1-bits.cpp
0193-valid-phone-numbers.sh
0195-tenth-line.sh
0202-happy-number.cpp
0203-remove-linked-list-elements.py
0206-reverse-linked-list.cpp
0217-contains-duplicate.py
0231-power-of-two.cpp
0234-palindrome-linked-list.cpp
0242-valid-anagram.cpp
0242-valid-anagram.py
0258-add-digits.cpp
0278-first-bad-version.cpp
0287-find-the-duplicate-numer.cpp
0289-game-of-life.c
0289-game-of-life.py
0290-word-pattern.py
0344-reverse-string.cpp
0344-reverse-string.py
0367-valid-perfect-square.cpp
0374-guess-number-higher-or-lower.cpp
0380-insert-delete-getrandom-o1.cpp
0387-first-unique-character-in-a-string.cpp
0412-fizz-buzz.py
0461-hamming-distance.cpp
0476-number-compliment.cpp
0482-license-key-formatting.cpp
0500-keyboard-row.py
0504-base-7.cpp
0509-fibonacci-number.c
0509-fibonacci-number.cpp
0509-fibonacci-number.py
0520-detect-capital.cpp
0535-encode-and-decode-tinyurl.cpp
0535-encode-and-decode-tinyurl.java
0559-maximum-depth-of-n-ary-tree.cpp
0589-n-ary-tree-preorder-traversal.cpp
0590-n-ary-tree-postorder-traversal.cpp
0700-search-in-a-binary-search-tree.cpp
0704-binary-search.c
0704-binary-search.cpp
0704-binary-search.py
0709-to-lower-case.c
0709-to-lower-case.cpp
0709-to-lower-case.py
0771-jewels-and-stones.cpp
0804-unique-morse-code-words.cpp
0832-flipping-an-image.py
0876-middle-of-the-linked-list.cpp
0965-univalued-binary-tree.cpp
0977-squares-of-a-sorted-array.cpp
1009-complement-of-base-10-integer.cpp
1108-defanging-an-ip-address.py
1281-subtract-the-product-and-sum-of-digits-of-an-integer.cpp
1290-convert-binary-number-in-a-linked-list-to-integer.cpp
1313-decompress-run-length-encoded-list.c
1313-decompress-run-length-encoded-list.cpp
1313-decompress-run-length-encoded-list.py
1323-maximum-69-number.py
1342-number-of-steps-to-reduce-a-number-to-zero.cpp
1346-check-if-n-and-its-double-exist.c
1346-check-if-n-and-its-double-exist.cpp
1346-check-if-n-and-its-double-exist.py
1351-count-negative-numbers-in-a-sorted-matrix.py
1365-how-many-numbers-are-smaller-than-the-current-number.py
1379-find-a-corresponding-node-of-a-binary-tree-in-a-clone-of-that-tree.cpp
1414-find-the-minimum-number-of-fibonacci-numbers-whose-sum-is-k.c
1431-kids-with-the-greatest-number-of-candies.cpp
1455-check-if-a-word-occurs-as-a-prefix-of-any-word-in-a-sentence.cpp
1455-check-if-a-word-occurs-as-a-prefix-of-any-word-in-a-sentence.py
1470-shuffle-the-array.cpp
1472-design-browser-history.cpp
1480-running-sum-of-1d-array.c
1480-running-sum-of-1d-array.cpp
1480-running-sum-of-1d-array.py
1486-xor-operation-in-an-array.cpp
1486-xor-operation-in-an-array.py
1512-number-of-good-pairs.cpp
1603-design-parking-system.cpp
1672-richest-customer-wealth.cpp
1672-richest-customer-wealth.py
1678-goal-parser-interpretation.py
1683-invalid-tweets.sql
1684-count-the-number-of-consistent-strings.py
1732-find-the-highest-altitude.cpp
1749-maximum-absolute-sum-of-any-subarray.py
1757-recyclable-and-low-fat-products.sql
1769-minimum-number-of-operations-to-move-all-balls-to-each-box.py
1832-check-if-the-sentence-is-pangram.c
1832-check-if-the-sentence-is-pangram.cpp
1845-seat-reservation-manager.cpp
1876-substrings-of-size-three-with-distinct-characters.cpp
1876-substrings-of-size-three-with-distinct-characters.py
1910-remove-all-occurrences-of-a-substring.cpp
1910-remove-all-occurrences-of-a-substring.py
1920-build-array-from-permutation.c
1920-build-array-from-permutation.cpp
1920-build-array-from-permutation.py
1929-concatenation-of-array.c
1929-concatenation-of-array.cpp
1929-concatenation-of-array.py
2011-final-value-of-variable-after-performing-operations.cpp
2011-final-value-of-variable-after-performing-operations.py
2044-count-number-of-maximum-bitwise-or-subsets.py
2095-delete-the-middle-node-of-a-linked-list.cpp
2108-find-first-palindromic-string-in-the-array.cpp
2108-find-first-palindromic-string-in-the-array.py
2109-adding-spaces-to-a-string.cpp
2114-maximum-number-of-words-found-in-sentences.py
2124-check-if-all-as-appears-before-all-bs.c
2166-design-bitset.py
2185-counting-words-with-a-given-prefix.c
2185-counting-words-with-a-given-prefix.py
2194-cells-in-a-range-on-an-excel-sheet.cpp
2235-add-two-integers.c
2235-add-two-integers.cpp
2315-count-asterisks.cpp
2325-decode-the-message.cpp
2331-evaluate-boolean-binary-tree.cpp
2413-smallest-even-multiple.cpp
2415-reverse-odd-levels-of-binary-tree.cpp
2469-convert-the-temperature.cpp
2469-convert-the-temperature.py
2500-delete-greatest-value-in-each-row.py
2520-count-the-digits-that-divide-a-number.cpp
2535-difference-between-element-sum-and-digit-sum-of-an-array.cpp
2554-maximum-number-of-integers-to-choose-from-a-range-i.cpp
2558-take-gifts-from-the-richest-pile.cpp
2593-find-score-of-an-array-after-marking-all-elements.cpp
2593-find-score-of-an-array-after-marking-all-elements.py
2619-array-prototype-last.js
2620-counter.js
2623-memoize.js
2626-array-reduce-transformation.js
2627-debounce.js
2629-function-composition.js
2635-apply-transform-over-each-element-in-array.js
2648-generate-fibonacci-sequence.js
2652-sum-multiples.cpp
2666-allow-one-function-call.js
2667-create-hello-world-function.js
2695-array-wrapper.js
2703-return-length-of-arguments-passed.js
2715-timeout-cancellation.js
2723-add-two-promises.js
2724-sort-by.js
2725-interval-cancellation.js
2769-find-the-maximum-achievable-number.cpp
2788-split-strings-by-separator.cpp
2798-number-of-employees-who-met-the-target.cpp
2810-faulty-keyboard.cpp
2825-make-string-a-subsequence-using-cyclic-increments.cpp
2879-display-the-first-three-rows.py
2894-divisible-and-non-divisible-sums-difference.cpp
2942-find-words-containing-character.cpp
2942-find-words-containing-character.py
2974-minimum-number-game.cpp
3019-number-of-changing-keys.cpp
3024-type-of-triangle.cpp
3110-score-of-a-string.cpp
3162-find-the-number-of-good-pairs-i.py
3174-clear-digits.py
3190-find-minimum-operations-to-make-all-elements-divisible-by-three.cpp
3248-snake-in-matrix.cpp
3248-snake-in-matrix.py
3264-final-array-state-after-k-multiplication-operations-i.cpp
3264-final-array-state-after-k-multiplication-operations-i.py
3280-convert-date-to-binary.py
3289-the-two-sneaky-numbers-of-digitville.cpp
LICENSE
README.md
missing.py

0065-valid-number.py

add 5, 47, 187; update 46, 65, 67, 289

May 1, 2025

5ca79a4 · May 1, 2025