Daily random leetcode challenges

Mỗi ngày pick một challenge ngẫu nhiên từ leetcode.

Convention

• Submit code trên leetcode.
• Tạo thư mục lưu lời giải tương ứng với số thứ tự ngày.
• Lời giải hợp lệ lưu trong thư mục tương ứng, đặt tên file theo cấu trúc: lcnumber_solver.extension. Trong đó:
  • number: số thứ tự của challenge trên leetcode.
  • solver: tên của người giải.
  • extension: phần mở rộng tương ứng với ngôn ngữ trong lời giải.

Challenges

• Day 1: https://leetcode.com/problems/minimum-operations-to-reduce-an-integer-to-0/description/

• Day 2: https://leetcode.com/problems/take-gifts-from-the-richest-pile/description/

• Day 3: https://leetcode.com/problems/k-divisible-elements-subarrays/description/

• Day 4: https://leetcode.com/problems/my-calendar-iii/description/

• Day 5: https://leetcode.com/problems/numbers-with-same-consecutive-differences/description/

• Day 6: https://leetcode.com/problems/percentage-of-letter-in-string/description/

• Day 7: https://leetcode.com/problems/find-right-interval/description/

• Day 8: https://leetcode.com/problems/count-pairs-of-connectable-servers-in-a-weighted-tree-network/description/

• Day 9: https://leetcode.com/problems/maximum-points-in-an-archery-competition/description/

• Day 10: https://leetcode.com/problems/best-position-for-a-service-centre/description/

• Day 11: https://leetcode.com/problems/maximum-binary-string-after-change/description/

• Day 12: https://leetcode.com/problems/minimum-lines-to-represent-a-line-chart/description/

• Day 13: https://leetcode.com/problems/lru-cache/description/

• Day 14: https://leetcode.com/problems/split-two-strings-to-make-palindrome/description/

• Day 15: https://leetcode.com/problems/alert-using-same-key-card-three-or-more-times-in-a-one-hour-period/description/

• Day 16: https://leetcode.com/problems/minimum-operations-to-make-a-uni-value-grid/description/

• Day 17: https://leetcode.com/problems/minimum-moves-to-reach-target-score/description/

• Day 18: https://leetcode.com/problems/beautiful-arrangement-ii/description/

• Day 19: https://leetcode.com/problems/edit-distance/description/

• Day 20: https://leetcode.com/problems/minimum-time-to-repair-cars/description/

• Day 21: https://leetcode.com/problems/print-zero-even-odd/description/

• Day 22: https://leetcode.com/problems/binary-string-with-substrings-representing-1-to-n/

• Day 23: https://leetcode.com/problems/minimum-number-of-swaps-to-make-the-binary-string-alternating/description/

• Day 24: https://leetcode.com/problems/maximum-performance-of-a-team/description

• Day 25: https://leetcode.com/problems/number-of-days-between-two-dates/description

• Day 26: https://leetcode.com/problems/majority-element/description

• Day 27: https://leetcode.com/problems/find-nearest-right-node-in-binary-tree/description

• Day 28: https://leetcode.com/problems/random-flip-matrix/description

• Day 29: https://leetcode.com/problems/apply-discount-every-n-orders/description

• Day 30: https://leetcode.com/problems/minimum-recolors-to-get-k-consecutive-black-blocks/description

• Day 31: https://leetcode.com/problems/simple-bank-system/description

• Day 32: https://leetcode.com/problems/letter-tile-possibilities/description

• Day 33: https://leetcode.com/problems/sum-in-a-matrix/description

• Day 34: https://leetcode.com/problems/range-product-queries-of-powers/description

• Day 35: https://leetcode.com/problems/number-of-ways-to-build-house-of-cards/description

• Day 36: https://leetcode.com/problems/divisible-and-non-divisible-sums-difference/description

• Day 37: https://leetcode.com/problems/maximum-repeating-substring/description

• Day 38: https://leetcode.com/problems/bulb-switcher/description/

• Day 39: https://leetcode.com/problems/maximum-sum-of-two-non-overlapping-subarrays/description

• Day 40: https://leetcode.com/problems/count-pairs-of-similar-strings/description

• Day 41: https://leetcode.com/problems/sort-by/description

• Day 42: https://leetcode.com/problems/count-apples-and-oranges/description

• Day 43: https://leetcode.com/problems/maximum-units-on-a-truck/description

• Day 44: https://leetcode.com/problems/minimum-total-distance-traveled/description

• Day 45: https://leetcode.com/problems/maximum-number-of-balls-in-a-box/description

• Day 46: https://leetcode.com/problems/coin-change-ii/description

• Day 47: https://leetcode.com/problems/minimum-one-bit-operations-to-make-integers-zero/description

• Day 48: https://leetcode.com/problems/all-paths-from-source-lead-to-destination/description

• Day 49: https://leetcode.com/problems/remove-k-digits/description

• Day 50: https://leetcode.com/problems/minimum-number-of-operations-to-make-array-xor-equal-to-k/description

• Day 51: https://leetcode.com/problems/parallel-courses-iii/description

• Day 52: https://leetcode.com/problems/robot-collisions/description

• Day 54: https://leetcode.com/problems/longest-turbulent-subarray/description

• Day 55: https://leetcode.com/problems/maximum-twin-sum-of-a-linked-list/description

• Day 56: https://leetcode.com/problems/sudoku-solver/description

• Day 57: https://leetcode.com/problems/make-array-zero-by-subtracting-equal-amounts/description

• Day 58: https://leetcode.com/problems/tournament-winners/description

• Day 59: https://leetcode.com/problems/customers-who-bought-products-a-and-b-but-not-c/description

• Day 60: https://leetcode.com/problems/next-palindrome-using-same-digits/description

• Day 61: https://leetcode.com/problems/count-lattice-points-inside-a-circle/description

• Day 62: https://leetcode.com/problems/find-the-child-who-has-the-ball-after-k-seconds/description

• Day 63: https://leetcode.com/problems/car-pooling/description

• Day 64: https://leetcode.com/problems/count-vowel-substrings-of-a-string/description

• Day 65: https://leetcode.com/problems/number-of-spaces-cleaning-robot-cleaned/description

• Day 66: https://leetcode.com/problems/implement-magic-dictionary/description

• Day 67: https://leetcode.com/problems/sliding-window-maximum/description

• Day 68: https://leetcode.com/problems/maximum-profitable-triplets-with-increasing-prices-i/description

• Day 69: https://leetcode.com/problems/maximum-sum-score-of-array/description

• Day 70: https://leetcode.com/problems/number-of-ways-to-paint-n-3-grid/description

• Day 71: https://leetcode.com/problems/subdomain-visit-count/description

• Day 72: https://leetcode.com/problems/the-number-of-beautiful-subsets/description

• Day 73: https://leetcode.com/problems/find-maximal-uncovered-ranges/description

• Day 74: https://leetcode.com/problems/occurrences-after-bigram/description

• Day 75: https://leetcode.com/problems/path-sum-ii/description

• Day 76: https://leetcode.com/problems/longest-common-suffix-queries/description

• Day 77: https://leetcode.com/problems/detonate-the-maximum-bombs/description

• Day 78: https://leetcode.com/problems/widest-vertical-area-between-two-points-containing-no-points/description

• Day 79: https://leetcode.com/problems/cyclically-rotating-a-grid/description

• Day 80: https://leetcode.com/problems/maximum-number-of-occurrences-of-a-substring/description

• Day 81: https://leetcode.com/problems/find-pattern-in-infinite-stream-i/description

• Day 82: https://leetcode.com/problems/calculate-trapping-rain-water/description

• Day 83: https://leetcode.com/problems/employee-bonus/description

• Day 84: https://leetcode.com/problems/nested-list-weight-sum/description

• Day 85: https://leetcode.com/problems/construct-binary-tree-from-string/description

• Day 86: https://leetcode.com/problems/minimum-degree-of-a-connected-trio-in-a-graph/description

• Day 87: https://leetcode.com/problems/make-object-immutable/description

• Day 88: https://leetcode.com/problems/longest-subsequence-with-limited-sum/description

• Day 89: https://leetcode.com/problems/robot-bounded-in-circle/description

• Day 90: https://leetcode.com/problems/string-compression-iii/description

• Day 91: https://leetcode.com/problems/minimum-operations-to-make-a-subsequence/description

• Day 92: https://leetcode.com/problems/minimum-equal-sum-of-two-arrays-after-replacing-zeros/description

• Day 93: https://leetcode.com/problems/base-7/description

• Day 94: https://leetcode.com/problems/maximal-square/description

• Day 95: https://leetcode.com/problems/defuse-the-bomb/description

• Day 96: https://leetcode.com/problems/number-of-dice-rolls-with-target-sum/description

• Day 97: https://leetcode.com/problems/cherry-pickup-ii/description

• Day 98: https://leetcode.com/problems/minimum-operations-to-make-numbers-non-positive/description

• Day 99: https://leetcode.com/problems/longest-alternating-subarray/description

• Day 100: https://leetcode.com/problems/count-pairs-whose-sum-is-less-than-target/description

• Day 101: https://leetcode.com/problems/valid-phone-numbers/description

• Day 102: https://leetcode.com/problems/customer-order-frequency/description

• Day 103: https://leetcode.com/problems/least-operators-to-express-number/description

• Day 104: https://leetcode.com/problems/partition-equal-subset-sum/description

• Day 105: https://leetcode.com/problems/maximum-depth-of-binary-tree/description

• Day 106: https://leetcode.com/problems/minimum-moves-to-get-a-peaceful-board/description

• Day 107: https://leetcode.com/problems/count-good-numbers/description

• Day 108: https://leetcode.com/problems/minimum-operations-to-make-the-array-k-increasing/description

• Day 109: https://leetcode.com/problems/number-of-trusted-contacts-of-a-customer/description

• Day 110: https://leetcode.com/problems/find-the-maximum-number-of-marked-indices/description

• Day 111: https://leetcode.com/problems/bank-account-summary-ii/description

• Day 112: https://leetcode.com/problems/sort-an-array/description

• Day 113: https://leetcode.com/problems/minimum-score-of-a-path-between-two-cities/description

• Day 114: https://leetcode.com/problems/element-appearing-more-than-25-in-sorted-array/description

• Day 115: https://leetcode.com/problems/01-matrix/description

• Day 116: https://leetcode.com/problems/remove-all-ones-with-row-and-column-flips-ii/description

• Day 117: https://leetcode.com/problems/employees-earning-more-than-their-managers/description

• Day 118: https://leetcode.com/problems/design-a-stack-with-increment-operation/description

• Day 119: https://leetcode.com/problems/invalid-tweets/description

• Day 120: https://leetcode.com/problems/maximum-nesting-depth-of-two-valid-parentheses-strings/description

• Day 121: https://leetcode.com/problems/method-chaining/description

• Day 122: https://leetcode.com/problems/find-the-team-size/description

• Day 123: https://leetcode.com/problems/determine-if-a-cell-is-reachable-at-a-given-time/description

• Day 124: https://leetcode.com/problems/maximum-fruits-harvested-after-at-most-k-steps/description

• Day 125: https://leetcode.com/problems/minimum-path-sum/description

• Day 126: https://leetcode.com/problems/perfect-squares/description

• Day 127: https://leetcode.com/problems/minimum-subarrays-in-a-valid-split/description

• Day 128: https://leetcode.com/problems/friends-of-appropriate-ages/description

• Day 129: https://leetcode.com/problems/number-of-ships-in-a-rectangle/description

• Day 130: https://leetcode.com/problems/count-the-number-of-inversions/description

• Day 131: https://leetcode.com/problems/statistics-from-a-large-sample/description

• Day 132: https://leetcode.com/problems/first-unique-character-in-a-string/description

• Day 133: https://leetcode.com/problems/capital-gainloss/description

• Day 134: https://leetcode.com/problems/maximal-rectangle/description

• Day 135: https://leetcode.com/problems/maximal-range-that-each-element-is-maximum-in-it/description

• Day 136: https://leetcode.com/problems/leaf-similar-trees/description

• Day 137: https://leetcode.com/problems/minimum-bit-flips-to-convert-number/description

• Day 138: https://leetcode.com/problems/top-three-wineries/description

• Day 139: https://leetcode.com/problems/path-in-zigzag-labelled-binary-tree/description

• Day 140: https://leetcode.com/problems/replace-elements-in-an-array/description

• Day 141: https://leetcode.com/problems/sum-of-mutated-array-closest-to-target/description

• Day 142: https://leetcode.com/problems/json-deep-equal/description

• Day 143: https://leetcode.com/problems/longest-substring-with-at-most-two-distinct-characters/description

• Day 144: https://leetcode.com/problems/find-first-and-last-position-of-element-in-sorted-array/description

• Day 145: https://leetcode.com/problems/maximum-number-of-ones/description

• Day 146: https://leetcode.com/problems/reaching-points/description

• Day 147: https://leetcode.com/problems/search-suggestions-system/description

• Day 148: https://leetcode.com/problems/find-the-integer-added-to-array-ii/description

• Day 149: https://leetcode.com/problems/last-day-where-you-can-still-cross/description

• Day 150: https://leetcode.com/problems/maximum-number-of-fish-in-a-grid/description

• Day 151: https://leetcode.com/problems/kth-smallest-subarray-sum/description

• Day 152: https://leetcode.com/problems/final-prices-with-a-special-discount-in-a-shop/description

• Day 153: https://leetcode.com/problems/minimum-operations-to-reduce-x-to-zero/description

• Day 154: https://leetcode.com/problems/k-inverse-pairs-array/description

• Day 155: https://leetcode.com/problems/permutation-in-string/description

• Day 156: https://leetcode.com/problems/find-the-peaks/description

• Day 157: https://leetcode.com/problems/erect-the-fence/description

• Day 158: https://leetcode.com/problems/minimize-the-maximum-difference-of-pairs/description

• Day 159: https://leetcode.com/problems/maximum-profitable-triplets-with-increasing-prices-ii/description

• Day 160: https://leetcode.com/problems/number-of-valid-words-in-a-sentence/description

• Day 161: https://leetcode.com/problems/subsets-ii/description

• Day 162: https://leetcode.com/problems/number-of-dice-rolls-with-target-sum/description

• Day 163: https://leetcode.com/problems/design-log-storage-system/description

• Day 164: https://leetcode.com/problems/count-of-integers/description

• Day 165: https://leetcode.com/problems/fruit-into-baskets/description

• Day 166: https://leetcode.com/problems/find-duplicate-subtrees/description

• Day 167: https://leetcode.com/problems/queries-quality-and-percentage/description

• Day 168: https://leetcode.com/problems/sort-even-and-odd-indices-independently/description

• Day 169: https://leetcode.com/problems/minimize-the-difference-between-target-and-chosen-elements/description

• Day 170: https://leetcode.com/problems/find-the-substring-with-maximum-cost/description

• Day 171: https://leetcode.com/problems/flatten-2d-vector/description

• Day 172: https://leetcode.com/problems/add-two-numbers-ii/description

• Day 173: https://leetcode.com/problems/permutations-ii/description

• Day 174: https://leetcode.com/problems/minimum-garden-perimeter-to-collect-enough-apples/description

• Day 175: https://leetcode.com/problems/valid-palindrome-iv/description

• Day 176: https://leetcode.com/problems/largest-rectangle-in-histogram/description

• Day 177: https://leetcode.com/problems/count-stepping-numbers-in-range/description

• Day 178: https://leetcode.com/problems/find-pivot-index/description

• Day 179: https://leetcode.com/problems/minimum-xor-sum-of-two-arrays/description

• Day 180: https://leetcode.com/problems/all-divisions-with-the-highest-score-of-a-binary-array/description

• Day 181: https://leetcode.com/problems/minimum-amount-of-time-to-fill-cups/description

• Day 182: https://leetcode.com/problems/top-percentile-fraud/description

• Day 183: https://leetcode.com/problems/count-increasing-quadruplets/description

• Day 184: https://leetcode.com/problems/find-longest-self-contained-substring/description

• Day 185: https://leetcode.com/problems/find-k-closest-elements/description

• Day 186: https://leetcode.com/problems/minimum-number-of-operations-to-reinitialize-a-permutation/description

• Day 187: https://leetcode.com/problems/maximum-height-by-stacking-cuboids/description

• Day 188: https://leetcode.com/problems/simplified-fractions/description

• Day 189: https://leetcode.com/problems/word-ladder-ii/description

• Day 190: https://leetcode.com/problems/fancy-sequence/description

• Day 191: https://leetcode.com/problems/check-if-there-is-a-valid-parentheses-string-path/description

• Day 192: https://leetcode.com/problems/nth-digit/description

• Day 193: https://leetcode.com/problems/count-of-smaller-numbers-after-self/description

• Day 194: https://leetcode.com/problems/minimum-insertion-steps-to-make-a-string-palindrome/description

• Day 195: https://leetcode.com/problems/count-substrings-that-can-be-rearranged-to-contain-a-string-i/description

• Day 196: https://leetcode.com/problems/minimum-length-of-string-after-operations/description

• Day 197: https://leetcode.com/problems/employee-free-time/description

• Day 198: https://leetcode.com/problems/count-pairs-of-nodes/description

• Day 199: https://leetcode.com/problems/design-an-atm-machine/description

• Day 200: https://leetcode.com/problems/delete-columns-to-make-sorted-iii/description

• Day 201: https://leetcode.com/problems/convert-a-number-to-hexadecimal/description

• Day 202: https://leetcode.com/problems/4sum/description

• Day 203: https://leetcode.com/problems/range-sum-of-bst/description

• Day 204: https://leetcode.com/problems/minimum-suffix-flips/description

• Day 205: https://leetcode.com/problems/plates-between-candles/description

• Day 206: https://leetcode.com/problems/minimum-operations-to-make-the-array-increasing/description

• Day 207: https://leetcode.com/problems/letter-case-permutation/description

• Day 208: https://leetcode.com/problems/find-greatest-common-divisor-of-array/description

• Day 209: https://leetcode.com/problems/palindrome-linked-list/description

• Day 210: https://leetcode.com/problems/rotting-oranges/description

• Day 211: https://leetcode.com/problems/strange-printer/description

• Day 212: https://leetcode.com/problems/recyclable-and-low-fat-products/description

• Day 213: https://leetcode.com/problems/longest-substring-with-at-most-two-distinct-characters/description

• Day 214: https://leetcode.com/problems/odd-even-linked-list/description

• Day 215: https://leetcode.com/problems/find-the-peaks/description

• Day 216: https://leetcode.com/problems/minimum-costs-using-the-train-line/description

• Day 217: https://leetcode.com/problems/game-of-life/description

• Day 218: https://leetcode.com/problems/maximum-palindromes-after-operations/description