Leetcode-Challenge
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All Leetcode solutions whose videos are on the channel.
LeetCode Problems
| Number | Name of Problem | Leetcode Link | Video Link | Code |
|---|---|---|---|---|
| 55 | Jump Game | https://leetcode.com/problems/jump-game/ | https://youtu.be/C6AZyfj-Kyw | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/55.%20Jump%20Game |
| 118 | Pascal's Triangle | https://leetcode.com/problems/pascals-triangle/description/ | https://youtu.be/eeleEMOlRpA | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/118.%20Pascal's%20Triangle |
| 121 | Best Time to Buy and Sell Stock | https://leetcode.com/problems/best-time-to-buy-and-sell-stock/ | https://youtu.be/5skEWekmJ2w | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/121.%20Best%20Time%20to%20Buy%20and%20Sell%20Stock |
| 134 | Gas Station | https://leetcode.com/problems/gas-station/ | https://youtu.be/3wUa7Lf1Xjk | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/134.%20Gas%20Station |
| 198 | House Robber | https://leetcode.com/problems/house-robber/ | https://youtu.be/YEEQRP2ZFxk | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/198.%20House%20Robber |
| 206 | Reverse Linked List | https://leetcode.com/problems/reverse-linked-list/description/ | https://youtu.be/rzXJe1xMHLc | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/206.%20Reverse%20Linked%20List |
| 213 | House Robber II | https://leetcode.com/problems/house-robber-ii/ | https://youtu.be/5bxF0MJ1oM0 | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/213.%20House%20Robber%20II |
| 300 | Longest Increasing Subsequence | https://leetcode.com/problems/longest-increasing-subsequence/description/ | https://youtu.be/iyd-8fpqEgU | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/300.%20Longest%20Increasing%20Subsequence |
| 337 | House Robber III | https://leetcode.com/problems/house-robber-iii/ | https://youtu.be/FRP5l83XoZo | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/337.%20House%20Robber%20III |
| 403 | Frog jump | https://leetcode.com/problems/frog-jump/ | https://youtu.be/3FYCPlIx3YA | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/403.%20Frog%20Jump |
| 530 | Minimum Absolute Difference in BST | https://leetcode.com/problems/minimum-absolute-difference-in-bst/description/ | https://youtu.be/uDykjVZ5s4o | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/530.%20Minimum%20Absolute%20Difference%20in%20BST |
| 724 | Find Pivot Index | https://leetcode.com/problems/find-pivot-index/description/ | https://youtu.be/HSg9QONpcPw | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/724.%20Find%20Pivot%20Index |
| 862 | Shortest Subarray with Sum at Least K | https://leetcode.com/problems/shortest-subarray-with-sum-at-least-k/description/ | https://youtu.be/eWbH_j6Lgnk | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/862.%20Shortest%20Subarray%20with%20Sum%20at%20Least%20K |
| 1071 | Greatest Common Divisor of Strings | https://leetcode.com/problems/greatest-common-divisor-of-strings/description/ | https://youtu.be/41iKYE0n0PQ | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/1071.%20Greatest%20Common%20Divisor%20of%20Strings |
| 1129 | Shortest Path with Alternating Colors | https://leetcode.com/problems/shortest-path-with-alternating-colors/description/ | https://youtu.be/8FcdSwqR3Js | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/1129.%20Shortest%20Path%20with%20Alternating%20Colors |
| 1340 | Jump Game V | https://leetcode.com/problems/jump-game-v/ | https://youtu.be/pQXbujZLTv0 | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/1340.%20Jump%20Game%20V |
| 1353 | Maximum Number of Events That Can Be Attended | https://leetcode.com/problems/maximum-number-of-events-that-can-be-attended/ | https://youtu.be/dTVB1W7-BvY | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/1353.%20Maximum%20Number%20of%20Events%20That%20Can%20Be%20Attended |
| 1365 | How Many Numbers Are Smaller Than the Current Number | https://leetcode.com/problems/how-many-numbers-are-smaller-than-the-current-number/description/ | https://youtu.be/CKSdHsQyPYk | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/1365.%20How%20Many%20Numbers%20Are%20Smaller%20Than%20the%20Current%20Number |
| 1498 | Number of Subsequences That Satisfy the Given Sum Condition | https://leetcode.com/problems/number-of-subsequences-that-satisfy-the-given-sum-condition/description/ | https://youtu.be/CNwBICbW-M8 | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/1498.%20Number%20of%20Subsequences%20That%20Satisfy%20the%20Given%20Sum%20Condition |
| 1510 | Stone Game IV | https://leetcode.com/problems/stone-game-iv/ | https://youtu.be/Gcg_a3r8FA0 | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/1510.%20Stone%20Game%20IV |
| 1523 | Count Odd Numbers in an Interval Range | https://leetcode.com/problems/count-odd-numbers-in-an-interval-range/description/ | https://youtu.be/HxI78QECe0c | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/1523.%20Count%20Odd%20Numbers%20in%20an%20Interval%20Range |
| 1696 | Jump Game VI | https://leetcode.com/problems/jump-game-vi/ | https://youtu.be/LiEcBMK5PQs | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/1696.%20Jump%20Game%20VI |
| 1751 | Maximum Number of Events That Can Be Attended II | https://leetcode.com/problems/maximum-number-of-events-that-can-be-attended-ii/description/ | https://youtu.be/C3r4OTOmfaI | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/1751.%20Maximum%20Number%20of%20Events%20That%20Can%20Be%20Attended%20II |
| 1834 | Single-Threaded CPU | https://leetcode.com/problems/single-threaded-cpu/ | https://youtu.be/6104EJTG_T4 | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/1834.%20Single-Threaded%20CPU |
| 1871 | Jump Game VII | https://leetcode.com/problems/jump-game-vii/ | https://youtu.be/bZxWLuiqHes | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/1871.%20Jump%20Game%20VII |
| 2328 | Number of Increasing Paths in a Grid | https://leetcode.com/problems/number-of-increasing-paths-in-a-grid/description/ | https://youtu.be/kPAv1t2uBjg | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/2328.%20Number%20of%20Increasing%20Paths%20in%20a%20Grid |
| 2375 | Construct Smallest Number From DI String | https://leetcode.com/problems/construct-smallest-number-from-di-string/ | https://youtu.be/GEqSg0Otq4Y | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/2375.%20Construct%20Smallest%20Number%20From%20DI%20String |
| 2531 | Make Number of Distinct Characters Equal | https://leetcode.com/problems/make-number-of-distinct-characters-equal/description/ | https://youtu.be/GwWmlpIEIwc | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/2531.%20Make%20Number%20of%20Distinct%20Characters%20Equal |
| 2598 | Length Of Longest Subarray with at most K Frequency | https://leetcode.com/problems/length-of-longest-subarray-with-at-most-k-frequency/ | https://youtu.be/GwWmlpIEIwc | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/2598.%20Length%20Of%20Longest%20Subarray%20with%20at%20most%20K%20Frequency |
| 2657 | Find the Prefix Common Array of Two Arrays | https://leetcode.com/problems/find-the-prefix-common-array-of-two-arrays/description/ | https://youtu.be/m6s9dBCBocQ | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/2657.%20Find%20the%20Prefix%20Common%20Array%20of%20Two%20Arrays |
Leetcode-Challenge
July Leetcoding Challenge 2021
| Day | Name of Problem | Leetcode Link | Video Link | Code |
|---|---|---|---|---|
| 18 | Reverse Nodes in k-Group | https://leetcode.com/problems/reverse-nodes-in-k-group/ | https://youtu.be/FYsYAELWyRs | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/25.%20Reverse%20Nodes%20in%20k-Group |
| 26 | Non-negative Integers without Consecutive Ones | https://leetcode.com/problems/non-negative-integers-without-consecutive-ones/ | https://youtu.be/Pdeje3QH8G8 | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/600.%20Non-negative%20Integers%20without%20Consecutive%20Ones |
June Leetcoding Challenge 2021
| Day | Name of Problem | Leetcode Link | Video Link | Code |
|---|---|---|---|---|
| 12 | Minimum Number of Refueling Stops | https://leetcode.com/problems/minimum-number-of-refueling-stops/ | https://youtu.be/4RgqAQFr9WQ | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/871.%20Minimum%20Number%20of%20Refueling%20Stops |
May Leetcoding Challenge 2021
| Day | Name of Problem | Leetcode Link | Video Link | Code |
|---|---|---|---|---|
| 1 | Prefix and Suffix Search | https://leetcode.com/problems/prefix-and-suffix-search/ | https://youtu.be/U7fIQ7qAeuE | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/745.%20Prefix%20and%20Suffix%20Search |
| 2 | Course Schedule III | https://leetcode.com/problems/course-schedule-iii/ | https://youtu.be/ey8FxYsFAMU | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/630.%20Course%20Schedule%20III |
| 3 | Running Sum of 1d Array | https://leetcode.com/problems/running-sum-of-1d-array/ | https://youtu.be/3uMmKCZ_9Go | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/1480.%20Running%20Sum%20of%201d%20Array |
| 4 | Non-decreasing Array | https://leetcode.com/problems/non-decreasing-array/ | https://youtu.be/iL7oSNc3OXA | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/665.%20Non-decreasing%20Array |
| 5 | Jump Game II | https://leetcode.com/problems/jump-game-ii/ | https://youtu.be/BRnRPLNGWIo | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/45.%20Jump%20Game%20II |
| 6 | Convert Sorted List to BST | https://leetcode.com/problems/convert-sorted-list-to-binary-search-tree/ | https://youtu.be/5IQF13nNq6A | https://github.com/Algorithms-Made-Easy/Tree/blob/master/Convert-Sorted-List-to-Binary-Search-Tree |
| 7 | Delete Operation for Two Strings | https://leetcode.com/problems/delete-operation-for-two-strings/ | https://youtu.be/VSrsUkoG0bk | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/583.%20Delete%20Operation%20for%20Two%20Strings |
| 8 | Super Palindromes | https://leetcode.com/problems/super-palindromes/ | https://youtu.be/iZ_wJbrlJz0 | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/906.%20Super%20Palindromes |
| 9 | Construct Target Array With Multiple Sums | https://leetcode.com/problems/construct-target-array-with-multiple-sums/ | https://youtu.be/h9t7JF50Mpw | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/1354.%20Construct%20Target%20Array%20With%20Multiple%20Sums |
| 10 | Count Primes | https://leetcode.com/problems/count-primes/ | https://youtu.be/5LMkddl2NCk | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/204.%20Count%20Primes |
| 11 | Maximum Points You Can Obtain from Cards | https://leetcode.com/problems/maximum-points-you-can-obtain-from-cards/ | https://youtu.be/U0utLw_vWGM | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/1423.%20Maximum%20Points%20You%20Can%20Obtain%20from%20Cards |
| 12 | Range Sum Query 2D - Immutable | https://leetcode.com/problems/range-sum-query-2d-immutable/ | https://youtu.be/rkLDDxOcJxU | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/304.%20Range%20Sum%20Query%202D%20-%20Immutable |
| 13 | Ambiguous Coordinates | https://leetcode.com/problems/ambiguous-coordinates/ | https://youtu.be/rt-lJS5nlOQ | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/816.%20Ambiguous%20Coordinates |
| 14 | Flatten Binary Tree to Linked List | https://leetcode.com/problems/flatten-binary-tree-to-linked-list/ | https://youtu.be/NOKVBiJwkD0 | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/114.%20Flatten%20Binary%20Tree%20to%20Linked%20List |
| 15 | Valid Number | https://leetcode.com/problems/valid-number/ | https://youtu.be/0qac3ngAZmE | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/65.%20Valid%20Number |
| 16 | Binary Tree Cameras | https://leetcode.com/problems/binary-tree-cameras/ | https://youtu.be/2Gh5WPjAgJk | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/968.%20Binary%20Tree%20Cameras |
| 17 | Longest String Chain | https://leetcode.com/problems/longest-string-chain/ | https://youtu.be/pXG3uE_KqZM | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/1048.%20Longest%20String%20Chain |
| 18 | Find Duplicate File in System | https://leetcode.com/problems/find-duplicate-file-in-system/ | https://youtu.be/4KGl6PMwVXE | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/609.%20Find%20Duplicate%20File%20in%20System |
| 19 | Minimum Moves to Equal Array Elements II | https://leetcode.com/problems/minimum-moves-to-equal-array-elements-ii/ | https://youtu.be/FGgL5QxZLno | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/462.%20Minimum%20Moves%20to%20Equal%20Array%20Elements%20II |
| 20 | Binary Tree Level Order Traversal | https://leetcode.com/problems/binary-tree-level-order-traversal/ | https://youtu.be/vQrggrFMyp8 | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/102.%20Binary%20Tree%20Level%20Order%20Traversal |
| 21 | Find and Replace Pattern | https://leetcode.com/problems/find-and-replace-pattern/ | https://youtu.be/JbiV9l5AHQE | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/890.%20Find%20and%20Replace%20Pattern |
| 22 | N-Queens | https://leetcode.com/problems/n-queens/ | https://youtu.be/jJMWhGKq3SM | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/51.%20N-Queens |
April Leetcoding Challenge 2021
| Day | Name of Problem | Leetcode Link | Video Link | Code |
|---|---|---|---|---|
| 1 | Palindrome Linked List | https://leetcode.com/problems/palindrome-linked-list/ | https://youtu.be/Ll9ZbXaXqlQ | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/234.%20Palindrome%20Linked%20List |
| 2 | Ones and Zeroes | https://leetcode.com/problems/ones-and-zeroes/ | https://youtu.be/qkUZ87NCYSw | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/474.%20Ones%20and%20Zeroes |
| 3 | Longest Valid Parentheses | https://leetcode.com/problems/longest-valid-parentheses/ | https://youtu.be/VdQuwtEd10M | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/32.%20Longest%20Valid%20Parentheses |
| 4 | Design Circular Queue | https://leetcode.com/problems/design-circular-queue/ | https://youtu.be/Q2YhZ6Pq0GQ | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/622.%20Design%20Circular%20Queue |
| 5 | Global and Local Inversions | https://leetcode.com/problems/global-and-local-inversions/ | https://youtu.be/1QlP6cVLrII | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/775.%20Global%20and%20Local%20Inversions |
| 6 | Minimum Operations to Make Array Equal | https://leetcode.com/problems/minimum-operations-to-make-array-equal/ | https://youtu.be/9aGx9hoIBjI | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/1551.%20Minimum%20Operations%20to%20Make%20Array%20Equal |
| 7 | Determine if String Halves Are Alike | https://leetcode.com/problems/determine-if-string-halves-are-alike/ | https://youtu.be/752uISt9sCs | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/1704.%20Determine%20if%20String%20Halves%20Are%20Alike |
| 8 | Letter Combinations of a Phone Number | https://leetcode.com/problems/letter-combinations-of-a-phone-number/ | https://youtu.be/Ydur1aYALc4 | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/17.%20Letter%20Combinations%20of%20a%20Phone%20Number |
| 9 | Verifying an Alien Dictionary | https://leetcode.com/problems/verifying-an-alien-dictionary/ | https://youtu.be/jK5a8T9q4pc | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/953.%20Verifying%20an%20Alien%20Dictionary |
| 10 | Deepest Leaves Sum | https://leetcode.com/problems/deepest-leaves-sum/ | https://youtu.be/kgG2LuxzAHU | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/1302.%20Deepest%20Leaves%20Sum |
| 11 | Longest Increasing Path in a Matrix | https://leetcode.com/problems/longest-increasing-path-in-a-matrix/ | https://youtu.be/WiEqhI7v2FY | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/329.%20Longest%20Increasing%20Path%20in%20a%20Matrix |
| 12 | Beautiful Arrangement II | https://leetcode.com/problems/beautiful-arrangement-ii/ | https://youtu.be/BiQlqgmJ0BM | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/667.%20Beautiful%20Arrangement%20II |
| 13 | Flatten Nested List Iterator | https://leetcode.com/problems/flatten-nested-list-iterator/ | https://youtu.be/V-gPWPOyq8I | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/341.%20Flatten%20Nested%20List%20Iterator |
| 14 | Partition List | https://leetcode.com/problems/partition-list/ | https://youtu.be/b4FeEwAGDtU | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/86.%20Partition%20List |
| 15 | Fibonacci Number | https://leetcode.com/problems/fibonacci-number/ | https://youtu.be/kIzjdvU_QIU | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/509.%20Fibonacci%20Number |
| 16 | Remove All Adjacent Duplicates in String II | https://leetcode.com/problems/remove-all-adjacent-duplicates-in-string-ii/ | https://youtu.be/RJpy4A7LJrs | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/1209.%20Remove%20All%20Adjacent%20Duplicates%20in%20String%20II |
| 17 | Number of Submatrices That Sum to Target | https://leetcode.com/problems/number-of-submatrices-that-sum-to-target/ | https://youtu.be/elADMOC_hDI | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/1074.%20Number%20of%20Submatrices%20That%20Sum%20to%20Target |
| 18 | Remove Nth Node From End of List | https://leetcode.com/problems/remove-nth-node-from-end-of-list/ | https://youtu.be/Kncuqqg_I18 | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/19.%20Remove%20Nth%20Node%20From%20End%20of%20List |
| 19 | Combination Sum IV | https://leetcode.com/problems/combination-sum-iv/ | https://youtu.be/GWqe_xfqxCA | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/377.%20Combination%20Sum%20IV |
| 20 | N-ary Tree Preorder Traversal | https://leetcode.com/problems/n-ary-tree-preorder-traversal/ | https://youtu.be/DAIN1ZzvFeA | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/589.%20N-ary%20Tree%20Preorder%20Traversal |
| 21 | Triangle | https://leetcode.com/problems/triangle/ | https://youtu.be/O2eaAdBpZBQ | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/120.%20Triangle |
| 22 | Brick Wall | https://leetcode.com/problems/brick-wall/ | https://youtu.be/s4pN9Qfj8EY | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/554.%20Brick%20Wall |
| 23 | Count Binary Substrings | https://leetcode.com/problems/count-binary-substrings/ | https://youtu.be/MGPHPadxhtQ | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/696.%20Count%20Binary%20Substrings |
| 24 | Critical Connections in a Network | https://leetcode.com/problems/critical-connections-in-a-network/ | https://youtu.be/5xUdS0hclQ4 | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/1192.%20Critical%20Connections%20in%20a%20Network |
| 25 | Rotate Image | https://leetcode.com/problems/rotate-image/ | https://youtu.be/bW_9pjcXP_4 | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/48.%20Rotate%20Image |
| 26 | Furthest Building You Can Reach | https://leetcode.com/problems/furthest-building-you-can-reach/ | https://youtu.be/wAxhnUhXvHE | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/1642.%20Furthest%20Building%20You%20Can%20Reach |
| 27 | Power of Three | https://leetcode.com/problems/power-of-three/ | https://youtu.be/GNb8vSyw-WE | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/326.%20Power%20of%20Three |
| 28 | Unique Paths II | https://leetcode.com/problems/unique-paths-ii/ | https://youtu.be/nZSXWXzn1aM | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/63.%20Unique%20Paths%20II |
| 29 | Find First and Last Position of Element in Sorted Array | https://leetcode.com/problems/find-first-and-last-position-of-element-in-sorted-array/ | https://youtu.be/c_HH9sakxpY | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/34.%20Find%20First%20and%20Last%20Position%20of%20Element%20in%20Sorted%20Array |
| 30 | Powerful Integers | https://leetcode.com/problems/powerful-integers/ | https://youtu.be/dkvMSZ1tRXo | https://github.com/Algorithms-Made-Easy/Leetcode-Challenge/blob/main/970.%20Powerful%20Integers |