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Problems

51 problems

Has videoPremium onlyReset
Array447String248Hash Table189Math173Database113Sorting100Simulation93Two Pointers70Counting69Bit Manipulation54Greedy51Matrix41Tree40Depth-First Search39Binary Tree37All topics

Easy · With video · 51 results

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TitleSolutionAcceptDifficultyTopics
409. Longest PalindromeVideo
Solution55.9%Easy
Greedy, Hash Table +1· 8 companies
455. Assign CookiesVideo
Solution55.4%Easy
Array, Greedy +2· 9 companies
561. Array PartitionVideo
Solution82.2%Easy
Array, Counting Sort +2· 5 companies
605. Can Place FlowersVideo
Solution28.8%Easy
Array, Greedy· 16 companies
680. Valid Palindrome IIVideo
Solution44.7%Easy
Greedy, String +1· 16 companies
860. Lemonade ChangeVideo
Solution59.6%Easy
Array, Greedy· 8 companies
942. DI String MatchVideo
Solution81.0%Easy
Array, Greedy +2· 3 companies
976. Largest Perimeter TriangleVideo
Solution62.1%Easy
Array, Greedy +2· 5 companies
1005. Maximize Sum Of Array After K NegationsVideo
Solution54.3%Easy
Array, Greedy +1· 4 companies
1013. Partition Array Into Three Parts With Equal SumVideo
Solution43.2%Easy
Array, Greedy· 5 companies
1196. How Many Apples Can You Put into the BasketVideoPremium
Solution67.0%Easy
Array, Greedy +1· 1 company
1217. Minimum Cost to Move Chips to The Same PositionVideo
Solution72.8%Easy
Array, Greedy +1· 5 companies
1221. Split a String in Balanced StringsVideo
Solution87.3%Easy
Counting, Greedy +1· 4 companies
1323. Maximum 69 NumberVideo
Solution84.5%Easy
Greedy, Math· 7 companies
1403. Minimum Subsequence in Non-Increasing OrderVideo
Solution73.7%Easy
Array, Greedy +1· 2 companies
1708. Largest Subarray Length KVideoPremium
Solution65.7%Easy
Array, Greedy· 1 company
1710. Maximum Units on a TruckVideo
Solution75.3%Easy
Array, Greedy +1· 9 companies
1736. Latest Time by Replacing Hidden DigitsVideo
Solution43.7%Easy
Greedy, String· 1 company
1827. Minimum Operations to Make the Array IncreasingVideo
Solution82.5%Easy
Array, Greedy· 4 companies
1903. Largest Odd Number in StringVideo
Solution67.7%Easy
Greedy, Math +1· 6 companies
1974. Minimum Time to Type Word Using Special TypewriterVideo
Solution79.1%Easy
Greedy, String· 3 companies
2027. Minimum Moves to Convert StringVideo
Solution58.4%Easy
Greedy, String· 3 companies
2037. Minimum Number of Moves to Seat EveryoneVideo
Solution87.4%Easy
Array, Counting Sort +2· 3 companies
2078. Two Furthest Houses With Different ColorsVideo
Solution71.8%Easy
Array, Greedy· 5 companies
2144. Minimum Cost of Buying Candies With DiscountVideo
Solution71.5%Easy
Array, Greedy +1· 5 companies
2160. Minimum Sum of Four Digit Number After Splitting DigitsVideo
Solution86.2%Easy
Greedy, Math +1· 2 companies
2224. Minimum Number of Operations to Convert TimeVideo
Solution66.3%Easy
Greedy, String· 1 company
2259. Remove Digit From Number to Maximize ResultVideo
Solution48.4%Easy
Enumeration, Greedy +1· 6 companies
2335. Minimum Amount of Time to Fill CupsVideo
Solution60.7%Easy
Array, Greedy +2· 1 company
2357. Make Array Zero by Subtracting Equal AmountsVideo
Solution73.8%Easy
Array, Greedy +4· 1 company
2383. Minimum Hours of Training to Win a CompetitionVideo
Solution42.5%Easy
Array, Greedy· 1 company
2389. Longest Subsequence With Limited SumVideo
Solution73.5%Easy
Array, Binary Search +3· 4 companies
2566. Maximum Difference by Remapping a DigitVideo
Solution75.5%Easy
Greedy, Math· 3 companies
2578. Split With Minimum SumVideo
Solution74.0%Easy
Greedy, Math +1· 2 companies
2591. Distribute Money to Maximum ChildrenVideo
Solution20.5%Easy
Greedy, Math· 4 companies
2600. K Items With the Maximum SumVideo
Solution60.2%Easy
Greedy, Math· 2 companies
2656. Maximum Sum With Exactly K Elements Video
Solution79.9%Easy
Array, Greedy· 1 company
2697. Lexicographically Smallest PalindromeVideo
Solution82.0%Easy
Greedy, String +1· 3 companies
2706. Buy Two ChocolatesVideo
Solution68.3%Easy
Array, Greedy +1· 2 companies
2864. Maximum Odd Binary NumberVideo
Solution83.0%Easy
Greedy, Math +1· 3 companies
2900. Longest Unequal Adjacent Groups Subsequence IVideo
Solution67.0%Easy
Array, Dynamic Programming +2· 1 company
3014. Minimum Number of Pushes to Type Word IVideo
Solution77.1%Easy
Greedy, Math +1· 4 companies
3074. Apple Redistribution into BoxesVideo
Solution78.5%Easy
Array, Greedy +1· 3 companies
3216. Lexicographically Smallest String After a SwapVideo
Solution54.6%Easy
Greedy, String· 1 company
3402. Minimum Operations to Make Columns Strictly IncreasingVideo
Solution71.9%Easy
Array, Greedy +1· 1 company
3487. Maximum Unique Subarray Sum After DeletionVideo
Solution40.5%Easy
Array, Greedy +1· 5 companies
3545. Minimum Deletions for At Most K Distinct CharactersVideo
Solution72.2%Easy
Counting, Greedy +3· 2 companies
3633. Earliest Finish Time for Land and Water Rides IVideo
Solution73.0%Easy
Array, Binary Search +3· 4 companies
3684. Maximize Sum of At Most K Distinct ElementsVideo
Solution76.8%Easy
Array, Greedy +2
3745. Maximize Expression of Three ElementsVideo
Solution72.3%Easy
Array, Enumeration +2
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