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Problems

331 problems

Has videoPremium onlyReset
Array1,212Hash Table473String437Math331Greedy330Dynamic Programming327Sorting302Depth-First Search208Binary Search189Breadth-First Search166Matrix163Tree158Prefix Sum155Two Pointers150Database137All topics

Medium · 331 results

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TitleSolutionAcceptDifficultyTopics
1058. Minimize Rounding Error to Meet TargetVideoPremium
Solution45.9%Medium
Array, Greedy +3· 1 company
1073. Adding Two Negabinary NumbersVideo
Solution38.3%Medium
Array, Math· 1 company
1093. Statistics from a Large SampleVideo
Solution43.6%Medium
Array, Math +1· 1 company
1104. Path In Zigzag Labelled Binary TreeVideo
Solution75.9%Medium
Binary Tree, Math +1· 2 companies
1131. Maximum of Absolute Value ExpressionVideo
Solution49.0%Medium
Array, Math· 2 companies
1140. Stone Game IIVideo
Solution75.8%Medium
Array, Dynamic Programming +3· 5 companies
1201. Ugly Number IIIVideo
Solution31.9%Medium
Binary Search, Combinatorics +2· 3 companies
1215. Stepping NumbersVideoPremium
Solution48.2%Medium
Backtracking, Breadth-First Search +1· 1 company
1227. Airplane Seat Assignment ProbabilityVideo
Solution67.3%Medium
Brainteaser, Dynamic Programming +2· 2 companies
1230. Toss Strange CoinsVideoPremium
Solution58.1%Medium
Array, Dynamic Programming +2· 1 company
1237. Find Positive Integer Solution for a Given EquationVideo
Solution70.3%Medium
Binary Search, Interactive +2· 2 companies
1238. Circular Permutation in Binary RepresentationVideo
Solution73.2%Medium
Backtracking, Bit Manipulation +1· 1 company
1247. Minimum Swaps to Make Strings EqualVideo
Solution65.3%Medium
Greedy, Math +1· 4 companies
1248. Count Number of Nice SubarraysVideo
Solution75.5%Medium
Array, Hash Table +3· 9 companies
1256. Encode NumberVideoPremium
Solution70.0%Medium
Bit Manipulation, Math +1· 1 company
1276. Number of Burgers with No Waste of IngredientsVideo
Solution52.7%Medium
Math
1344. Angle Between Hands of a ClockVideo
Solution69.6%Medium
Math· 10 companies
1352. Product of the Last K NumbersVideo
Solution62.9%Medium
Array, Data Stream +3· 11 companies
1362. Closest DivisorsVideo
Solution64.3%Medium
Math· 1 company
1390. Four DivisorsVideo
Solution56.6%Medium
Array, Math· 6 companies
1401. Circle and Rectangle OverlappingVideo
Solution67.4%Medium
Geometry, Math· 2 companies
1414. Find the Minimum Number of Fibonacci Numbers Whose Sum Is KVideo
Solution64.9%Medium
Greedy, Math· 1 company
1432. Max Difference You Can Get From Changing an IntegerVideo
Solution48.8%Medium
Greedy, Math· 6 companies
1442. Count Triplets That Can Form Two Arrays of Equal XORVideo
Solution84.9%Medium
Array, Bit Manipulation +3· 2 companies
1447. Simplified FractionsVideo
Solution70.3%Medium
Math, Number Theory +1· 1 company
1492. The kth Factor of nVideo
Solution70.8%Medium
Math, Number Theory· 7 companies
1513. Number of Substrings With Only 1sVideo
Solution57.4%Medium
Math, String· 3 companies
1524. Number of Sub-arrays With Odd SumVideo
Solution55.7%Medium
Array, Dynamic Programming +2· 6 companies
1538. Guess the Majority in a Hidden ArrayVideoPremium
Solution68.8%Medium
Array, Interactive +1· 1 company
1551. Minimum Operations to Make Array EqualVideo
Solution82.8%Medium
Math· 2 companies
1561. Maximum Number of Coins You Can GetVideo
Solution84.9%Medium
Array, Game Theory +3· 1 company
1573. Number of Ways to Split a StringVideo
Solution34.6%Medium
Math, String· 1 company
1577. Number of Ways Where Square of Number Is Equal to Product of Two NumbersVideo
Solution43.9%Medium
Array, Hash Table +2
1621. Number of Sets of K Non-Overlapping Line SegmentsVideo
Solution69.3%Medium
Combinatorics, Dynamic Programming +1· 1 company
1628. Design an Expression Tree With Evaluate FunctionVideoPremium
Solution82.4%Medium
Array, Binary Tree +4· 1 company
1634. Add Two Polynomials Represented as Linked ListsVideoPremium
Solution61.1%Medium
Linked List, Math +1· 1 company
1641. Count Sorted Vowel StringsVideo
Solution79.2%Medium
Combinatorics, Dynamic Programming +1· 1 company
1648. Sell Diminishing-Valued Colored BallsVideo
Solution30.5%Medium
Array, Binary Search +4· 5 companies
1680. Concatenation of Consecutive Binary NumbersVideo
Solution66.6%Medium
Bit Manipulation, Math +1· 3 companies
1685. Sum of Absolute Differences in a Sorted ArrayVideo
Solution68.2%Medium
Array, Math +1· 4 companies
1686. Stone Game VIVideo
Solution62.0%Medium
Array, Game Theory +4
1690. Stone Game VIIVideo
Solution59.4%Medium
Array, Dynamic Programming +2· 2 companies
1753. Maximum Score From Removing StonesVideo
Solution68.6%Medium
Greedy, Heap (Priority Queue) +1· 1 company
1759. Count Number of Homogenous SubstringsVideo
Solution57.6%Medium
Math, String· 2 companies
1780. Check if Number is a Sum of Powers of ThreeVideo
Solution79.4%Medium
Math· 4 companies
1806. Minimum Number of Operations to Reinitialize a PermutationVideo
Solution72.9%Medium
Array, Math +1· 1 company
1814. Count Nice Pairs in an ArrayVideo
Solution48.6%Medium
Array, Counting +2· 6 companies
1823. Find the Winner of the Circular GameVideo
Solution82.4%Medium
Array, Math +3· 12 companies
1828. Queries on Number of Points Inside a CircleVideo
Solution86.9%Medium
Array, Geometry +1· 2 companies
1860. Incremental Memory LeakVideo
Solution73.0%Medium
Math, Simulation· 1 company
Showing 101–150 of 331