1Collecting ChocolatesMediumArrayEnumeration
Solve → 2Longest Common PrefixEasyArrayStringTrie
Solve → 3Find the Maximum Sum of Node ValuesHardArrayDynamic ProgrammingGreedy
Solve → 4Apply Operations to Maximize Frequency ScoreHardArrayBinary SearchSliding Window
Solve → 5Best Time to Buy and Sell StockEasyArrayDynamic Programming
Solve → 7Pour Water Between Buckets to Make Water Levels EqualMediumArrayBinary Search
Solve → 8Minimum Operations to Collect ElementsEasyArrayHash TableBit Manipulation
Solve → 9The Time When the Network Becomes IdleMediumArrayBreadth-First SearchGraph Theory
Solve → 10Minimum Operations to Make the Array IncreasingEasyArrayGreedy
Solve → 11Maximum Running Time of N ComputersHardArrayBinary SearchGreedy
Solve → 12Maximum Coins Heroes Can CollectMediumArrayTwo PointersBinary Search
Solve → 13Pascal's TriangleEasyArrayDynamic Programming
Solve → 14Squares of a Sorted ArrayEasyArrayTwo PointersSorting
Solve → 15Count Increasing QuadrupletsHardArrayDynamic ProgrammingBinary Indexed Tree
Solve → 16Coin ChangeMediumArrayDynamic ProgrammingBreadth-First Search
Solve → 17Split Array With Same AverageHardArrayHash TableMath
Solve → 18Apply Operations to Maximize Frequency ScoreHardArrayBinary SearchSliding Window
Solve → 19Find the Maximum Sum of Node ValuesHardArrayDynamic ProgrammingGreedy
Solve → 20Maximum Coins Heroes Can CollectMediumArrayTwo PointersBinary Search
Solve → 21The Time When the Network Becomes IdleMediumArrayBreadth-First SearchGraph Theory
Solve → 22Maximum Running Time of N ComputersHardArrayBinary SearchGreedy
Solve → 23Pour Water Between Buckets to Make Water Levels EqualMediumArrayBinary Search
Solve → 24Minimum Operations to Make the Array IncreasingEasyArrayGreedy
Solve → 25Minimum Operations to Collect ElementsEasyArrayHash TableBit Manipulation
Solve → 26Collecting ChocolatesMediumArrayEnumeration
Solve → 27Longest Common PrefixEasyArrayStringTrie
Solve → 28Two SumEasyArrayHash Table
Solve → 29Best Time to Buy and Sell StockEasyArrayDynamic Programming
Solve → 30Squares of a Sorted ArrayEasyArrayTwo PointersSorting
Solve → 31Pascal's TriangleEasyArrayDynamic Programming
Solve → 32Split Array With Same AverageHardArrayHash TableMath
Solve → 33Count Increasing QuadrupletsHardArrayDynamic ProgrammingBinary Indexed Tree
Solve → 34Coin ChangeMediumArrayDynamic ProgrammingBreadth-First Search
Solve →