LeetCode The Hard Way

Accenture

101 problems

ProblemDifficultyFrequency Topics
String to Integer (atoi)Medium43.5%
String
1312. Minimum Insertion Steps to Make a String PalindromeHard43.5%
StringDynamic Programming
136. Single NumberEasy43.5%
ArrayBit Manipulation
344. Reverse StringEasy43.5%
Two PointersString
2493. Divide Nodes Into the Maximum Number of GroupsHard43.5%
Depth-First SearchBreadth-First SearchUnion-FindGraph Theory
2215. Find the Difference of Two ArraysEasy43.5%
ArrayHash Table
Best Time to Buy and Sell Stock IIMedium43.5%
ArrayDynamic ProgrammingGreedy
402. Remove K DigitsMedium43.5%
StringStackGreedyMonotonic Stack
525. Contiguous ArrayMedium43.5%
ArrayHash TablePrefix Sum
Longest Valid ParenthesesHard43.5%
StringDynamic ProgrammingStackBracket Sequences
907. Sum of Subarray MinimumsMedium43.5%
ArrayDynamic ProgrammingStackMonotonic Stack
79. Word SearchMedium43.5%
ArrayStringBacktrackingDepth-First SearchMatrix
Rank ScoresMedium43.5%
Database
Rotate FunctionMedium43.5%
ArrayMathDynamic Programming
977. Squares of a Sorted ArrayEasy43.5%
ArrayTwo PointersSorting
199. Binary Tree Right Side ViewMedium43.5%
TreeDepth-First SearchBreadth-First SearchBinary Tree
21. Merge Two Sorted ListsEasy43.5%
Linked ListRecursion
Maximum SwapMedium43.5%
MathGreedy
Article Views IEasy43.5%
Database
2011. Final Value of Variable After Performing OperationsEasy43.5%
ArrayStringSimulation
Excel Sheet Column TitleEasy43.5%
MathString
Majority Element IIMedium43.5%
ArrayHash TableSortingCountingBoyer–Moore Majority Vote Algorithm
10. Regular Expression MatchingHard43.5%
StringDynamic ProgrammingRecursion
724. Find Pivot IndexEasy43.5%
ArrayPrefix Sum
49. Group AnagramsMedium43.5%
ArrayHash TableStringSorting
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