PrepCode

IBM

166 questions

Interview frequency breakdown: 30-day, 3-month, 6-month & all-time

51 Easy 98 Med 17 Hard
Timeframe:
Showing 166 questions
#412Fizz BuzzEasymathWalkCCC
100% Freq
6m
#3820Pythagorean Distance Nodes in a TreeMediumtreeWalkCCC
100% Freq
30d
#56Merge IntervalsMediumarrayNeetCode
95% Freq
3m
#12Integer to RomanMediumhash tableWalkCCC
93% Freq
3m
#647Palindromic SubstringsMediumtwo pointersNeetCode
93% Freq
30d
#740Delete and EarnMediumarrayWalkCCC
93% Freq
30d
#1648Sell Diminishing-Valued Colored BallsMediumarrayWalkCCC
88% Freq
3m
#3Longest Substring Without Repeating CharactersMediumhash tableNeetCode
88% Freq
6m
#20Valid ParenthesesEasystringNeetCode
88% Freq
6m
#121Best Time to Buy and Sell StockEasyarrayNeetCode
87% Freq
6m
#1Two SumEasyarrayNeetCode
86% Freq
#13Roman to IntegerEasyhash tableNeetCode
85% Freq
6m
#1797Design Authentication ManagerMediumhash tableWalkCCC
83% Freq
30d
#5Longest Palindromic SubstringMediumtwo pointersNeetCode
82% Freq
30d
#324Wiggle Sort IIMediumarrayWalkCCC
82% Freq
30d
#2551Put Marbles in BagsHardarrayWalkCCC
82% Freq
30d
#2580Count Ways to Group Overlapping RangesMediumarrayWalkCCC
81% Freq
#2645Minimum Additions to Make Valid StringMediumstringWalkCCC
76% Freq
3m
#560Subarray Sum Equals KMediumarrayNeetCode
76% Freq
#11Container With Most WaterMediumarrayNeetCode
74% Freq
6m
#242Valid AnagramEasyhash tableNeetCode
74% Freq
3m
#845Longest Mountain in ArrayMediumarrayWalkCCC
74% Freq
#3402Minimum Operations to Make Columns Strictly IncreasingEasyarrayWalkCCC
74% Freq
#3159Find Occurrences of an Element in an ArrayMediumarrayWalkCCC
71% Freq
#49Group AnagramsMediumarrayNeetCode
69% Freq
#2545Sort the Students by Their Kth ScoreMediumarrayWalkCCC
69% Freq
#3175Find The First Player to win K Games in a RowMediumarrayWalkCCC
69% Freq
#754Reach a NumberMediummathWalkCCC
69% Freq
#1200Minimum Absolute DifferenceEasyarrayWalkCCC
69% Freq
#2559Count Vowel Strings in RangesMediumarrayWalkCCC
69% Freq
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