American Express

28 questions

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

8 Easy 14 Med 6 Hard

Timeframe:

Showing 28 questions

#1Two SumEasyarrayNeetCode

100% Freq

#2850Minimum Moves to Spread Stones Over GridMediumarrayWalkCCC

100% Freq

3m

#4016Maximum Area of Two Non-Overlapping Square SubmatricesMediumarrayWalkCCC

100% Freq

3m

#242Valid AnagramEasyhash tableNeetCode

93% Freq

#1647Minimum Deletions to Make Character Frequencies UniqueMediumhash tableWalkCCC

91% Freq

#347Top K Frequent ElementsMediumarrayNeetCode

90% Freq

3m

#56Merge IntervalsMediumarrayNeetCode

89% Freq

6m

#1201Ugly Number IIIMediummathWalkCCC

88% Freq

#1224Maximum Equal FrequencyHardarrayWalkCCC

88% Freq

#3013Divide an Array Into Subarrays With Minimum Cost IIHardarrayWalkCCC

88% Freq

#1521Find a Value of a Mysterious Function Closest to TargetHardarrayWalkCCC

85% Freq

#1775Equal Sum Arrays With Minimum Number of OperationsMediumarrayWalkCCC

85% Freq

#2202Maximize the Topmost Element After K MovesMediumarrayWalkCCC

85% Freq

#2278Percentage of Letter in StringEasystringWalkCCC

85% Freq

#2317Maximum XOR After OperationsMediumarrayWalkCCC

85% Freq

#3010Divide an Array Into Subarrays With Minimum Cost IEasyarrayWalkCCC

85% Freq

#3Longest Substring Without Repeating CharactersMediumhash tableNeetCode

83% Freq

#121Best Time to Buy and Sell StockEasyarrayNeetCode

83% Freq

#1304Find N Unique Integers Sum up to ZeroEasyarrayWalkCCC

75% Freq

#14Longest Common PrefixEasyarrayNeetCode

65% Freq

#23Merge k Sorted ListsHardlinked listNeetCode

65% Freq

#46PermutationsMediumarrayNeetCode

65% Freq

#142Linked List Cycle IIMediumhash tableNeetCode

65% Freq

#189Rotate ArrayMediumarrayNeetCode

65% Freq

#205Isomorphic StringsEasyhash tableWalkCCC

65% Freq

#239Sliding Window MaximumHardarrayNeetCode

53% Freq

#1250Check If It Is a Good ArrayHardarrayWalkCCC

53% Freq

#1277Count Square Submatrices with All OnesMediumarrayWalkCCC

53% Freq