TCS Array Questions

116 array problems asked at TCS interviews

Easy (43)Medium (60)Hard (13)

Questions

TitleDifficulty
Two SumEasy
Majority ElementEasy
Longest Common PrefixEasy
3SumMedium
Maximum SubarrayMedium
Jump GameMedium
Sort ColorsMedium
Best Time to Buy and Sell StockEasy
Single NumberEasy
Rotate ArrayMedium
Move ZeroesEasy
Subarray Sum Equals KMedium
Bitwise ORs of SubarraysMedium
Check if Array Is Sorted and RotatedEasy
Maximum Ascending Subarray SumEasy
Container With Most WaterMedium
4SumMedium
Remove Duplicates from Sorted ArrayEasy
Trapping Rain WaterHard
Spiral MatrixMedium
Plus OneEasy
Merge Sorted ArrayEasy
Contains DuplicateEasy
Sliding Window MaximumHard
Missing NumberEasy
Minimum Operations to Exceed Threshold Value IEasy
Minimum Operations to Exceed Threshold Value IIMedium
N-QueensHard
Zigzag Grid Traversal With SkipEasy
Median of Two Sorted ArraysHard
Merge IntervalsMedium
Search in Rotated Sorted ArrayMedium
Task SchedulerMedium
3Sum ClosestMedium
Next PermutationMedium
Find First and Last Position of Element in Sorted ArrayMedium
Set Matrix ZeroesMedium
SubsetsMedium
Largest Rectangle in HistogramHard
Pascal's TriangleEasy
Best Time to Buy and Sell Stock IIMedium
Longest Consecutive SequenceMedium
Maximum Product SubarrayMedium
Largest NumberMedium
Intersection of Two ArraysEasy
K-diff Pairs in an ArrayMedium
Single Element in a Sorted ArrayMedium
Sum of Unique ElementsEasy
Sort an ArrayMedium
Find the Duplicate NumberMedium
Search Insert PositionEasy
Maximal RectangleHard
Max Consecutive OnesEasy
Partition Equal Subset SumMedium
Split Array With Same AverageHard
Count Number of Pairs With Absolute Difference KEasy
Group AnagramsMedium
Number of Good PairsEasy
Jump Game IIMedium
Contains Duplicate IIEasy
House RobberMedium
Tallest BillboardHard
Maximum Product of Three NumbersEasy
Koko Eating BananasMedium
Smallest Sufficient TeamHard
Minimum Moves to Equal Array Elements IIMedium
Maximum Average Subarray IEasy
Search in Rotated Sorted Array IIMedium
Burst BalloonsHard
Subsets IIMedium
Longest Subarray of 1's After Deleting One ElementMedium
Squares of a Sorted ArrayEasy
How Many Numbers Are Smaller Than the Current NumberEasy
Remove ElementEasy
Combination SumMedium
Remove Duplicates from Sorted Array IIMedium
Word SearchMedium
Count PrimesMedium
Toeplitz MatrixEasy
Binary SearchEasy
Peak Index in a Mountain ArrayMedium
Path with Maximum ProbabilityMedium
Sort Array by Increasing FrequencyEasy
Find Minimum Operations to Make All Elements Divisible by ThreeEasy
Unique Paths IIMedium
Find Peak ElementMedium
Majority Element IIMedium
Find the Highest AltitudeEasy
Maximum Sum of Distinct Subarrays With Length KMedium
Running Sum of 1d ArrayEasy
Minimum Cost to Make at Least One Valid Path in a GridHard
Check If Array Pairs Are Divisible by kMedium
Matrix Diagonal SumEasy
Rotate ImageMedium
Find K Closest ElementsMedium
Find All Duplicates in an ArrayMedium
Count the Number of Fair PairsMedium
Third Maximum NumberEasy
First Missing PositiveHard
Find Subsequence of Length K With the Largest SumEasy
Maximum GapMedium
Maximum Number of Events That Can Be Attended IIHard
Subarray Product Less Than KMedium
Teemo AttackingEasy
Flipping an ImageEasy
Minimum Size Subarray SumMedium
Search a 2D MatrixMedium
Next Greater Element IEasy
Assign CookiesEasy
Find Minimum in Rotated Sorted ArrayMedium
Intersection of Two Arrays IIEasy
Two Best Non-Overlapping EventsMedium
Two Sum II - Input Array Is SortedMedium
Rotting OrangesMedium
Non-overlapping IntervalsMedium
Range Sum Query - ImmutableEasy

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