Interview Prep/Companies/EPAM Systems

EPAM Systems

43 questions tracked43 with solutions

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Frequency scoreSorted highest → lowest frequency✓ Our Solution = we have a detailed walkthrough

Showing 43 of 43 questions

EasyValid Parentheses✓ Our Solution

100

StringStack

LeetCode ↗42% acc.

MediumLongest Substring Without Repeating Characters✓ Our Solution

100

Hash TableStringSliding Window

LeetCode ↗37% acc.

EasyTwo Sum✓ Our Solution

ArrayHash Table

LeetCode ↗56% acc.

MediumGroup Anagrams✓ Our Solution

ArrayHash TableStringSorting

LeetCode ↗71% acc.

MediumMinimum Operations to Make a Uni-Value Grid✓ Our Solution

ArrayMathSortingMatrix

LeetCode ↗67% acc.

MediumLongest Palindromic Substring✓ Our Solution

Two PointersStringDynamic Programming

LeetCode ↗36% acc.

EasyLongest Common Prefix✓ Our Solution

StringTrie

LeetCode ↗45% acc.

EasyValid Anagram✓ Our Solution

Hash TableStringSorting

LeetCode ↗67% acc.

EasyValid Palindrome✓ Our Solution

Two PointersString

LeetCode ↗51% acc.

EasyMerge Sorted Array✓ Our Solution

ArrayTwo PointersSorting

LeetCode ↗53% acc.

EasyBest Time to Buy and Sell Stock✓ Our Solution

ArrayDynamic Programming

LeetCode ↗55% acc.

MediumMaximum Difference Between Node and Ancestor✓ Our Solution

TreeDepth-First SearchBinary Tree

LeetCode ↗78% acc.

MediumTwo Sum II - Input Array Is Sorted✓ Our Solution

ArrayTwo PointersBinary Search

LeetCode ↗63% acc.

MediumPow(x, n)✓ Our Solution

MathRecursion

LeetCode ↗37% acc.

Medium3Sum✓ Our Solution

ArrayTwo PointersSorting

LeetCode ↗37% acc.

EasyPalindrome Number✓ Our Solution

Math

LeetCode ↗59% acc.

HardTrapping Rain Water✓ Our Solution

ArrayTwo PointersDynamic ProgrammingStack+1

LeetCode ↗65% acc.

EasyMerge Two Sorted Lists✓ Our Solution

Linked ListRecursion

LeetCode ↗67% acc.

EasyReverse String✓ Our Solution

Two PointersString

LeetCode ↗80% acc.

MediumReverse Linked List II✓ Our Solution

Linked List

LeetCode ↗50% acc.

MediumRotate Array✓ Our Solution

ArrayMathTwo Pointers

LeetCode ↗43% acc.

HardFirst Missing Positive✓ Our Solution

ArrayHash Table

LeetCode ↗41% acc.

MediumTop K Frequent Elements✓ Our Solution

ArrayHash TableDivide and ConquerSorting+4

LeetCode ↗65% acc.

EasyFirst Unique Character in a String✓ Our Solution

Hash TableStringQueueCounting

LeetCode ↗64% acc.

EasyRunning Sum of 1d Array✓ Our Solution

ArrayPrefix Sum

LeetCode ↗87% acc.

MediumMerge Intervals✓ Our Solution

ArraySorting

LeetCode ↗49% acc.

EasyDuplicate Emails✓ Our Solution

Database

LeetCode ↗72% acc.

MediumString Compression✓ Our Solution

Two PointersString

LeetCode ↗58% acc.

EasyBinary Search✓ Our Solution

ArrayBinary Search

LeetCode ↗60% acc.

MediumHouse Robber✓ Our Solution

ArrayDynamic Programming

LeetCode ↗52% acc.

MediumLongest Consecutive Sequence✓ Our Solution

ArrayHash TableUnion Find

LeetCode ↗47% acc.

MediumReverse Integer✓ Our Solution

Math

LeetCode ↗30% acc.

MediumKth Largest Element in an Array✓ Our Solution

ArrayDivide and ConquerSortingHeap (Priority Queue)+1

LeetCode ↗68% acc.

MediumPartition Equal Subset Sum✓ Our Solution

ArrayDynamic Programming

LeetCode ↗48% acc.

MediumManagers with at Least 5 Direct Reports✓ Our Solution

Database

LeetCode ↗49% acc.

MediumAdd Two Numbers✓ Our Solution

Linked ListMathRecursion

LeetCode ↗46% acc.

MediumCoin Change✓ Our Solution

ArrayDynamic ProgrammingBreadth-First Search

LeetCode ↗46% acc.

MediumUgly Number II✓ Our Solution

Hash TableMathDynamic ProgrammingHeap (Priority Queue)

LeetCode ↗49% acc.

EasyTo Be Or Not To Be✓ Our Solution

LeetCode ↗63% acc.

MediumAsteroid Collision✓ Our Solution

ArrayStackSimulation

LeetCode ↗46% acc.

EasyIsomorphic Strings✓ Our Solution

Hash TableString

LeetCode ↗47% acc.

EasyLinked List Cycle✓ Our Solution

Hash TableLinked ListTwo Pointers

LeetCode ↗53% acc.

MediumSearch in Rotated Sorted Array✓ Our Solution

ArrayBinary Search

LeetCode ↗43% acc.