SAP

39 questions tracked38 with solutions

🔍

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

Showing 39 of 39 questions

EasyTwo Sum✓ Our Solution

100

ArrayHash Table

LeetCode ↗56% acc.

HardCount Increasing Quadruplets✓ Our Solution

ArrayDynamic ProgrammingBinary Indexed TreeEnumeration+1

LeetCode ↗34% acc.

HardMaximum Students Taking Exam✓ Our Solution

ArrayDynamic ProgrammingBit ManipulationMatrix+1

LeetCode ↗52% acc.

MediumContainer With Most Water✓ Our Solution

ArrayTwo PointersGreedy

LeetCode ↗58% acc.

HardCount the Number of Infection Sequences✓ Our Solution

ArrayMathCombinatorics

LeetCode ↗33% acc.

HardMaximum Path Quality of a Graph✓ Our Solution

ArrayBacktrackingGraph

LeetCode ↗60% acc.

MediumMovie Rating✓ Our Solution

Database

LeetCode ↗42% acc.

EasyLongest Common Prefix✓ Our Solution

StringTrie

LeetCode ↗45% acc.

EasyValid Parentheses✓ Our Solution

StringStack

LeetCode ↗42% acc.

MediumNumber of Islands✓ Our Solution

ArrayDepth-First SearchBreadth-First SearchUnion Find+1

LeetCode ↗62% acc.

EasyValid Palindrome✓ Our Solution

Two PointersString

LeetCode ↗51% acc.

MediumMaximal Square✓ Our Solution

ArrayDynamic ProgrammingMatrix

LeetCode ↗49% acc.

HardTrapping Rain Water✓ Our Solution

ArrayTwo PointersDynamic ProgrammingStack+1

LeetCode ↗65% acc.

EasyReverse Linked List✓ Our Solution

Linked ListRecursion

LeetCode ↗79% acc.

MediumMaximum Subarray✓ Our Solution

ArrayDivide and ConquerDynamic Programming

LeetCode ↗52% acc.

MediumLongest Palindromic Substring✓ Our Solution

Two PointersStringDynamic Programming

LeetCode ↗36% acc.

MediumLeftmost Column with at Least a One

ArrayBinary SearchMatrixInteractive

LeetCode ↗55% acc.

EasyRotate String✓ Our Solution

StringString Matching

LeetCode ↗64% acc.

MediumDaily Temperatures✓ Our Solution

ArrayStackMonotonic Stack

LeetCode ↗67% acc.

MediumKth Largest Element in an Array✓ Our Solution

ArrayDivide and ConquerSortingHeap (Priority Queue)+1

LeetCode ↗68% acc.

MediumMaximum Number of Weeks for Which You Can Work✓ Our Solution

ArrayGreedy

LeetCode ↗41% acc.

MediumLongest Consecutive Sequence✓ Our Solution

ArrayHash TableUnion Find

LeetCode ↗47% acc.

EasyBest Time to Buy and Sell Stock✓ Our Solution

ArrayDynamic Programming

LeetCode ↗55% acc.

EasyRemove Duplicates from Sorted Array✓ Our Solution

ArrayTwo Pointers

LeetCode ↗60% acc.

MediumGroup Anagrams✓ Our Solution

ArrayHash TableStringSorting

LeetCode ↗71% acc.

MediumMax Consecutive Ones III✓ Our Solution

ArrayBinary SearchSliding WindowPrefix Sum

LeetCode ↗66% acc.

MediumCoin Change✓ Our Solution

ArrayDynamic ProgrammingBreadth-First Search

LeetCode ↗46% acc.

MediumBinary Search Tree to Greater Sum Tree✓ Our Solution

TreeDepth-First SearchBinary Search TreeBinary Tree

LeetCode ↗88% acc.

MediumLRU Cache✓ Our Solution

Hash TableLinked ListDesignDoubly-Linked List

LeetCode ↗45% acc.

MediumWord Break✓ Our Solution

ArrayHash TableStringDynamic Programming+2

LeetCode ↗48% acc.

EasyLinked List Cycle✓ Our Solution

Hash TableLinked ListTwo Pointers

LeetCode ↗53% acc.

HardMaximum Employees to Be Invited to a Meeting✓ Our Solution

Depth-First SearchGraphTopological Sort

LeetCode ↗62% acc.

EasySqrt(x)✓ Our Solution

MathBinary Search

LeetCode ↗40% acc.

EasyValid Perfect Square✓ Our Solution

MathBinary Search

LeetCode ↗44% acc.

EasyFibonacci Number✓ Our Solution

MathDynamic ProgrammingRecursionMemoization

LeetCode ↗73% acc.

MediumMonotone Increasing Digits✓ Our Solution

MathGreedy

LeetCode ↗49% acc.

EasyMaximum Depth of Binary Tree✓ Our Solution

TreeDepth-First SearchBreadth-First SearchBinary Tree

LeetCode ↗77% acc.

EasySort Array by Increasing Frequency✓ Our Solution

ArrayHash TableSorting

LeetCode ↗80% acc.

EasyMove Zeroes✓ Our Solution

ArrayTwo Pointers

LeetCode ↗63% acc.