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30-Days-6-Companies

30 Days 6 Companies Challenge Question's Doc


Index

  • ⬜ : Unsolved
  • ✔️ : Solved

Microsoft

microsoft logo

Day 01 - 05

Day 1

Problem No. Check Problem Solution
1 ✔️ Evaluate Reverse Polish Notation Solution
2 ✔️ Combination Sum III Solution
3 ✔️ Bulls and Cows Solution

Day 2

Problem No. Check Problem Solution
1 ✔️ Rotate Function Solution
2 ✔️ Largest Divisible Subset Solution
3 ✔️ Perfect Rectangle Solution

Day 3

Problem No. Check Problem Solution
1 ✔️ Course Schedule Solution
2 ✔️ Most Profitable Path in a Tree Solution
3 ✔️ Number of Pairs Satisfying Inequality Solution

Day 4

Problem No. Check Problem Solution
1 ✔️ Shortest Unsorted Continuous Subarray Solution
2 ✔️ Number Of Ways To Arrive At Destination Solution
3 ✔️ Longest Happy Prefix Solution

Day 5

Difficulty Tag

Problem No. Check Problem Solution
1 ✔️ Airplane Seat Assignment Probability Solution
2 ✔️ Minimum Deletions to Make Array Divisible Solution
3 ✔️ Number of Substrings Containing All Three Characters Solution

Goldman Sachs

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Day 06 - 10

Day 6

Problem No. Check Problem Solution
1 ✔️ Max Points on a Line Solution
2 ✔️ Valid Square Solution
3 ✔️ Factor Trailing Zeroes Solution

Day 7

Problem No. Check Problem Solution
1 ✔️ Number Of Boomerangs Solution
2 ✔️ Split Array Into Consecutive Subsequence Solution
3 ✔️ Minimum Consecutive Cards To Pick Up Solution

Day 8

Problem No. Check Problem Solution
1 ✔️ Count Good Triplets in an Array Solution
2 ✔️ Maximum Points in an Archery Competition Solution
3 ✔️ IPO Solution

Day 9

Problem No. Check Problem Solution
1 ✔️ Number of People Aware of a Secret Solution
2 ✔️ Invalid Transactions Solution
3 ✔️ All Elements in Two Binary Search Trees Solution

Day 10

Problem No. Check Problem Solution
1 Get Biggest Three Rhombus Sums in a Grid Solution
2 Count Nice Pairs in an Array Solution
3 Maximum Good People Based on Statements Solution

Adobe

microsoft logo

Day 11 - 15

Day 11

Problem No. Check Problem Solution
1 Fraction to Recurring Decimal Solution
2 Increasing Triplet Subsequence Solution
3 K-th Smallest in Lexicographical Order Solution

Day 12

Problem No. Check Problem Solution
1 Magical String Solution
2 Non-negative Integers without Consecutive Ones Solution
3 Knight Probability in Chessboard Solution

Day 13

Problem No. Check Problem Solution
1 Number of Matching Subsequences Solution
2 Minimum Genetic Mutation Solution
3 Count Nodes Equal to Average of Subtree Solution

Day 14

Problem No. Check Problem Solution
1 Maximum Matrix Sum Solution
2 Stock Price Fluctuation Solution
3 Shortest Unsorted Continuous Subarray Solution

Day 15

Problem No. Check Problem Solution
1 Dungeon Game Solution
2 Number of people aware of a secret Solution
3 Query Kth Smallest Trimmed Numbder Solution

Flipkart

microsoft logo

Day 16 - 20

Day 16

Problem No. Check Problem Solution
1 Partition to K Equal Sum Subsets Solution
2 Shopping Offers Solution
3 Remove Zero Sum Consecutive Nodes from Linked List Solution

Day 17

Problem No. Check Problem Solution
1 Find the Winner of the Circular Game Solution
2 Find in Mountain Array Solution
3 Number of Ways to Separate Numbers Solution

Day 18

Problem No. Check Problem Solution
1 City With the Smallest Number of Neighbors at a Threshold Distance Solution
2 Closest Primes in Range Solution
3 Top K frequent Words Solution

Day 19

Problem No. Check Problem Solution
1 Distant Barcodes Solution
2 New 21 Game Solution
3 Check If a String Contains All Binary Codes of Size K Solution

Day 20

Problem No. Check Problem Solution
1 Maximum Area of Island Solution
2 Customer Sort String Solution
3 House Robber III Solution

Google

google logo

Day 21 - 25

Day 21

Problem No. Check Problem Solution
1 Maximum Consecutive Floors Without Special Floors Solution
2 Maximum Good People Based on Statements Solution
3 Sort an Array Solution

Day 22

Problem No. Check Problem Solution
1 Fruit Into Baskets Solution
2 Number of Closed Islands Solution
3 Distinct Echo Substrings Solution

Day 23

Problem No. Check Problem Solution
1 K Divisible Elements Subarrays Solution
2 Random Pick with Weight Solution
3 Maximum Number of Coins You Can Get Solution

Day 24

Problem No. Check Problem Solution
1 Network Delay Time Solution
2 Matrix Block Sum Solution
3 Restore IP Addresses Solution

Day 25

Problem No. Check Problem Solution
1 Swim in Rising Water Solution
2 Strictly Palindromic Number Solution
3 Maximum Compatibility Score Sum Solution

Amazon

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Day 26 - 30

Day 26

Problem No. Check Problem Solution
1 Shuffle an Array Solution
2 Cheapest Flights Within K Stops Solution
3 Split a String Into The Max Number Of Unique Substrings Solution

Day 27

Problem No. Check Problem Solution
1 Tweet Counts Per Frequency Solution
2 Maximum Sum of an Hourglass Solution
3 Maximum Subarray Min-Product Solution

Day 28

Problem No. Check Problem Solution
1 Dota2 Senate Solution
2 Destroying Asteroids Solution
3 Most Popular Video Creator Solution

Day 29

Problem No. Check Problem Solution
1 Number of matching Subsequences Solution
2 Number of Ways to Reach a Position After Exactly k Steps Solution
3 Maximum Length of Repeated Subarray Solution

Day 30

Problem No. Check Problem Solution
1 Top K Frequent Words Solution
2 Last Moment Before All Ants Fall Out of a Plank Solution
3 Generate Random Point in a Circle Solution