Sundar K

Practice: 

Bytelandian gold coins, Enormous Input Test, Turbo Sort, Ciel and Receipt, Packaging Cupcakes, Fire Escape Routes, Number Mirror, Chef and Feedback, Chef and Remissness, Divisible Subset, Sum of Digits, Reverse The Number, Id and Ship, Valid Triangles, GCD and LCM, Chef and the stones, Chef and the Feast, Snakes and transition from Capitalism to Socialism, Pairwise union of sets, Maximum Unique Segment, Real obtuse, Modular GCD, Chef and Hamming Distance of arrays, Beautiful Array, Mighty Friend, Stingy Strings, Help Voldemort, Split Sums, Sheokand and Number, Ada King, Chef and Number Game, Easy Subsequence Selection, Mysterious Sequence, Catch the Thief, Prime Tuples, Dreams of Divisibility, Suffix Sort, Array Rotation, Special Triplets, The One On The Last Night, Equal Difference, Crossing Blocks, Remove Balance, Fake Swaps, Can You Reach The End, Queens Placement , Partition It, Sum this up, Again XOR problem, Maximum Factors Problem, Marbles, Brutal-Xors, Dalgona Treat, Optimal Sorting, Count Number of Peaks, Akash and Grid, ChefWM, And Or Union, Mean equals Median, Aujasvit and the Circle Game, The product mystery, Increase 2 consecutive characters, Max Heat, MEX on Trees, Winter, Stable Mex, Training Plans, Prime Sum, Binary Mismatch, Good Permutation, Doubled Distances, Equal After And, Xor Palindrome, Or Permutation, Split AND Sum, Construct An Array , The Lost Array, Triple Xor, KBG and GN-Theory, Similar Heights, High Frequency, Valid Minimum, Copy and Paste, XOR with smallest element, Paisa Double, Minimal Inversions, Possible or Not, Search for 404, Special Operation, NASA, Alt-Tab, Guess Game, Zero Array, Mex Array, Triplets Min, Maximize Ones, Two Piles, Split and ADD, Snakes on a Grid, Playing with OR, Guess the winner!, Reach Anywhere, Reaper Reaps, Spooky Sequences, Fair Distribution

DSA Learning Series - Contest 1: 

Factorial, Coin Flip, Reverse The Number

December Challenge 2020 Division 2: 

Even Pair Sum, Vaccine Production, Vaccine Distribution

December Cook-Off 2020 Division 2: 

Minimum Attendance Requirement

DSA Learning Series - Contest 7: 

Count K-Primes

January Challenge 2021 Division 3: 

Chef and Division 3

January Lunchtime 2021 Division 3 (Unrated): 

Ashishgup and Interviews, Pair Me, Even Differences, Even Sum

February Challenge 2021 Division 3: 

Maximise Function, Highest Divisor

Programmers Army Monthly Contest - Bit Manipulation: 

Magical Game, Chef Need Help

International Coding Marathon 2021 Division 3 (Rated): 

Suffix Sort, Lucky Boundaries

April Cook-Off 2021 Division 2: 

Chocolate Monger

April Lunchtime 2021 Division 2: 

Chef in Heaven , Bench Press

SPYBITS IIT BHU Division 2 (Rated): 

B - Valentine Couples, A - Save Water Save Life

May Cook-Off 2021 Division 3: 

The Last Problem, Marathon

May Challenge 2021 Division 3 (Rated): 

Xor Equality, Golf, Solubility

June Challenge 2021 Division 3 (Rated): 

Shortest Route, Bitwise Tuples, Bella ciao, Summer Heat

July Challenge 2021 Division 2 (Unrated): 

XxOoRr

August Challenge 2021 Division 2 (Unrated): 

Chef and Bulb Invention, Problem Difficulties, Olympics Ranking

August Lunchtime 2021 Division 2: 

K-th Maximum

CodeChef Starters 10 Division 3 (Rated): 

Hardest Problem Bet, Odd Repeat, Maximise the Subsequence Sum, Remove One Element

AlgoManiac - Code For Future Division 2 (Unrated): 

Say No To Drugs, The Old Saint And Three Questions, Meet In The Median

September Challenge 2021 Division 2 (Unrated): 

XOR Equal, Shuffling Parities, Airline Restrictions, Travel Pass

SnackDown 2021 - Online Qualifiers: 

Lucky Number, Maximum Number Of Distinct Elements

CodeChef Starters 11 Division 2 (Rated): 

The Grid Fill Problem, Obtain the Sum

CodeChef Starters 13 Division 2 (Rated): 

Add and Divide, Chef in Vaccination Queue, Maximum Light Up, Magical Doors

CodeChef Starters 14 Division 2 (Unrated): 

Odd GCD

October Challenge 2021 Division 2 (Unrated): 

Longest AND Subarray, Digit Removal, MEX-OR

September Lunchtime 2021 Division 2: 

Prefix Sums, Alice vs Bob Faceoff, Yet another SOD problem

CodeChef Starters 15 Division 2 (Rated): 

Division , Minimise the Size, Nice Pairs

CodeChef Starters 16 Division 2 (Unrated): 

Professor And Directions

October Cook-Off 2021 Division 2: 

Odd Sum, 01 Subsequence

October Lunchtime 2021 Division 2: 

Median Rearrangement, Chef and Water Car, Exactly N plus 1 Values

SnackDown 2021 - Online Round 1A: 

Round Robin Ranks , Dance Moves, Equal Beauty, Min Max LCM

November Challenge 2021 Division 2 (Unrated): 

Weird Palindrome Making, Hill Sequence, Equal Coins

Code Senso Division 2 (Rated): 

Maximum Damage, Games of Wasseypur

CodeChef Starters 17 Division 2 (Rated): 

Binary Inversion, GCD of Prefixes, New Piece

CodeChef Starters 19 Division 2 (Rated): 

P Equal To NP, Indivisible Permutation, The Alternating Sum, Distinct Elements

C.O.D.E.R.S Division 2 (Rated): 

The One On The Last Night, The One with All the Candy, The One with Ross Wedding

FizzBuzz Division 2 (Rated): 

Magical Planks, Clean The Sequence, Substring Minimum Function, Can_Reach

November Lunchtime 2021 Division 2: 

Expected Weight, Subarray Jumps, Strange Minimization, Rapid Re-Orderings

December Challenge 2021 Division 2 (Unrated): 

Valleys and Hills, List of Lists

December Cook-Off 2021 Division 2: 

Median Minimization, Musical Chairs

December Lunchtime 2021 Division 2: 

Maximum Trio, Optimal Sorting, Romantic Reversals

CodeChef Starters 22 Division 2 (Rated): 

An Interesting Sequence, Even Subset Xor, Equal LIS

January Long 2022 - I, Division 2 (Unrated): 

Keplers Law, Prime in a binary string, Retrieve back the Array, Covid Spread

January Long 2022 - II, Division 2 (Unrated): 

Crying Colours

Getting Started: 

Enormous Input Test, Number Mirror, Add Two Numbers, Find Remainder, First and Last Digit, Sum of Digits, Reverse The Number, Id and Ship, Chef And Operators

February Lunchtime 2022 Division 2: 

Four Equidistant Points on a Grid, Parallel Processing, Magnet Sort

March Long One 2022, Division 2 (Unrated): 

Akash and Function, Subarray XOR, Substring of a Substring, Exact Marks

CodeChef Starters 29 Division 2 (Rated): 

String protocol, Plusle and Minun on Array, Decomposition Reaction

CodeChef Starters 31 Division 2 (Rated): 

XOR and AND, Alternating String, Sign Moves, Mexy Array, The Unchanging OR

CodeChef Starters 32 Division 2 (Rated): 

Maximize the Minimum, Finding Shoes, Flip Sorting

April Long One 2022, Division 2 (Unrated): 

Dazzling GCD Pair

April Lunchtime 2022 Division 2(Rated): 

Buckets Full of Candies, Pair Pain, Secret Machine Mania

Starters 38 Division 2 (Rated): 

A Bit Easy, Good Pairs, Average Gift, Anti-knapsack, Circular Track

Starters 42 Division 1 (Unrated): 

Minimum or Maximum

July Long Two 2022 Division 1 (Unrated): 

Concat Sort

August Long 2022 Division 1 (Unrated): 

Angled Flip, XOR with smallest element, Hello Equation

February Cook-Off 2023 Division 2 (Rated): 

Take Not Less, Alice Potter And Dumbledore Army, Permutation and Modulus, Minimum Beauty

Starters 98 Division 1 (Rated till 6 Stars): 

3-Blast Palindrome, Happiness , Ball Distribution, Sub-Array With Maximum Sum

SQL Intermediate: 

Data Transformation, Non-Correlated Subqueries, Problem - Non-Correlated Subqueries, Correlated Subqueries, Problem - Correlated Subqueries, Union All, Intersect, Except, Conditional Aggregates Introduction, Null, Case - When

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