Hrishikesh Kelkar

SnackDown 2021 - Online Qualifiers

Lucky Number

October Lunchtime 2021 Division 3

Alternating Work Days, Exactly N plus 1 Values, Problem Category

SnackDown 2021 - Online Round 1A

Round Robin Ranks , Dance Moves, Min Max LCM

SnackDown 2021 - Online Round 1B

Queens Placement , Largest Laddu, Help Nishant

CodeChef Starters 17 Division 3 (Rated)

GCD of Prefixes, Chef on Vacation, New Piece

FizzBuzz Division 2 (Rated)

Magical Planks, Substring Minimum Function, Can_Reach

CodeChef Starters 21 Division 3 (Rated)

Devendra and Water Sports, Akash and Grid, Covid and Theatre Tickets

CodeChef Starters 22 Division 2 (Rated)

An Interesting Sequence

Exun 2021-22 Division 3 (Rated)

Vishesh and his Popcorn Combo, Sarthak and his Magic Grid, Vedant and his Hidden Array

CodeChef Starters 24 Division 3 (Rated)

Avoid Contact, Badminton Serves, EVM Hacking

CodeChef Starters 25 Division 3 (Rated)

Points and Lines, Fit in Data Type, Chef and His Fruit Stand

CodeChef Starters 26 Division 3 (Rated)

Careless Chef, Count the Notebooks, Hostel Room, Control the Pollution

February Lunchtime 2022 Division 3

Four Equidistant Points on a Grid, Good Program, Parallel Processing, Watching Movies at 2x

CodeChef Starters 29 Division 2 (Rated)

String protocol, Plusle and Minun on Array

CodeChef Starters 30 Division 3 (Rated)

Gift Shop and Coupon, Chef and Water Bottles, Swapping Chefs Way, Balanced Reversals

CodeChef Starters 31 Division 3 (Rated)

XOR and AND, Alternating String, Sign Moves, The Unchanging OR, Group Assignment

CodeChef Starters 32 Division 3 (Rated)

Binary String Cost, Finding Shoes

CodeChef Starters 34 Division 3 (Rated)

Binary Mismatch, Average Array, Is the Score Consistent, Good Quality Bulbs, Positive Products

Starters 35 Division 2 (Rated)

Dark Light

Starters 36 Division 3 (Rated)

Presents for Cheffina, Chef and Bird farm

Starters 37 Division 3 (Rated)

Beat the Average, Laptop Recommendation , Infernos, Maximum OR Minimum

Starters 38 Division 3 (Rated)

Dominant Army, Circular Track

Starters 39 Division 3 (Rated)

Compress the Video, Closest Vowels, Recent contest problems, A or B

Starters 41 Division 3 (Rated)

Equal Integers, Path Parity, Determine the Winner

June Cook-Off 2022 Division 3 (Rated)

First and Last

Starters 42 Division 3 (Rated)

Minimum or Maximum, Divisible by 3, How Many Maximums, Minimum number of Flips

Starters 44 Division 3 (Rated)

Dense Bracket Sequence, The Attack of Knight

Starters 43 Division 3 (Rated)

The Optimal Pairs, DNA Storage, Distinct Palindrome, Joining Date

Starters 46 Division 3 (Rated)

Sort the String, MATH1 Enrolment, Group Assignment, Army Training

Starters 47 Division 3 (Rated)

Similar Heights, Construct N, End Sorted, Minimum Coins

Starters 48 Division 3 (Rated)

Buy Lamps, Fill The Grid, Make Palindrome 2

Starters 49 Division 3 (Rated)

N Buttons 1 Bulb, Split The String, High Frequency, Valid Minimum

Starters 50 Division 3 (Rated)

Permutation GCD, Nearest Court, Average Permutation

Starters 51 Division 3 (Rated)

Split N, Copy and Paste, Different Medians, TV Discount, Dominant Element

August Lunchtime 2022 Division 2 (Rated)

Easy Permutation, Array Equality

Starters 53 Division 2 (Rated)

Make A and B equal, Queen Blocks

Starters 55 Division 2 (Rated)

Balls and Boxes, Mean and Median

Starters 56 Division 3 (Rated)

Nearest Exit, Far Away

Starters 60 Division 3 (Rated)

Distinct Numbers, Yet Another Palindrome Problem, Paper Cutting, Palindrome Flipping, Card Removal

Starters 61 Division 3 (Rated)

Minimise LCS, Different Consecutive Characters , Subarray Removal, Odd Sum Pair

Starters 63 Division 3 (Rated)

One-XOR Deletions, Make Length 1, Avoid Squares Please

Starters 64 Division 2 (Rated)

Luigi and Uniformity, Range Assign, Number of Distinct Elements Minimize, Distinct Neighbours

Starters 65 Division 2 (Rated)

Nahaane Jaa, Candies

Starters 66 Division 2 (Rated)

Good Binary Strings, Palindrome by Splitting, Just Like Mob!

Starters 67 Division 2 (Rated)

Maximum Angriness, Expensive Steps , Counting Problem

Starters 68 Division 2 (Rated)

Boring String, XOR Product, Expense List, Make Money

Starters 69 Division 2 (Rated)

Akash and Dinner, Distinct Sequence

Starters 70 Division 2 (Rated)

Minimum distance between 1s, Prime Reversal, Frequency Array Retrieval

Starters 71 Division 2 (Rated)

Pet Store, Flip the Prefix

Starters 72 Division 2 (Rated)

N Triplets

Starters 73 Division 2 (Rated)

Find an integer, Consecutive Xor, Append for OR

Starters 74 Division 2 (Rated)

Lcm hates Gcd, Odd Even Binary String

February Cook-Off 2023 Division 2 (Rated)

Take Not Less, Permutation and Modulus, Minimum Beauty

Starters 77 Division 2 (Rated)

Concat Palindrome, Three Numbers

Starters 104 Division 2 (Rated)

GCD and LCM

August Long 2023 Division 2 (Unrated)

Codechef Copy, All New CodeChef, Maximum Deliciousness, I Can Use Both Hands!

September Short 2023 Division 2 (Unrated)

Lucky Seven, Slow Start, Mixing Extraordinaire

Starters 112 Division 3 (Rated)

Cursed Indices, Fair Share Settlement, 3 Logicians Walk into a Bar, Permutation Construction, Max Nutrition

Starters 117 Division 2 (Rated)

Not Prime Permutation, Spell Shortening

Starters 163 (Rated)

Minimum Types

Starters 170 (Rated)

Crazy Jumping Frogs, Monster Monster, Minimum Bottles

Starters 172 (Rated)

Transform String, Small Palindrome

Starters 173 (Rated upto < 2700)

Cool Subsequences, Time Penalty

Starters 177 (Rated)

Counting 01 and 10, Ordered Distances, Triangle Checking, 2 Boxes

Problems Authored (6)

Problems Tested (0)

No Contribution

Editorials Contributed (0)

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