Sourav Biswas

December Lunchtime 2019 Division 2

Stupid Machine, Check Algorithm

January Lunchtime 2020 Division 2

Bob and His Friends, Chef and Street Food

April Lunchtime 2020 Division 2

Another Birthday Present!, Chef in Fantasy League

June Cook-Off 2020 Division 2

Cache Hits, Max Mex

January Lunchtime 2021 Division 2 (Unrated)

Good Grid, Dreams of Divisibility, Binary Subsequence, Even Differences, Even Sum

Code Ensemble (Rated for Division 2)

Priya and AND, Help Martha

UWCOI 2021 (Rated for all)

Organisation, Array Swaps, Hidden Numbers

February Lunchtime 2021 Division 2

Average Sorting, Palpal Strings, Coprime Range

September Challenge 2021 Division 2 (Unrated)

XOR Equal, Shuffling Parities, Airline Restrictions, Travel Pass

September Cook-Off 2021 Division 2

Zebra Crossing, Fake Swaps, Adjacency Hatred

SnackDown 2021 - Online Qualifiers

Lucky Number, Maximum Number Of Distinct Elements

CodeChef Starters 11 Division 2 (Rated)

Positive Spewing, The Grid Fill Problem, Obtain the Sum

CodeChef Starters 13 Division 2 (Rated)

Add and Divide, Chef in Vaccination Queue, Maximum Light Up, Make that Array!, Magical Doors

CodeChef Starters 14 Division 1 (Unrated)

Odd GCD

September Lunchtime 2021 Division 2

Interesting Representation, Balanced and Unique Arrays, Alice vs Bob Faceoff, Yet another SOD problem

SnackDown 2021 - Online Round 1A

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

SnackDown 2021 - Online Pre-Elimination

Non-Decreasing Subsequence of size K, Product Pain

SnackDown 2021 - Online Elimination Round (Rated for all)

Sorting Segments

CodeChef Starters 17 Division 1 (Unrated)

Binary Inversion, GCD of Prefixes, String Game, Partition It

December Lunchtime 2021 Division 2

Maximum Trio, Romantic Reversals

Code Drive Division 2 (Rated)

Again XOR problem, Maximum Factors Problem, Count Number of Peaks

Exun 2021-22 Division 2 (Rated)

Sarthak and his Magic Grid, Vedant and his Hidden Array, Aujasvit and the Circle Game, Harshikaa and the Rain

CodeChef Starters 30 Division 2 (Rated)

Minimum Coloring, Gift Shop and Coupon, Balanced Reversals

CodeChef Starters 31 Division 2 (Rated)

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

March Lunchtime 2022 Division 2

Sad Splits, Adjacency Love

April Cook-Off 2022 Division 2

Sticks and Rectangles

Starters 37 Division 2 (Rated)

Beat the Average, Infernos, Maximum OR Minimum

Starters 38 Division 2 (Rated)

A Bit Easy, Good Pairs, Circular Track

July Cook-Off 2022 Division 2 (Rated)

Permutation And Median, Xor Permutation, Segmentation Fault

Starters 44 Division 2 (Rated)

Palindromes Not Allowed, Alternating Strings, Atleast and Atmost, Triple Xor, Dense Bracket Sequence

June Lunchtime 2022 Division 2 (Rated)

Zero Ones Equal One Zeros, The Lost Array, Max Shift After XOR, XOR Times 2 Is Sum, Equal by XORing

Starters 45 Division 2 (Rated)

Even Equal Odd, Xor and Multiply, KBG and GN-Theory, Retrieve the Array, Adjacent Sum Parity

Starters 46 Division 2 (Rated)

Prime Xor, Vowel Anxiety, Array sorting, Sort the String

July Lunchtime 2022 Division 1 (Rated)

Consecutive XOR, Largest Family

Starters 48 Division 1 (Unrated)

Positive array

Starters 51 Division 1 (Unrated)

Adjacent Xors, Copy and Paste, Different Medians

August Long 2022 Division 1 (Unrated)

Two Trains

Problems Authored (1)

Problems Tested (0)

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Editorials Contributed (0)

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