Shantanu Thakur

• Username: 5★belcbsev
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Technology Kanpur
• CodeChef Pro Plan: No Active Plan. View Details

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Last 6 Months 2026 (Jan-Jun)2025 (Jul-Dec)2025 (Jan-Jun)

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No. of Contests Participated: 29

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2057 (+9)RatingProvisional
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Starters 82 Division 1 (Rated till 6 stars)(2023-03-22 23:00:00)

Global Rank:   76

Cheated in:   

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(2023-03-22 23:00:00)

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2088 (+0)RatingProvisional
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Starters 66 Division 1 (Rated till 5-stars)(2022-12-20 00:00:00)

Global Rank:   53

Cheated in:   

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(2022-12-20 00:00:00)

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Contests (29)

December Challenge 2019 Division 2

Easy Subsequence Selection, Plus Multiply, That Is My Score!

January Challenge 2020 Division 2

Doraemon, Breaking Bricks

March Challenge 2020 Division 2

XOR Engine, Ada Bishop 2, Pintu and Fruits

April Challenge 2020 Division 2

Strange Number, Squared Subsequences, Unit GCD, Sell All the Cars, COVID Pandemic and Long Queue

May Challenge 2020 Division 2

Isolation Centers, Coronavirus Spread

May Challenge 2021 Division 3 (Rated)

Golf, Solubility

June Challenge 2021 Division 3 (Rated)

Bella ciao, Summer Heat

July Challenge 2021 Division 3 (Rated)

XxOoRr, Maximum Production, Relativity

August Challenge 2021 Division 3 (Rated)

Olympics Ranking, Problem Difficulties, Chef and Bulb Invention, Special Triplets, Array Filling

August Lunchtime 2022 Division 2 (Rated)

Easy Permutation, Array Equality, Sort the Array, Tree Coloring

Starters 53 Division 2 (Rated)

Black&White Ring Game, Make A and B equal, Queen Blocks

Starters 55 Division 2 (Rated)

Balls and Boxes, OR Tuples, Mean and Median, Ball Sequence, Non Zero Xor

Starters 56 Division 2 (Rated)

K-Subarrays, Binary Substitution, Maximize Colours

September Lunchtime 2022 Division 2 (Rated) (Based on EJOI)

Stick Break, Permutation Creation, Increasing Addition

Starters 59 Division 2 (Rated)

Alternative Sufferings, Suspense String, Maximum Subarray , Confusing Concatenations

Starters 61 Division 2 (Rated)

Weird Subarrays, Subarray Removal, Minimise LCS

Starters 62 Division 2 (Rated)

Joint XOR, Sorted Substrings, Make Multiple, Final Sum, Pythagorean Pair

Starters 63 Division 1 (Rated for 5 & 6 stars)

Minimum Absolute Score, Greedy Grid Moves, Make Length 1, Maximize 1s

Starters 64 Division 1 (Rated till 5-stars)

Luigi and Uniformity, Prime Factor Division, Distinct Neighbours

Starters 65 Division 1 (Rated for 5 & 6 stars)

Nahaane Jaa, Binod, Gormint Aunty, Potato to Gold

Starters 66 Division 1 (Rated till 5-stars)

Palindrome In Making, Connect All Cities, Good Binary Strings, Palindrome by Splitting

Starters 70 Division 1 (Rated till 6-stars)

X AND Y Tree, Prime Reversal, Frequency Array Retrieval

Starters 72 Division 1 (Rated till 5-Stars)

N Triplets

Starters 73 Division 1 (Rated till 6-Stars)

Find an integer, Consecutive Xor

Starters 74 Division 1 (Rated till 6-Stars)

Lcm hates Gcd, Minimal Inversions, Distinct Values, Maximum Xor Sum, Candies

Starters 75 Division 1 (Rated till 6-Stars)

Equal Hamming Distance, Prefix Ones

February Cook-Off 2023 Division 1 (Rated)

Take Not Less, Alice Potter And Dumbledore Army

Starters 78 Division 1 (Rated till 6 stars)

Bitwise Equation, Balanced Suffix, Solve More Problems!

Starters 82 Division 1 (Rated till 6 stars)

Make Them Alike, Find eX, Difference Matrix

Total Problems Solved: 99