Sayan Ghosh

• Username: 4★cyberforce
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Technology BHU Varanasi, Uttar Pradesh, India
• CodeChef Pro Plan: No Active Plan. View Details

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

Rating Graph

No. of Contests Participated: 18

Current Ratings Graph Old Ratings Graph

1855 (+36)RatingProvisional
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Starters 43 Division 2 (Rated)(2022-06-15 23:00:02)

Global Rank:   358

Cheated in:   

Ratings System Update

(2022-06-15 23:00:02)

This is the difference due to changing the rating system.This graph is not updated after 20th Dec 2022. Know more

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1855 (-139)RatingProvisional
Rating i Provisional Rating, click to know more

Starters 43 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   358

Cheated in:   

Ratings System Update

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

This is the difference due to changing the rating system.This graph is not updated after 20th Dec 2022. Know more

How the rating system works?

Learning Paths (0)

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Practice Paths (0)

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Contests (18)

January Challenge 2020 Division 2

Breaking Bricks, Chef and Dynamo

February Challenge 2020 Division 2

School of Geometry

May Challenge 2020 Division 2

Coronavirus Spread, Isolation Centers

April Cook-Off 2020 Division 2

Lift Requests

April Lunchtime 2020 Division 2

Chef in Fantasy League

September Lunchtime 2020 Division 2

GCD operations, Watermelon

February Lunchtime 2021 Division 3

Daanish and Problems, Coprime Range, Smallest Possible Whole Number

CodeChef Starters 6 Division 3 (Rated)

Joker and Batman, Even tuples, Three Dices, Cricket Ranking

August Challenge 2021 Division 2 (Unrated)

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

August Cook-Off 2021 Division 2

Different String, Chef and Closure, Equal Difference

August Lunchtime 2021 Division 2

K-th Maximum, Crossing Blocks, Just a Graph

AlgoManiac - Code For Future Division 2 (Unrated)

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

CodeChef Starters 11 Division 2 (Rated)

Positive Spewing, Obtain the Sum, The Grid Fill Problem

CodeChef Starters 12 Division 2 (Unrated)

K - balanced string, Make it Divisible, Another Shortest Paths Problem, Maximum Points

CodeChef Starters 14 Division 2 (Unrated)

Odd GCD, Diagonal movement, FIXFIX

September Lunchtime 2021 Division 2

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

CodeChef Starters 19 Division 2 (Rated)

Indivisible Permutation, Distinct Elements

C.O.D.E.R.S Division 2 (Rated)

The One On The Last Night, The One with Ross Wedding

December Challenge 2021 Division 2 (Unrated)

Increasing String , List of Lists, Rock Paper Scissors, Valleys and Hills

December Cook-Off 2021 Division 2

Median Minimization, Musical Chairs, RGB Construction

CodeChef Starters 21 Division 2 (Rated)

Akash and Grid, ChefWM, And Or Union, Mean equals Median

January Long 2022 - I, Division 2 (Unrated)

Prime in a binary string

Starters 43 Division 2 (Rated)

The Optimal Pairs, Permutation AND, Distinct Palindrome

Total Problems Solved: 117