Ovishake Sen

• Username: 3★sherlock_066
• Country:  Bangladesh
• Student/Professional:Student
• Institution:Khulna University of Engineering & Technology Khulna, Bangladesh
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

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

Rating Graph

No. of Contests Participated: 21

Current Ratings Graph Old Ratings Graph

1731 (+8)RatingProvisional
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September Lunchtime 2020 Division 2(2020-09-26 23:00:02)

Global Rank:   1285

Cheated in:   

Ratings System Update

(2020-09-26 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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1731 (-3)RatingProvisional
Rating i Provisional Rating, click to know more

September Lunchtime 2020 Division 2(2022-12-20 00:00:00)

Global Rank:   1285

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 (21)

March Lunchtime 2018 Division 2 (Unrated)

Chef and Friends

April Challenge 2018 Division 2

Workers

May Challenge 2018 Division 2

Minimum Deletions

September Challenge 2019 Division 2

Easy Fibonacci, Chef and Interesting Subsequences

October Mega Cook-Off 2019 Division 2

Medel

November Lunchtime 2019 Division 2

Planting Trees, Compress the List

December Challenge 2019 Division 2

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

December Lunchtime 2019 Division 2

Stupid Machine, Check Algorithm

February Challenge 2020 Division 2

School of Geometry, Hard Cash, The Theatre Problem, No Change Required

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, Leaked Answers (Challenge), COVID Pandemic and Long Queue

May Challenge 2020 Division 2

Coronavirus Spread, Isolation Centers

February Cook-Off 2020 Division 2

Penalty Shoot-Out II, Tax Slabs

April Cook-Off 2020 Division 2

Matrix Decomposition, Lift Requests

March Lunchtime 2020 Division 2 (Unrated)

Chef Swaps Digits

April Lunchtime 2020 Division 2

Another Birthday Present!, Chef in Fantasy League

June Challenge 2020 Division 2

Even Matrix, The Tom and Jerry Game!, Chef and Icecream, Covid Sampling (Challenge), Chef and String, Chef and Price Control

July Challenge 2020 Division 2

Missing a Point, Chef and Strings, Chef and Card Game, Ada King

August Challenge 2020 Division 2

Chef Wars - Return of the Jedi, Another Card Game Problem, Chef and Linear Chess, Smallest KMP

July Cook-Off 2020 Division 2

Even-tual Reduction

July Lunchtime 2020 Division 2

Chef and Steps

August Lunchtime 2020 Division 2

Game on a Strip, Mode of Frequencies, Ratings and Rankings

September Lunchtime 2020 Division 2

GCD operations, Watermelon

Total Problems Solved: 82