Sarthak Singh

• Username: 5★insayn
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Information Technology, Lucknow Uttar Pradesh, India
• 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: 14

Current Ratings Graph Old Ratings Graph

2006 (+52)RatingProvisional
Rating i Provisional Rating, click to know more

January Lunchtime 2022 Division 2(2022-01-29 23:00:02)

Global Rank:   80

Cheated in:   

Ratings System Update

(2022-01-29 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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2006 (-106)RatingProvisional
Rating i Provisional Rating, click to know more

January Lunchtime 2022 Division 2(2022-12-20 00:00:00)

Global Rank:   80

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 (14)

October Challenge 2019 Division 2

Phone Prices, Operations on a Matrix

November Challenge 2019 Division 2

Physical Exercise, Hard Sequence, Weapon Value

December Challenge 2019 Division 2

Plus Multiply, That Is My Score!

January Challenge 2020 Division 2

Chef and Dynamo, Doraemon, Equality, Breaking Bricks

February Challenge 2020 Division 2

No Change Required, Long Contest and Cook Off Overlaps, (Challenge) Raisins, Hard Cash, School of Geometry, The Theatre Problem

March Challenge 2020 Division 2

XOR Engine, Ada Bishop 2, Pintu and Fruits

April Challenge 2020 Division 2

COVID Pandemic and Long Queue, Leaked Answers (Challenge), Sell All the Cars, Ready Bitwise, Squared Subsequences, Strange Number, Unit GCD

October Challenge 2020 Division 1

Positive AND, Replace for X, D-Dimensional MST

November Challenge 2020 Division 1

Restore Sequence, Magical Candy Store, Unusual Queries

CodeChef Div 3 Rated Contest 2021 Division 1 (Unrated)

Rectangle, Chef and Patients, Body Mass Index, Total Score

May Challenge 2021 Division 1 (Unrated)

Xor Equality, Tic Tac Toe

June Lunchtime 2021 Division 1

From Rational to Binary

June CodeChef Starters 2021 Division 2 (Unrated)

Total Correct Submissions, Sleep Cycle, Chess Match, Cyclic Quadrilateral

July Cook-Off 2021 Division 2

XOR-ORED, Mod Equality

July Lunchtime 2021 Division 2

Beautiful Pairs, Array Rotation Returns

January Lunchtime 2022 Division 2

Subarray permutations, Prefix Zeros, Permutation XOR Sum

Total Problems Solved: 156