Ayush Kushwaha

• Username: 4★knight_r
• 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: 24

Current Ratings Graph Old Ratings Graph

1958 (+46)RatingProvisional
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CodeChef Starters 33 Division 2 (Rated)(2022-04-06 23:00:02)

Global Rank:   41

Cheated in:   

Ratings System Update

(2022-04-06 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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1958 (-206)RatingProvisional
Rating i Provisional Rating, click to know more

CodeChef Starters 33 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   41

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 (24)

November Challenge 2019 Division 2

Hard Sequence, Physical Exercise, Weapon Value

November Cook-Off 2019 Division 2

The Biggest Restaurant, Chef Diet

January Challenge 2020 Division 2

Chef and Dynamo, Doraemon, Equality, Breaking Bricks

February Challenge 2020 Division 2

(Challenge) Raisins, Hard Cash, School of Geometry, The Theatre Problem, No Change Required

March Challenge 2020 Division 2

XOR Engine, Pintu and Fruits

April Challenge 2020 Division 2

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

February Cook-Off 2020 Division 2

Tax Slabs

February Lunchtime 2020 Division 2

At the Gates

June Challenge 2020 Division 2

Even Matrix, The Tom and Jerry Game!, Chef and Icecream, Chef and String, Chef and Price Control

July Cook-Off 2020 Division 2

Even-tual Reduction

October Challenge 2020 Division 2

Covid Run, Chef and Easy Queries, Replace for X, Positive AND

December Cook-Off 2020 Division 2

Self-Destructing Strings, Catch the Thief, Minimum Attendance Requirement

December Lunchtime 2020 Division 2 (Unrated)

Sed Sequences, One Zero Swaps

September Cook-Off 2020 Division 2

Bowling Strategy

Byterace IIT Patna Division 2 (Rated)

The Begining Era Of Cyberverse, Cybalphabit

August Cook-Off 2021 Division 2

Different String, Equal Difference

September Cook-Off 2021 Division 2

Chef and Pairwise Distances, Zebra Crossing, Fake Swaps, Adjacency Hatred

SnackDown 2021 - Online Qualifiers

Lucky Number

CodeChef Starters 13 Division 2 (Rated)

Maximum Light Up, Magical Doors, Chef in Vaccination Queue, Add and Divide

SnackDown 2021 - Online Round 1B

Queens Placement , Largest Laddu

December Cook-Off 2021 Division 2

Median Minimization, Musical Chairs

December Lunchtime 2021 Division 2

Maximum Trio, Optimal Sorting, Romantic Reversals

CodeChef Starters 21 Division 2 (Rated)

Akash and Grid, And Or Union, ChefWM

Infinity 2k21 Division 2 (Rated)

Marbles, Dalgona Treat

January Long 2022 - II, Division 2 (Unrated)

Power Sum, Crying Colours

January Cook-Off 2022 Division 2

Merged LIS, Subsegment Divisibility , Mean Maximization, Palindromes Not Allowed

January Lunchtime 2022 Division 2

Subarray permutations, Prefix Zeros, Permutation XOR Sum

CodeChef Starters 33 Division 2 (Rated)

Stable Mex, Distinct Dilemma, Broken Life, Non Adjacent Flips, Make Them Equal

Total Problems Solved: 103