ujjwal

• Username: 4★kudb
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Information Technology, Allahabad Uttar Pradesh
• 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: 11

Current Ratings Graph Old Ratings Graph

1937 (+66)RatingProvisional
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June Cook-Off 2021 Division 2(2021-06-21 00:15:02)

Global Rank:   62

Cheated in:   

Ratings System Update

(2021-06-21 00:15:02)

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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1937 (-109)RatingProvisional
Rating i Provisional Rating, click to know more

June Cook-Off 2021 Division 2(2022-12-20 00:00:00)

Global Rank:   62

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?

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Contests (11)

August Challenge 2020 Division 2

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

September Challenge 2020 Division 2

Chefina and Swap, A Problem on Sticks, Chef and Trump Cards, Find XOR, Ada Matrix, Coronavirus Spread 2

August Cook-Off 2020 Division 2

Polygon Relationship, Chef and Work, K-Foldable String

August Lunchtime 2020 Division 2

Game on a Strip, Mode of Frequencies

October Challenge 2020 Division 1

Positive AND, Replace for X

December Challenge 2020 Division 2

Vaccine Distribution, Vaccine Production, Positive Prefixes, Hail XOR, Even Pair Sum

December Cook-Off 2020 Division 2

Self-Destructing Strings, Catch the Thief, Circle of Chaos, Minimum Attendance Requirement

December Lunchtime 2020 Division 1 (Unrated)

Three Letters, One Zero Swaps

Code Ensemble (Rated for Division 2)

Help Martha, Priya and AND, Cherry and Bits

April Lunchtime 2021 Division 2

Chef in Heaven , Bench Press, Array Rotation

May Lunchtime 2021 Division 2

Charges, Tom And Jerry 1, Total Components, K-Subarrays

June Cook-Off 2021 Division 2

Too Much Xor, Binary String on Steroids, The Wave

Total Problems Solved: 62