Ujjawal Khadanga

• Username: 3★spilled_coffee
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Technology Mandi Suran, Himachal 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: 17

Current Ratings Graph Old Ratings Graph

1704 (+10)RatingProvisional
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CodeChef Starters 29 Division 2 (Rated)(2022-03-09 23:00:02)

Global Rank:   1272

Cheated in:   

Ratings System Update

(2022-03-09 23:00:02)

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1704 (-113)RatingProvisional
Rating i Provisional Rating, click to know more

CodeChef Starters 29 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   1272

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)

Practice Paths (1)

Prepare for ICPC - Past Year Problems

1%

Contests (17)

April CodeChef Starters 2021 Division 3 (Rated)

Thief and Police, Maximum Size, Hiring Test, Chef On Island

May Challenge 2021 Division 3 (Rated)

Xor Equality, Golf, Solubility

July Challenge 2021 Division 3 (Rated)

Maximum Production, Relativity

August Challenge 2021 Division 3 (Rated)

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

CodeChef Starters 10 Division 2 (Rated)

Maximise the Subsequence Sum, Remove One Element

September Challenge 2021 Division 2 (Unrated)

Shuffling Parities, Travel Pass, Airline Restrictions, XOR Equal

SnackDown 2021 - Online Qualifiers

Lucky Number

CodeChef Starters 13 Division 2 (Rated)

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

CodeChef Starters 14 Division 2 (Unrated)

Odd GCD, Diagonal movement, FIXFIX

October Challenge 2021 Division 2 (Unrated)

Longest AND Subarray, MEX-OR

September Lunchtime 2021 Division 2

Balanced and Unique Arrays, Yet another SOD problem

October Cook-Off 2021 Division 2

01 Subsequence

SnackDown 2021 - Online Round 1A

Round Robin Ranks , Dance Moves, Min Max LCM

December Challenge 2021 Division 2 (Unrated)

Valleys and Hills, List of Lists

CodeChef Starters 21 Division 3 (Rated)

Devendra and Water Sports, Akash and Grid, And Or Union, Covid and Theatre Tickets

January Long 2022 - I, Division 2 (Unrated)

Prime in a binary string

January Lunchtime 2022 Division 2

Subarray permutations

CodeChef Starters 24 Division 2 (Rated)

Divisors and Reciprocals, Yet Another Constructive Problem, Avoid Contact, Anti Palindrome

February Long 2022 - I, Division 2 (Unrated)

Binary Base Basics, N Queens Puzzle Solved !

CodeChef Starters 25 Division 2 (Rated)

Building Towers, Equal MEX, K Distinct Array, Points and Lines

CodeChef Starters 27 Division 2 (Rated)

Distinct Binary Strings, The product mystery

CodeChef Starters 28 Division 2 (Rated)

Permutation Xority, Count the Holidays

CodeChef Starters 29 Division 2 (Rated)

String protocol, Plusle and Minun on Array, Decomposition Reaction

Total Problems Solved: 90