xavier charles

• Username: 3★katkoi_3
• Country:  India
• Student/Professional:Other
• CodeChef Pro Plan: No Active Plan. View Details

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

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No. of Contests Participated: 22

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1726 (-83)RatingProvisional
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Starters 63 Division 2 (Rated)(2022-11-02 23:00:02)

Global Rank:   1219

Cheated in:   

Ratings System Update

(2022-11-02 23:00:02)

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1726 (+132)RatingProvisional
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Starters 63 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   1219

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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Contests (22)

August Challenge 2021 Division 3 (Rated)

Olympics Ranking

CodeChef Starters 9 Division 3 (Rated)

Black cells in a chessboard

September Challenge 2021 Division 3 (Rated)

Travel Pass, XOR Equal

CodeChef Starters 11 Division 3 (Rated)

The Grid Fill Problem, Obtain the Sum, The Two Dishes

CodeChef Starters 12 Division 3 (Rated)

K - balanced string, Good Weather, Make it Divisible

CodeChef Starters 19 Division 3 (Rated)

Chef and Contest, Sleepy Chef, Indivisible Permutation, Distinct Elements

December Challenge 2021 Division 3 (Rated)

Rock Paper Scissors, Utkarsh and Placement tests, List of Lists, Pyramid Traversal, Valleys and Hills, Check Mate

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, ChefWM, And Or Union

CodeChef Starters 22 Division 2 (Rated)

Equal LIS, Merging Binary Strings, An Interesting Sequence, Even Subset Xor

Code Drive Division 2 (Rated)

Sum this up, Again XOR problem, Maximum Factors Problem, Count Number of Peaks

Exun 2021-22 Division 2 (Rated)

Sarthak and his Magic Grid, Vedant and his Hidden Array, Aujasvit and the Circle Game

January Cook-Off 2022 Division 2

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

January Lunchtime 2022 Division 2

Permutation XOR Sum, Prefix Zeros, Subarray permutations

CodeChef Starters 24 Division 2 (Rated)

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

CodeChef Starters 25 Division 2 (Rated)

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

February Cook-Off 2022 Division 1

Perfect Permutation, PerMEXuation , Mango Market

CodeChef Starters 28 Division 2 (Rated)

Count the Holidays

March Cook-Off 2022 Division 2

Fixed Weight, Janmansh at Fruit Market

Total Problems Solved: 60