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• Username: 1★chal_hat_na
• Country:  India
• Student/Professional:Student
• Institution:Patna University Patna, Bihar
• 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: 6

Current Ratings Graph Old Ratings Graph

1356 (+103)RatingProvisional
Rating i Provisional Rating, click to know more

February Challenge 2021 Division 3(2021-02-15 15:00:04)

Global Rank:   1302

Cheated in:   

Ratings System Update

(2021-02-15 15:00:04)

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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1356 (-208)RatingProvisional
Rating i Provisional Rating, click to know more

February Challenge 2021 Division 3(2022-12-20 00:00:00)

Global Rank:   1302

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 (6)

December Challenge 2020 Division 2

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

December Lunchtime 2020 Division 2 (Unrated)

Sed Sequences, One Zero Swaps

UWCOI 2021 (Rated for all)

Hidden Numbers

Byterace IIT Patna Division 2 (Rated)

The Begining Era Of Cyberverse

January Challenge 2021 Division 3

Guess the Tiling, Fair Elections, Watching CPL

February Challenge 2021 Division 3

Frog Sort, Team Name, Prime Game, Multiple Games, XOR Sums, Maximise Function

Total Problems Solved: 21