Lakhan Soren

• Username: 2★surfer007
• Country:  India
• Student/Professional:Professional
• Organisation:Makemytrip
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

Last 6 Months 2025 (Jul-Dec)2025 (Jan-Jun)2024 (Jul-Dec)2024 (Jan-Jun)

Rating Graph

No. of Contests Participated: 12

Current Ratings Graph Old Ratings Graph

1468 (-21)RatingProvisional
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Starters 73 Division 3 (Rated)(2023-01-11 23:00:04)

Global Rank:   2671

Cheated in:   

Ratings System Update

(2023-01-11 23:00:04)

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1489 (-395)RatingProvisional
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August Lunchtime 2019 Division 2(2022-12-20 00:00:00)

Global Rank:   60

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 (12)

July Challenge 2013

Count K-Primes

August Challenge 2013

Hello Hello

September Challenge 2013

Little Elephant and Exams, Project Spoon

September Cook-Off 2014, ACM-ICPC Warm up

Sherlock and the Grid

October Challenge 2014

Chef and Ground, Magical Girl and Colored Liquid Potions

May Challenge 2015

Set Difference , Chef and new recipe, Chef and Prime Divisors

June Challenge 2015

Steady tables

August Cook-Off 2019 Division 2

Chef and Pepperoni Pizza, Chef Drinks Coke

August Lunchtime 2019 Division 2

Eidi Gift, Destroy Cells

Starters 73 Division 3 (Rated)

Lucky Numbers, Append for OR

Total Problems Solved: 49