Rupnarayan Kumar

• Username: 2★rupnarayan
• Country:  India
• Student/Professional:Student
• Institution:Techno India Saltlake Kolkata, West Bengal, India
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

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

Rating Graph

No. of Contests Participated: 11

Current Ratings Graph Old Ratings Graph

1547 (+38)RatingProvisional
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Starters 152 (Rated)(2024-09-18 22:00:04)

Global Rank:   904

Cheated in:   

Ratings System Update

(2024-09-18 22:00:04)

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1304 (-140)RatingProvisional
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Starters 46 Division 3 (Rated)(2022-12-20 00:00:00)

Global Rank:   1646

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 (11)

June Challenge 2021 Division 3 (Rated)

Bella ciao, Summer Heat, Bitwise Tuples

June Lunchtime 2021 Division 3

False Number, Richie Rich

February Long 2022 - I, Division 3 (Rated)

N Queens Puzzle Solved !, Chef and the Hair Salon

April Long Two 2022 Division 3 (Rated)

Pseudo Sorted Array, Best Coupon, Sasta Shark Tank

Starters 46 Division 3 (Rated)

Sort the String, MATH1 Enrolment, Group Assignment

Starters 105 Division 4 (Rated)

Bone Appetit, Dracula Eats, Take it Easy

Starters 120 Division 4 (Rated)

Count Subarrays, Valentine Gifts, Sub or Swp, Valentines Contest, Largest K

Starters 126 Division 3 (Rated)

Dice Game 3, Freedom, Sale, Permutation Disturbance

Starters 146 Division 3 (Rated till 5 stars)

No Winner

Starters 147 Division 3 (Rated till 5 stars)

Truth Teller And Liars 101, Independence Day 101, Non-Primes 101, Gold Coins 101

Starters 152 (Rated)

Maximize Hamming Distance, Winning World Finals, Range Minimize

Total Problems Solved: 43