Pranshu Upadhaya

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

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

Rating Graph

No. of Contests Participated: 22

Current Ratings Graph Old Ratings Graph

1505 (-38)RatingProvisional
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Starters 196 (Rated)(2025-07-23 22:00:04)

Global Rank:   2298

Cheated in:   

Ratings System Update

(2025-07-23 22:00:04)

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1773 (+65)RatingProvisional
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May Challenge 2019 Division 2(2022-12-20 00:00:00)

Global Rank:   1479

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 (22)

April Cook-Off 2014

Snape and Ladder

April Challenge 2014

Sereja and Permutation, Shortest Path in Binary Trees, Divide the Tangerine, Farmer Feb, Counting Matrices, Chef and Digits

June Challenge 2014

Chef and Subarray, Guessing Game, Forgot Password

September Challenge 2014

Factorisation, Chef and Rainbow Array - 2, Chef and Left-Right, Chef and sequence, Fun with Rotation

October Challenge 2014

Chef and Ground, DevuLand, Dinosaurs and Laddus, Magical Girl and Colored Liquid Potions, Remy paints the fence

May Challenge 2017

Chef and Sub Array , Chef and his daily routine, Courses in an university, Blocked websites, Median of adjacent maximum numbers

June Challenge 2017

A Good Set, Chef and the Feast, Xenny and Coin Rankings, Pairwise union of sets

April Cook-off 2018 Division 2

Binary Nim, Cut the Board

May Cook-off 2018 Division 2

Secret Recipe

June Cook-Off 2018 Division 2

Archi and Comparsion, Good Permutations

April Lunchtime 2018 Division 2

Two vs Ten

May Challenge 2018 Division 2

Mighty Friend, Minimum Deletions, Xor Again, Fake Binary Search, Dibs on Fibs

June Challenge 2018 Division 2

Binary Shuffle, Naive Chef

July Challenge 2018 Division 2

Magic Set, No Strings Attached, Strike or Spare, Gears, No Minimum No Maximum, Reach Equilibrium

May Challenge 2019 Division 2

Matches, Reduce to One

Starters 187 (Rated)

Incremental Game

Starters 188 (Rated)

Subset Sum 3

Starters 189 (Rated)

Nutrition Cost, Create Binary String

Starters 191 (Rated)

Add to get GCD, Permuted Greater than 2

Starters 193 (Rated)

Add Permutation, Count Odd Even Divisors

Starters 196 (Rated)

More Cookies, Sugar Limit

Total Problems Solved: 73