Shreyas Dobhal

• Username: 4★romobot08
• Country:  India
• Student/Professional:Student
• Institution:Motilal Nehru National Institute of Technology Allahabad Uttar Pradesh, India
• 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: 20

Current Ratings Graph Old Ratings Graph

1906 (-11)RatingProvisional
Rating i Provisional Rating, click to know more

January Cook-Off 2019 Division 1(2019-01-21 00:00:00)

Global Rank:   205

Cheated in:   

Ratings System Update

(2019-01-21 00:00:00)

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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1906 (-27)RatingProvisional
Rating i Provisional Rating, click to know more

January Cook-Off 2019 Division 1(2022-12-20 00:00:00)

Global Rank:   205

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 (20)

October Challenge 2016

Chef and Three Dogs, Chef and Keyboard

December Challenge 2016

Train Partner

June Challenge 2017

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

July Challenge 2017

Chef and Sign Sequences, Whats in the Name, Calculator

August Long Challenge 2017

Chef and Rainbow Array, Greedy Candidates, Mathison and the Data Warehouse (Challenge), Palindromic Game, Chef and Mover

September Challenge 2017

Chef and Pick Digit, Minimum Good Permutation, Little Chef and Sums

November Challenge 2017

Chef Hates Palindromes, Villages and Tribes, Periodic Palindrome Construction, Chef goes Left Right Left, Chef and Intersection Line

December Challenge 2017

Chef and Universe, Total Diamonds, Santa Delivering Problem, Chef And his Cake, Penalty Shoot-out, Chef and Hamming Distance of arrays

June Cook-Off 2017

Ada and crayons, SnackUp

July Cook-Off 2017

Chang and Bitwise OR, Chang and the Perfect Function

December Cook-Off 2017

Football Match

May Lunchtime 2017

Prefix Inversions

January Challenge 2018

String Merging, Partition the numbers, K-Concatenation, Maximum Score, Rectangle

February Challenge 2018

Broken Clock, Chef And His Characters, Chef And The Patents, Points Inside A Polygon, Car-pal Tunnel, (Challenge) Biased Committee, Permutation and Palindrome

March Challenge 2018 DIV 1

Pishty and Triangles, Chef and Easy Problem, Chef and Gcd Queries, Mix the Colors, Minions and Voting, Embedding a Tree (Challenge)

June Challenge 2018 Division 2

Naive Chef, Binary Shuffle, Sheokand and String

July Challenge 2018 Division 2

Reach Equilibrium, Chef and War with Taran (Challenge), No Minimum No Maximum, Gears, Magic Set, Strike or Spare, No Strings Attached

January Challenge 2019 Division 1

Yet Another Problem About Sequences, Different Neighbours, Partition the Graph, Distinct Pairs, A Pizza Slice

January Cook-Off 2019 Division 1

Ada School

Plinth-Enigma'19 LNMIIT Techfest - (Rated for all)

XOR! Wait for it, Return of the Gargoyle King

Total Problems Solved: 284