Ronak Upadhyay

• Username: 3★rock_9192
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Technology Dhanbad
• 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

1766 (+33)RatingProvisional
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February Cook-Off 2022 Division 2(2022-02-21 22:30:02)

Global Rank:   798

Cheated in:   

Ratings System Update

(2022-02-21 22:30:02)

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1766 (-113)RatingProvisional
Rating i Provisional Rating, click to know more

February Cook-Off 2022 Division 2(2022-12-20 00:00:00)

Global Rank:   798

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)

January Challenge 2020 Division 2

Doraemon, Breaking Bricks, Chef and Dynamo

April Challenge 2020 Division 2

Strange Number, Squared Subsequences, Ready Bitwise, Unit GCD, Sell All the Cars, COVID Pandemic and Long Queue

May Challenge 2020 Division 2

Coronavirus Spread, Isolation Centers

April Cook-Off 2020 Division 2

Matrix Decomposition, Lift Requests

January Lunchtime 2020 Division 2

Bob and His Friends, Chef and Street Food

April Lunchtime 2020 Division 2

Chef in Fantasy League

September Challenge 2020 Division 2

A Problem on Sticks, Ada Matrix

July Cook-Off 2020 Division 2

Even-tual Reduction

March CodeChef Starters 2021 Division 3 (Rated)

Point Grid, Possible Victory, Nobel Prize, College Life 5, Minimal Travel Time

SnackDown 2021 - Online Qualifiers

Lucky Number

CodeChef Starters 11 Division 2 (Rated)

Positive Spewing, The Grid Fill Problem, Obtain the Sum

October Lunchtime 2021 Division 2

Chef and Water Car, Exactly N plus 1 Values

SnackDown 2021 - Online Round 1A

Dance Moves, Min Max LCM

SnackDown 2021 - Online Round 1B

Queens Placement , Largest Laddu, Help Nishant

February Cook-Off 2022 Division 2

Perfect Permutation, PerMEXuation , Prefix Permutation

Total Problems Solved: 72