Rohan Ishwarkar

• Username: 3★rohanishwarkar
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Technology Kharagpur West Bengal, 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: 12

Current Ratings Graph Old Ratings Graph

1782 (+18)RatingProvisional
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October Challenge 2019 Division 1(2019-10-14 15:00:00)

Global Rank:   427

Cheated in:   

Ratings System Update

(2019-10-14 15:00:00)

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1782 (-163)RatingProvisional
Rating i Provisional Rating, click to know more

October Challenge 2019 Division 1(2022-12-20 00:00:00)

Global Rank:   427

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)

September Challenge 2017

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

November Challenge 2017

Chef goes Left Right Left, Periodic Palindrome Construction, Villages and Tribes

December Challenge 2017

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

August Lunchtime 2017

Mathison and pangrams

November Lunchtime 2017

Smart Strategy

January Challenge 2018

K-Concatenation, Maximum Score, Rectangle

January Cook-Off 2018

Survive in ChocoLand

September Mega Cook-Off 2018 Division 2

OneTwo, ATM Machine, Make a Permutation

September Challenge 2018 Division 2

Magician versus Chef, War of XORs, Chef and Adventures

September Challenge 2019 Division 1

Fuzzy Linear Combinations, Chef Designed a Network

September Lunchtime 2019 Division 1

All Substrings, Find the Sum

October Challenge 2019 Division 1

Even Edges, Chef and Maximum Star Value, Array Modification, Operations on a Matrix, Phone Prices

Total Problems Solved: 82