Ishaan

• Username: 2★catunoo
• Country:  Antarctica
• Student/Professional:Student
• Institution:Punjab Engineering College, Chandigarh
• 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: 8

Current Ratings Graph Old Ratings Graph

1530 (+48)RatingProvisional
Rating i Provisional Rating, click to know more

January Lunchtime 2022 Division 2(2022-01-29 23:00:02)

Global Rank:   1804

Cheated in:   

Ratings System Update

(2022-01-29 23:00:02)

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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1530 (-195)RatingProvisional
Rating i Provisional Rating, click to know more

January Lunchtime 2022 Division 2(2022-12-20 00:00:00)

Global Rank:   1804

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?

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Contests (8)

CodeChef Starters 9 Division 3 (Rated)

Large Square, Black cells in a chessboard

AlgoManiac - Code For Future Division 3 (Rated)

Say No To Drugs, The Old Saint And Three Questions

September Challenge 2021 Division 3 (Rated)

Airline Restrictions, Travel Pass

CodeChef Starters 11 Division 3 (Rated)

The Grid Fill Problem, Find the Direction, Obtain the Sum, The Two Dishes

October Challenge 2021 Division 3 (Rated)

Which Mixture, Three Boxes, Longest AND Subarray

CodeChef Starters 17 Division 3 (Rated)

GCD of Prefixes, Chef on Vacation, New Piece

January Long 2022 - I, Division 3 (Rated)

Keplers Law, Prime in a binary string, Covid Spread

CodeChef Starters 23 Division 2 (Unrated)

Average of Three, Chef and Profits

January Lunchtime 2022 Division 2

Subarray permutations, Prefix Zeros

February Long 2022 - I, Division 2 (Unrated)

N Queens Puzzle Solved !

Total Problems Solved: 32