vivek kumar singh

• Username: 3★katson
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Information Technology, Allahabad Uttar Pradesh
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

Last 6 Months 2025 (Jan-Jun)2024 (Jul-Dec)2024 (Jan-Jun)

Rating Graph

No. of Contests Participated: 20

Current Ratings Graph Old Ratings Graph

1608 (+17)RatingProvisional
Rating i Provisional Rating, click to know more

December Challenge 2016(2016-12-12 15:00:00)

Global Rank:   1612

Cheated in:   

Ratings System Update

(2016-12-12 15:00:00)

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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1608 (-13)RatingProvisional
Rating i Provisional Rating, click to know more

December Challenge 2016(2022-12-20 00:00:00)

Global Rank:   1612

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)

February 2012 Challenge

Count of Maximum, Lucky Long

February 2012 Cook-off

Daily Train

April Challenge 2012

Fit to Play, Double Strings, Stacking Pancakes, Greatest Dumpling Fight

April Cook-Off 2012

Top Batsmen

May Challenge 2012

Jewels and Stones, Lucky lucky number, Divisible Pairs, Remember the recipe

May Cook-Off 2012

Little Elephant and Strings

June Challenge 2012

Little Elephant and Candies, Arranging Cup-cakes

February Challenge 2014

Little Elephant and Subarrays, Longest Common Pattern, Make Him Happy

May Challenge 2014

Chef-jumping

October Challenge 2014

Chef and Ground

November Challenge 2014

Chef and Segment Game, Distinct Characters Subsequence, Let us construct palindrome

December Challenge 2014

XOR with Subset, Chef and Apple Trees

August Lunchtime 2014

Harrenhal

February Challenge 2015

Chef and Chain, Let us play with rank list, Chef and Equality

June Challenge 2015

Chef and Memory Limit, Chef and Polygons

September Challenge 2015

Count Steps in Matrix

December Challenge 2016

Train Partner

Total Problems Solved: 64