Karthik Yadav

• Username: 4★equalizer
• Country:  India
• Student/Professional:Other
• 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: 17

Current Ratings Graph Old Ratings Graph

1932 (+24)RatingProvisional
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November Challenge 2017(2017-11-13 19:00:00)

Global Rank:   567

Cheated in:   

Ratings System Update

(2017-11-13 19:00:00)

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1932 (+79)RatingProvisional
Rating i Provisional Rating, click to know more

November Challenge 2017(2022-12-20 00:00:00)

Global Rank:   567

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 (17)

May Challenge 2016

Chef and Big Soccer, Laddu, Chef and Balls

June Challenge 2016

Chef And The Hiring Event, Chef and Array and K, Chef And Binary Operation, Chef and Coins Game, Devu and an Array

July Challenge 2016

Andrash and Stipendium, Chef and Tetris, Chef and Robots Competition, Chefland and Electricity

August Challenge 2016

Chef and Chocolate, Funny gnomes, Chef and Round Run, Chef and Circle Run, Fighting Ebola, Chef and His Garden

September Challenge 2016

Chef and Friends, Dividing Machine, Chef and digits of a number, Faded Palindromes, Chef and calculation

October Challenge 2016

Sereja and Progressions, Chef and Keyboard, Fenwick Iterations, Chef and Three Dogs

November Challenge 2016

Task for Alexey, Sereja and Ways in the Cube, Chef and squares, Friends Meeting, Count Permutations, Gift and Chef

February Cook-Off 2016

Puppy and Sum

May Cook-Off 2016

Phantasialand

June Cook-Off 2016

Sticks

September Cook-Off 2016

Lazy Jem

June Lunchtime 2016

Collisions, One more weird game

February Challenge 2017

Chef and Triangles, Chef and His Apartment Dues, Most Frequent Element, Gerrymander, Alice and her garden

March Challenge 2017

(CH) Bear and Sorted Rows, Bandwidth of a matrix, Xenny and Alternating Tasks, Cooking Schedule, Bear and Extra Number

May Challenge 2017

Chef and Battleship, Chef and Subsequences, Median of adjacent maximum numbers, Blocked websites, Courses in an university, Chef and his daily routine, Chef and Sub Array

August Long Challenge 2017

Chef and Rainbow Array, Chef and Mover, Palindromic Game, Greedy Candidates

November Challenge 2017

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

Total Problems Solved: 87