Kay

• Username: 5★rky3974840
• Student/Professional:Student
• Institution:The High School Affiliated to Anhui Normal University Yinhu S Rd, Jinghu, Wuhu, Anhui, China
• 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: 23

Current Ratings Graph Old Ratings Graph

2087 (-20)RatingProvisional
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August Lunchtime 2021 Division 1(2021-08-28 22:30:00)

Global Rank:   160

Cheated in:   

Ratings System Update

(2021-08-28 22:30:00)

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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2087 (-14)RatingProvisional
Rating i Provisional Rating, click to know more

August Lunchtime 2021 Division 1(2022-12-20 00:00:00)

Global Rank:   160

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 (23)

March Challenge 2016

maximize the sum, Parity tree, Palindromic substrings

April Challenge 2016

Help Watson Escape, Chef and Ballons, Chef And Magical Path, Chef And Coloring

July Challenge 2016

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

August Challenge 2016

Chef and His Garden, Chef and Circle Run, Chef and Chocolate, Chef and Round Run, Funny gnomes, Maximum Grid

September Challenge 2016

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

February Challenge 2017

Chef and Yoda, Interval Game

March Challenge 2017

Cooking Schedule, Xenny and Alternating Tasks, Pishty and birthday, Bear and Extra Number, Bandwidth of a matrix

April Challenge 2017

Bear and Clique Distances, Similar Dishes, Bear and Row 01, Dish Of Life, Chef and Divisor Tree

June Challenge 2017

Chef and Prime Queries, A Good Set, Cloning, Chef and the Feast, Xenny and Coin Rankings, Triplets, Pairwise union of sets

July Challenge 2017

Two Coins, IPC Trainers, Calculator , Servers (Challenge), Tree Expectancy, Pishty and tree, Irrational Root, Chef and Sign Sequences, Whats in the Name

June Challenge 2018 Division 1

Two Flowers, Vision

July Challenge 2018 Division 1

Reach Equilibrium, No Minimum No Maximum, Gears

January Lunchtime 2019 Division 1

Distances, Wanderer, Rooks

February Challenge 2019 Division 1

Manhattan Rectangle, Art of Balance, Xor Decomposition, Chef and Secret Ingredients, Guess It Right

June Challenge 2019 Division 1

Lent Money, Count Arrays, Chef and Ingredients, Chef and His Dish, Intersecting Paths, Sum and GCD, Forgotten Tree 9

July Challenge 2019 Division 1

Guess the Prime!, Circular Merging, Codechef War

August Challenge 2019 Division 1

Guddu and his Mother, Encoding, Dilemma, Maximize an Expression, Chef and Gordon Ramsay

January Challenge 2020 Division 1

Chef and Dynamo, Doraemon, Chefina and Prefix Suffix Sums, English

February Challenge 2020 Division 1

No Change Required, Long Contest and Cook Off Overlaps, Expected Change, Chef and Railway Stations

July Lunchtime 2021 Division 2

Beautiful Pairs, Xor Separation, Array Rotation Returns, Longest Good Segment

August Lunchtime 2021 Division 1

Bunny Hops, Just a Graph

September Challenge 2021 Division 1 (Unrated)

XOR Equal, Shuffling Parities, Airline Restrictions, Travel Pass

Total Problems Solved: 100