Sergey Slotin

• Username: 6★sslotin
• Country:  Russia
• Student/Professional:Student
• Institution:School №179, Moscow Russia
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

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

Rating Graph

No. of Contests Participated: 30

Current Ratings Graph Old Ratings Graph

2241 (-25)RatingProvisional
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August Long Challenge 2017(2017-08-18 15:00:00)

Global Rank:   584

Cheated in:   

Ratings System Update

(2017-08-18 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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2241 (+209)RatingProvisional
Rating i Provisional Rating, click to know more

August Long Challenge 2017(2022-12-20 00:00:00)

Global Rank:   584

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 (30)

December Challenge 2015

Chef and the stones

December Lunchtime 2015

Distinct Codes

January Long Challenge 2016

Chef and Inflation, Rupsa and the Game, Churu and Balls, Chef and Making Triples, Chef and Time Machine, Devu and Perfume

February Challenge 2016

Chef and Job and Rest, Chef and Strange Operations, Devu and a light discussion, Chef-Detective

March Challenge 2016

Palindromic substrings

April Challenge 2016

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

May Challenge 2016

Chef and Balls, Forest Gathering, Chef and Big Soccer, Laddu

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

August Challenge 2016

Chef and His Garden, Fighting Ebola, Chef and Circle Run, Chef and Chocolate, Chef and Round Run, Funny gnomes, Maximum Grid, Chef and Guard Towers, A Good Problem

September Challenge 2016

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

October Challenge 2016

Sereja and Progressions, Chef and Keyboard, Big Queries, Fenwick Iterations, Chef and Three Dogs, Chef and Two String

November Challenge 2016

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

December Challenge 2016

Train Partner, Kth Max Subarray, Chef and Finding Direction, Sereja and Increasing subsequence, Kirito in labyrinth, Edit Distance Revisited, Roses for Alexey, Our Base is Under Attack, Bear and Three Colours

June Cook-Off 2016

Sticks

July Cook-Off 2016

Chef and Proportion, Chef and Numbers

August Cook-Off 2016

Tweedle-Dee and Tweedle-Dum

March Lunchtime 2016

Simple Statistics

July Lunchtime 2016

Drumpf for President!, Lumpy - The Bus Driver

September Lunchtime 2016

Chef and Inequality

October Lunchtime 2016

FastFood Combos, The Largest Bouquet

November Lunchtime 2016

Chef and his Students, Chef and Square Set

January Challenge 2017

Capital Movement, Cats and Dogs, Chef and Circle, Digits Cannot Separate, Reservior, Tourists in Mancunia

February Challenge 2017

Eugene and big number, Chef and Triangles, Chef and his Best Friend, Chef and His Apartment Dues

March Challenge 2017

Cooking Schedule, Completing favorite game, Xenny and Alternating Tasks, Pishty and birthday, Bear and Extra Number, (CH) Bear and Sorted Rows, Bandwidth of a matrix

February Lunchtime 2017

Bear and House Queries, Bear and Milky Cookies, Bear and Bribing Tree, Bear and Oveflow Points

April Challenge 2017

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

August Long Challenge 2017

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

May Lunchtime 2017

Prefix Inversions

Alkhwarizm 2017 (Rated)

Logan and his XOR debacle, X-24 and his SUBSET code, Professor X and Grouping of Numbers

Total Problems Solved: 120