Yerzhan

• Username: 5★erzhan9800
• Country:  Kazakhstan
• Student/Professional:Student
• Institution:International IT University Almaty, Kazakhstan
• 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: 35

Current Ratings Graph Old Ratings Graph

2018 (+63)RatingProvisional
Rating i Provisional Rating, click to know more

January Lunchtime 2018(2018-01-27 22:40:00)

Global Rank:   52

Cheated in:   

Ratings System Update

(2018-01-27 22:40:00)

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?

2018 (-102)RatingProvisional
Rating i Provisional Rating, click to know more

January Lunchtime 2018(2022-12-20 00:00:00)

Global Rank:   52

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 (35)

January Challenge 2014

Chef and Feedback, Please like me

November Cook-Off 2014

Brackets, Petersen Graph

December Cook-Off 2014

Matrix Again, Good Joke!

September Challenge 2014

Chef and Left-Right, Fun with Rotation

October Challenge 2014

Chef and Ground, Magical Girl and Colored Liquid Potions

November Challenge 2014

Chef and Segment Game, The Spelling Problem, Let us construct palindrome, Chef and Red Black Tree, Distinct Characters Subsequence

December Challenge 2014

Kali and Devtas, XOR with Subset, Chef and Apple Trees

January Challenge 2015

Sereja and Votes, Gcd Queries, One Dimensional Kingdoms, Chef and Stones, Sereja and Number Division 2

March Challenge 2015

Chef and Notebooks

April Challenge 2015

Chef and Interview, Broken Telephone, Division of Lands, Chef and Piano Scales

May Challenge 2015

Chef and new recipe, Chef and Cake, Set Difference , Chef and Prime Divisors

June Challenge 2015

Chef and Memory Limit, Chef and Polygons

July Challenge 2015

Bread, Na2a and lucky stone, Chef and Cube

September Challenge 2015

Cracking the Code, Chef and Chetris, Lighthouses, Count Steps in Matrix, Bank robbery, Chain of Doughnuts, Nikitosh and xor

October Challenge 2015

Time measure, Count Subarrays, Who dares to be a millionaire, Spheres, Rupsa and Equilateral Triangle

November Challenge 2015

Eugene and function, Chef and cakes, Simple Sum, Chef and collection of stamps, Receipt Recovery, Ingredients

December Challenge 2015

Chef and the stones, Plane Division, Oracle Devu and Longest Common Subsequence, Chef and Filters

September Mega Cook-Off 2015

Forgotten Language, Stacks

November Cook-Off 2015

Sereja and Array and Subtracting, Sereja and Line

January Long Challenge 2016

Rupsa and the Game

February Challenge 2016

Chef-Detective

October Challenge 2016

Chef and Keyboard, Fenwick Iterations, Chef and Three Dogs

January Cook-Off 2016

Chef and Fruits

February Lunchtime 2016

Chef and Socks, Chef and Tic-Tac-Toe

October Lunchtime 2016

FastFood Combos, The Largest Bouquet

February Cook-Off 2017

Download file

August Cook-Off 2017

Game on Stick, Real obtuse, From heaven to earth

September Cook-Off 2017

Infinite OR Game, Statistics Construction, Subsequence Equality

August Lunchtime 2017

Mathison and the Dynamo shuffle, Mathison and pangrams

September Lunchtime 2017

Chef and Cook-Off Contests

January Lunchtime 2018

Chef and Game with Sequence, Chef and Escaping from the Labyrinth

Total Problems Solved: 85