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Programming and DSA

Learn to think like a programmer. Develop your problem-solving skills with essential data structures and algorithms.

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Programming and DSA

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Programming and DSA

Learn to think like a programmer. Develop your problem-solving skills with essential data structures and algorithms.

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Practice Compete Compiler
Home » Zakhar
user profile

Zakhar

  • 5★iakovlevzakhar
  •   Russia
  • Student
  • Saint Petersburg National Research University of Information Technologies, Mechanics and Optics
  • No Active Plan. View Details

Submissions Heat Map

Rating Graph

No. of Contests Participated: 43
2150 (+83)RatingProvisional
Rating i Provisional Rating, click to know more
April Lunchtime 2022 Division 1(Rated)(2022-04-16 22:30:00)
Global Rank:   22
Cheated in:   

Ratings System Update

(2022-04-16 22:30:00)
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?
2150 (-149)RatingProvisional
Rating i Provisional Rating, click to know more
April Lunchtime 2022 Division 1(Rated)(2022-12-20 00:00:00)
Global Rank:   22
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)

None

Practice Paths (0)

None

Contests (43)

December Cook-Off 2018 Division 2

Camp Or Not, Yalalovichik Numbers, Yalalovichik Strings

December Challenge 2018 Division 2

Chef and Interactive Contests, Chef and An Ideal Problem

Encoder (Rated for Division 2)

Knight Chess, Second Largest Element, Old Farmer, Paint the Wall

February Challenge 2019 Division 1

Manhattan Rectangle, Guess It Right, Chef and Secret Ingredients, Xor Decomposition, (Challenge) Chef with Orchestra in the Kitchen, Art of Balance, Maximize the Tax

June Challenge 2019 Division 1

Lent Money, Chef and Ingredients, Sum and GCD, (Challenge) SnackDown 99

June Cook-Off 2019 Division 1

Zawad and Index Sum, Ants and Anteaters, Drink Slush

June Lunchtime 2019 Division 1

The Grux Permutation , Gii and His Club

July Challenge 2019 Division 1

Hit the Coconuts, Snake and Apple Tree, Guess the Prime!, Codechef War, LOVEMUFFIN, Circular Merging, (Challenge) Codechef War II

July Cook-Off 2019 Division 1

Birthday Gift Again

August Challenge 2019 Division 1

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

August Cook-Off 2019 Division 1

Warriors, Rich Substrings, Two Circles

August Lunchtime 2019 Division 1

Destroy Cells

September Challenge 2019 Division 1

Biladerim Icin, Fuzzy Linear Combinations, Chef Designed a Network

September Mega Cook-Off 2019 Division 1

Angry Grandfather

October Challenge 2019 Division 1

Even Edges, Bacterial Reproduction, Chef and Maximum Star Value, Array Modification, (Challenge) Maximizing LIS

October Mega Cook-Off 2019 Division 1

D-Or

October Lunchtime 2019 Division 1 (Unrated)

Box Game

November Challenge 2019 Division 1

Physical Exercise, Smallest Beautiful Number, From Zero to Infinity, A Simple Game, Single Point of Failure

November Cook-Off 2019 Division 1

The Biggest Restaurant, The Challenge Day, Robots in Chefland

November Lunchtime 2019 Division 1

Planting Trees, Washing Windows, Perfection

December Cook-Off 2019 Division 1

Xor It

December Lunchtime 2019 Division 1

The Evil Professor, Guess the number

December Challenge 2019 Division 1

Chefina and Ranges, Binary XOR, Sticky Notes, Addition

January Challenge 2020 Division 1

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

February Challenge 2020 Division 1

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

March Challenge 2020 Division 1

Lasers Everywhere Alternative

April Challenge 2020 Division 1

Strange Number, Squared Subsequences, Ready Bitwise, Leaked Answers (Challenge)

January Cook-Off 2020 Division 1

Profitable Paths, Range AND, Chefina and Sums

February Cook-Off 2020 Division 1

Must Be Divisible, Maximum Subsequence Sum, XOR Game, Chef and Pepperoni Pizza Again

March Cook-Off 2020 Division 1

Mysterious Sequence, Maximize Letter Beauty, Escape the Tree

April Cook-Off 2020 Division 1

Tower Counting, Simple Operations, Inversions in Permutations

May Cook-Off 2020 Division 1

Roads in Chefland

February Lunchtime 2020 Division 1

Secret Mission

March Lunchtime 2020 Division 1 (Unrated)

Maximize LCM, Strip in a Tree!

April Lunchtime 2020 Division 1

Positive Mex

May Lunchtime 2020 Division 1

Absolute Min Max, Convert the String, Tree difference

June Challenge 2020 Division 1

The Tom and Jerry Game!, Guessing Game

July Challenge 2020 Division 1

Missing a Point

June Lunchtime 2020 Division 1

Maximum AND, Gold Mining, Square Submatrices

SnackDown 2021 - Online Qualifiers

Lucky Number, Maximum Number Of Distinct Elements

SnackDown 2021 - Online Round 1A

Round Robin Ranks , Dance Moves, Equal Beauty, Min Max LCM

SnackDown 2021 - Online Pre-Elimination

Non-Decreasing Subsequence of size K, Good ranking, Product Pain, Guests like slippers

SnackDown 2021 - Online Elimination Round (Rated for all)

Random Convex Hull, Graduate Work Matters, Sorting Segments

April Lunchtime 2022 Division 1(Rated)

Modular Circular Permutations, Do Not Touch the MEX!!!, Secret Machine Mania, AND Palindromes

Total Problems Solved: 146

2150
(Div 1)
★★★★★
CodeChef Rating (Highest Rating 2321)
  • Inactive Global Rank
  • Inactive Country Rank

Badges

Contest Contender - Silver Badge

Contest Contender - Silver Badge

Received for participating in 25 Contests

Problem Solver - Bronze Badge

Problem Solver - Bronze Badge

Received for solving 50 Problems

Daily Streak - Bronze Badge

Daily Streak - Bronze Badge

Received for maintaining a streak of 5 days

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