Erekle Roinishvili

• Username: 6★erek1e
• Country:  United Kingdom
• Student/Professional:Student
• Institution:The Haberdashers' Aske's Boys' School Borehamwood, England
• 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: 24

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Starters 186 (Rated till 6 star)(2025-05-14 22:30:00)

Global Rank:   20

Cheated in:   

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(2025-05-14 22:30:00)

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2283 (-130)RatingProvisional
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June Cook-Off 2022 Division 1 (Rated)(2022-12-20 00:00:00)

Global Rank:   32

Cheated in:   

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(2022-12-20 00:00:00)

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Learning Paths (0)

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Contests (24)

January Challenge 2020 Division 2

Doraemon, Chef and Dynamo, Breaking Bricks, Equality

February Challenge 2020 Division 2

The Theatre Problem, School of Geometry, Hard Cash

January Cook-Off 2020 Division 2

Chef Chick, Exam Cheating, Range AND

September Challenge 2020 Division 2

Coronavirus Spread 2, Ada Matrix, Find XOR, Chef and Trump Cards, A Problem on Sticks, Chefina and Swap

October Challenge 2020 Division 1

Positive AND, Replace for X, Covid Run, Chef and Easy Queries

November Challenge 2020 Division 1

Restore Sequence

December Cook-Off 2020 Division 1

Self-Destructing Strings, Sed Passwords, Circle of Chaos, Carry All Fruits

December Lunchtime 2020 Division 1 (Unrated)

K-Tuple Tree, One Zero Swaps, Three Letters

November Cook-Off 2020 Division 1

Flip the String, Chef and IPC Certificates, Graph Construction, Set Queries, Hiring Workers

November Lunchtime 2020 Division 1

Gasoline

September Lunchtime 2020 Division 1

Watermelon, Robot Detector, Root the Tree, GCD operations

UWCOI 2021 (Rated for all)

Array Swaps, Efficient Delivery, Hidden Numbers

April Lunchtime 2022 Division 1(Rated)

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

May Cook-Off 2022 Division 1 (Rated)

Different Subarrays Rearrange, Triple Inversions

June Cook-Off 2022 Division 1 (Rated)

Split AND Sum, Prefix Suffix Distinct, Throw and Take, Simple XOR

Starters 70 Division 1 (Rated till 6-stars)

Minimum distance between 1s, Strange Bitwise Operation, X AND Y Tree, Two Counters, Prime Reversal, Frequency Array Retrieval, Cost of Groceries

Starters 85 Division 1 (Rated till 6 stars)

TripTastic, Bomb Blast, GCD Queries, Efficient PAN Linking, Crazy Bishops on Chessboard

Starters 93 Division 1 (Rated for All)

Thank U, Next, NASA, Bloodline, Motive

Starters 95 Division 1 (Rated till 6 Stars)

Chef and Moves of GCD, Partition and Maximize, Boxes, Transfusion Chain, Break This Array

Starters 100 Division 1 (Rated)

Ant, Stamps 100, Prime Permutation, Concussive Sequence

September Short 2023 Division 1 (Unrated)

GCD Discount, Ultimate Fencing, Lucky Seven, Slow Start, Mixing Extraordinaire

Starters 130 Division 1 ( Rated till 6-Stars)

Updating A, Make Equal, Good Binary String

Starters 144 Division 1 (Rated)

Largest K, Minimise Inversions, Find P

Starters 152 (Rated till 6 stars)

Alien Operation, Completion (Hard), Maximize Hamming Distance, Completion (Easy), Anti-Palindrome Queries

Starters 183 (Rated till 6 star)

Arbitrary Shuffling, Complete MST, S to T

Starters 186 (Rated till 6 star)

Distinct Arrays , Segment Tree Reconstruction, Mod and Make Y

Total Problems Solved: 119