Roman Hultaichuk

Rookie League

• Username: 4★gultai4uk_r
• Country:  Ukraine
• Student/Professional:Professional
• Organisation:
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

Last 6 Months 2026 (Jul-Dec)2026 (Jan-Jun)2025 (Jul-Dec)2025 (Jan-Jun)

Rating Graph

No. of Contests Participated: 41

Current Ratings Graph Old Ratings Graph

1875 (-22)RatingProvisional
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Starters 246 (Rated)(2026-07-08 22:00:02)

Global Rank:   486

Cheated in:   

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(2026-07-08 22:00:02)

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1949 (-38)RatingProvisional
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Starters 65 Division 1 (Rated for 5 & 6 stars)(2022-12-20 00:00:00)

Global Rank:   159

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

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Learning Paths (0)

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Practice Paths (0)

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Contests (41)

May Challenge 2015

Chef and new recipe

July Lunchtime 2015

Greedy puppy, Puppy and game

International Coding League (Rated)

Cards Game, Worst Case Analysis

November Cook-Off 2018 Division 1

Beautiful Garland

ALKHWARIZM (Rated)

Help Voldemort, Sam, The Charming Angel

Insomnia 2018 (Rated)

Split Sums, Strange Swaps

Code Melange (Rated)

XD Subsequences, CPI Crisis, The Deadly Sin, Candy Love

Coders' Legacy 2018 (Rated)

Useless Clocks, Fibonacci String

Quick Code (Rated for Division 2)

Immortal Frieza, Majin Vegeta, Dr Geros lab

Replay of Indian IOITC 2018 #2 (Rated)

Exact Walks

ProCon 2018 (Rated for all)

The Great Run, Kill them with your success

Plinth-Enigma'19 LNMIIT Techfest - (Rated for all)

XOR! Wait for it, Return of the Gargoyle King

March Cook-Off 2019 Division 1

XOR N-bonacci Sequence, Markers and Caps

Coders' Legacy 2019 (Rated for all)

Bathwater, IPL and RCB

August Cook-Off 2019 Division 1

Rich Substrings

November Cook-Off 2019 Division 1

The Biggest Restaurant

Alkhwarizm (Rated for all)

Weirwood Trees, Danny Wants To Know

Code Melange (Rated for all)

Greg and Grid, A Small Array, Go Round, Longest Xommon Subsequence, Max power

January Cook-Off 2020 Division 1

Range AND, Chefina and Sums

March Cook-Off 2020 Division 1

Mysterious Sequence, Maximize Letter Beauty

April Cook-Off 2020 Division 1

Tower Counting, Simple Operations

May Cook-Off 2020 Division 1

Chef, Chefina and Their Friendship, Roads in Chefland

February Lunchtime 2020 Division 1

Swapping to Palindrome

May Lunchtime 2020 Division 1

Convert the String

Exun Programming Prelims 2019 (Rated for all)

Weird Modulo Problem , Tennis Tournament, Chipped Tree, Yet Another Partition Problem

ENIGMA - PLINTH'20 LNMIIT (Rated for all)

Cumulative Palindrome Count, Minion AND Range, Recruit Villagers

UWCOI 2020 (Rated for all)

Button Pairs, Find maximum in an Array

June Cook-Off 2020 Division 1

Per Capita Income, Checkpoints

June Lunchtime 2020 Division 1

Maximum AND

RECode 12.0 (Rated for all)

Chef and String, Chef and Walk, Chef and Rotation, Chef and Numbers

Coders' Legacy (Rated for all)

Chef vs Doof, Doof on Cartesian

Byterace IIT Patna Division 2 (Rated)

Angry Cyborg, The Begining Era Of Cyberverse, Cybalphabit, Batteries Needed!

March Cook-Off 2021 Division 2

Consecutive Deletions, Chef and Sorting, Matrix XOR, Guess the Number

March Lunchtime 2021 Division 1

Uniform, Lunchtime

SnackDown 2021 - Online Qualifiers

Lucky Number, Maximum Number Of Distinct Elements

September Lunchtime 2021 Division 1

Alice vs Bob Faceoff

SnackDown 2021 - Online Round 1B

Insider Subsequences, Queens Placement , Largest Laddu, Help Nishant

SnackDown 2021 - Online Pre-Elimination

Non-Decreasing Subsequence of size K, Product Pain

SnackDown 2021 - Online Elimination Round (Rated for all)

Graduate Work Matters, Sorting Segments

Code: Nium Challenge

Alphabet Difference, Divide Students Into Classes, Queries in an Array

Code Drive Division 1 (Unrated)

Sum this up, Again XOR problem, Maximum Factors Problem, Count Number of Peaks

Starters 62 Division 1 (Rated for 5 & 6 stars)

Sorted Substrings, Make Multiple

Starters 65 Division 1 (Rated for 5 & 6 stars)

Nahaane Jaa, Binod

Starters 173 (Rated upto < 2700)

Cool Subsequences, Time Penalty

Starters 246 (Rated)

Waiting (Easy), Waiting (Hard), Red Yellow Cards, Plant

Starters 248 (Unrated)

Average Survival, Swap Small

Total Problems Solved: 557