Jungseok Lee

• Username: 4★jungseok
• Country:  South Korea
• Student/Professional:Professional
• Organisation:N/A
• 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: 18

Current Ratings Graph Old Ratings Graph

1827 (-26)RatingProvisional
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November Challenge 2015(2015-11-16 15:00:00)

Global Rank:   1834

Cheated in:   

Ratings System Update

(2015-11-16 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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1827 (+183)RatingProvisional
Rating i Provisional Rating, click to know more

November Challenge 2015(2022-12-20 00:00:00)

Global Rank:   1834

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 (18)

January Challenge 2014

Please like me, Chef and Feedback, Bon Appetit

February Challenge 2014

Make Him Happy, Longest Common Pattern, Little Elephant and Subarrays, Colored Array

March Challenge 2014

Walk, Little Chef and Numbers, Team Split

April Challenge 2014

Sereja and Permutation, Counting Matrices, Farmer Feb, Chef and Digits, Shortest Path in Binary Trees

May Challenge 2014

Chef-jumping, Stone, Chef and Strange Matrix, Compilers and Parsers

June Challenge 2014

Chef and Digit Jumps, Chef and Subarray, Guessing Game, Forgot Password

July Challenge 2014

Garden Game, Chef and Frogs, Count Substrings, Reach The Point

August Challenge 2014

Chef and Reversing, The Leaking Robot, Chef and Gift

September Challenge 2014

Factorisation, Fun with Rotation, Chef and Rainbow Array - 2, Chef and Left-Right

October Challenge 2014

Remy paints the fence, Chef and Ground, Chef and Square, Magical Girl and Colored Liquid Potions, DevuLand, Dinosaurs and Laddus

November Challenge 2014

Chef and Segment Game, Chef and Words, Distinct Characters Subsequence, Chef and Red Black Tree, Let us construct palindrome

January Lunchtime 2014

Chef and Shop

January Challenge 2015

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

February Challenge 2015

Chef and Chain, Chef and Strange Formula, Let us play with rank list, Chef and Equality

March Challenge 2015

Count Substrings, Chef and Notebooks, Sign Wave

July Challenge 2015

Bread, Na2a and lucky stone, Chef and Cube

November Challenge 2015

Chef and cakes

Total Problems Solved: 84