Jerry

• Username: 4★a551100kk
• Country:  Taiwan
• Student/Professional:Student
• Institution:National Taiwan University
• 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: 8

Current Ratings Graph Old Ratings Graph

1854 (-195)RatingProvisional
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April Challenge 2015(2015-04-13 15:00:00)

Global Rank:   5052

Cheated in:   

Ratings System Update

(2015-04-13 15:00:00)

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1854 (-25)RatingProvisional
Rating i Provisional Rating, click to know more

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

Global Rank:   5052

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 (8)

April Challenge 2014

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

July Challenge 2014

Count Substrings

November Challenge 2014

Sereja and Permutations, The Spelling Problem, Chef and Churu, Let us construct palindrome, Chef and Red Black Tree, Distinct Characters Subsequence, Sereja and Order, Fombinatorial, Chef and Words, Chef and Segment Game

December Challenge 2014

Sereja and GCD, Chef and Apple Trees, XOR with Subset, Alok-nath and His Sanskars, Chef Under Pressure, Chef and Bracket-Pairs

January Challenge 2015

Ranka, Gcd Queries, Xor Queries, One Dimensional Kingdoms, Sereja and Votes, Chef and Stones, Sereja and LCM, Chef and A Large Permutation, Sereja and Number Division 2, Queries on the String

February Challenge 2015

Chef and Chain, Time to Study Graphs with Chef, Chef and Strange Formula, Chef and Strings, Let us play with rank list, Xor Matrix, Chef and Equality

March Challenge 2015

Chef and Notebooks

April Challenge 2015

Broken Telephone

Total Problems Solved: 47