Hsin-Yi, Wang

• Username: 6★hiwang123
• Country:  Taiwan
• Student/Professional:Professional
• Organisation:Google
• 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: 16

Current Ratings Graph Old Ratings Graph

2284 (-25)RatingProvisional
Rating i Provisional Rating, click to know more

SnackDown 2021 - Online Elimination Round (Rated for all)(2021-12-13 16:30:00)

Global Rank:   244

Cheated in:   

Ratings System Update

(2021-12-13 16:30:00)

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?

2284 (+134)RatingProvisional
Rating i Provisional Rating, click to know more

SnackDown 2021 - Online Elimination Round (Rated for all)(2022-12-20 00:00:00)

Global Rank:   244

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 (16)

March Challenge 2015

Chef and Notebooks, Count Substrings, Matrix, Sign Wave, Sereja and Random Array, Devu and his Class

April Challenge 2015

Count Sequences, Chef and Array, Chef and Interview, Broken Telephone, Inversion sorting, Division of Lands, Chef and Piano Scales

June Challenge 2015

Chef and Polygons, Chef and String, Anticommutative implication, Chef and Memory Limit, Chef and His Friend, Steady tables, Sereja and Matrix Division

February Challenge 2016

Sereja and Two Lines, Chef and Strange Operations, Devu and a light discussion, Rectangles of Love, Chef-Detective, Matrix Maximum Sum, Call Center Schedule

April Challenge 2016

Amazing Experiment, Chef And Coloring, Chef And Magical Path, Devu and good strings, Fibonacci Queries, Help Watson Escape, Chef and Ballons

January Challenge 2017

Tourists in Mancunia, Reservior, Digits Cannot Separate, Fantastic Four, Chef and Circle, Cats and Dogs, Capital Movement

March Challenge 2017

Cooking Schedule, Xenny and Alternating Tasks, Pishty and birthday, Bear and Extra Number, (CH) Bear and Sorted Rows, Bandwidth of a matrix

July Challenge 2017

IPC Trainers, Calculator , Whats in the Name, Pishty and tree, Tree Expectancy, Chef and Sign Sequences

August Long Challenge 2017

Chef and Rainbow Array, Chef And Fibonacci Array, Chef and Mover, Palindromic Game, Greedy Candidates, Strings and Graphs

March Challenge 2018 DIV 1

Pishty and Triangles, Chef and Easy Problem, Chef and Gcd Queries, Mix the Colors, Minions and Voting

April Challenge 2018 Division 1

Chef and Array (Challenge), Chef and Same Old Recurrence 2, Count Good Prefixes, Chef and Same Old Recurrence, Highway Crossing, Cutting Plants

May Challenge 2018 Division 1

S-T Mincut, Change the Signs, Fake Binary Search, Dibs on Fibs

Dementia (Rated for Division 2)

Chef and Replication, Strings, Pappu and DFS

January Challenge 2020 Division 1

Chef and Dynamo, Doraemon, Doofish Matrix, Chefina and Prefix Suffix Sums, English, Chefland Army, (Challenge) Building Anthills

July Challenge 2020 Division 1

Doctor Chef, Missing a Point, Chef and Dragon Dens, Chefina and Swaps, LCM Constraints

SnackDown 2021 - Online Qualifiers

Lucky Number, Maximum Number Of Distinct Elements, Minimise Difference

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

Total Problems Solved: 112