Chong Wang

• Username: 4★wangchong756
• Country:  China
• Student/Professional:Professional
• Organisation:Amazon
• 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: 11

Current Ratings Graph Old Ratings Graph

1823 (+65)RatingProvisional
Rating i Provisional Rating, click to know more

May Lunchtime 2020 Division 1(2020-05-30 22:30:00)

Global Rank:   76

Cheated in:   

Ratings System Update

(2020-05-30 22:30:00)

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?

1823 (-210)RatingProvisional
Rating i Provisional Rating, click to know more

May Lunchtime 2020 Division 1(2022-12-20 00:00:00)

Global Rank:   76

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 (11)

September Challenge 2016

Faded Palindromes, Chef and digits of a number

March Lunchtime 2016

Simple Statistics

August Lunchtime 2016

Studying Alphabet

October Lunchtime 2016

The Largest Bouquet

November Lunchtime 2017

Smart Strategy

February Lunchtime 2018

Jumping in the hills

March Challenge 2018 DIV 2

Chef and Easy Problem, A Big Sale, Mix the Colors, Chef and Glove, Minions and Voting, Minion Chef and Bananas

May Challenge 2018 Division 2

Minimum Deletions, Dibs on Fibs, Fake Binary Search, Xor Again, Mighty Friend

October Challenge 2018 Division 2

Chef and Serves, Byte to Bit

August Lunchtime 2019 Division 2

Eidi Gift, Destroy Cells, Chef and Trip

May Lunchtime 2020 Division 1

Absolute Min Max, Convert the String

SnackDown 2021 - Online Qualifiers

Lucky Number

SnackDown 2021 - Online Round 1B

Queens Placement , Largest Laddu, Help Nishant

Total Problems Solved: 41