Cheng

• Username:1★luncy123
• Country:  United States
• Student/Professional:Student
• Institution:American High School 36300 Fremont Blvd, Fremont, CA 94536, United States
• CodeChef Pro Plan: No Active Plan. View Details

Activity Heat Map

Last 6 Months 2025 (Jan-Jun)2024 (Jul-Dec)2024 (Jan-Jun)

Rating Graph

No. of Contests Participated: 5

Current Ratings Graph Old Ratings Graph

1315 (+53)RatingProvisional
Rating i Provisional Rating, click to know more

Starters 60 Division 4 (Rated)(2022-10-12 23:00:06)

Global Rank:   4126

Cheated in:   

Ratings System Update

(2022-10-12 23:00:06)

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?

1315 (-39)RatingProvisional
Rating i Provisional Rating, click to know more

Starters 60 Division 4 (Rated)(2022-12-20 00:00:00)

Global Rank:   4126

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)

Practice Paths (1)

Practice for ZCO and INOI

0%

Contests (5)

November Challenge 2021 Division 3 (Rated)

Weird Palindrome Making, Equal Coins, Which Fuel is Cheaper

January Long 2022 - I, Division 3 (Rated)

Keplers Law, Covid Spread

August Long 2022 Division 3 (Rated)

Sale Season, Two Trains, Make A and B equal

October Long 2022 Division 4 (Rated)

Podium Finish, Minimum Pizzas, Building Race

Starters 60 Division 4 (Rated)

Tax in Chefland, Paper Cutting, Palindrome Flipping, Card Removal

Total Problems Solved: 20