Andreas

• Username: 2★andhw
• Country:  United States
• Student/Professional:Student
• Institution:Columbia University in the City of New York USA
• 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: 15

Current Ratings Graph Old Ratings Graph

1499 (+47)RatingProvisional
Rating i Provisional Rating, click to know more

May Cook-Off 2022 Division 3 (Rated)(2022-05-01 23:00:04)

Global Rank:   180

Cheated in:   

Ratings System Update

(2022-05-01 23:00:04)

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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1499 (-124)RatingProvisional
Rating i Provisional Rating, click to know more

May Cook-Off 2022 Division 3 (Rated)(2022-12-20 00:00:00)

Global Rank:   180

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 (15)

February Long 2022 - I, Division 3 (Rated)

N Queens Puzzle Solved !, Chef and the Hair Salon, Binary Base Basics

CodeChef Starters 25 Division 3 (Rated)

Building Towers, Points and Lines, Fit in Data Type, Chef and His Fruit Stand

February Long 2022 - II, Division 3 (Rated)

Avoid Fixed Points, World Chess Championship, Chef and NextGen, Xor Palindrome

CodeChef Starters 26 Division 3 (Rated)

Careless Chef, Hostel Room, Count the Notebooks

February Lunchtime 2022 Division 3

Good Program, Parallel Processing, Watching Movies at 2x

CodeChef Starters 28 Division 3 (Rated)

Self Defence Training, Car Choice, Count the Holidays

March Long One 2022, Division 3 (Rated)

Wordle, Exact Marks, Substring of a Substring, Akash and Function, Akash and Missing Class

CodeChef Starters 29 Division 3 (Rated)

String protocol, Plusle and Minun on Array, Bomb the base

March Long Two 2022, Division 3 (Rated)

Chef and Races, Missing Numbers, The Rating Dilemma

April Cook-Off 2022 Division 3

Funny Hand

CodeChef Starters 33 Division 3 (Rated)

Make Them Equal, Non Adjacent Flips, Minimum Cars required, Distinct Dilemma

April Long One 2022, Division 3 (Rated)

Dazzling GCD Pair, Prime Sum, Dazzling AXNODR Challenge , The Cooler Dilemma 2, Pairwise Xors

April Lunchtime 2022 Division 3(Rated)

Mario and Bullet

April Long Two 2022 Division 3 (Rated)

Sasta Shark Tank, Best Coupon, Pseudo Sorted Array

May Cook-Off 2022 Division 3 (Rated)

Farmers League, Game of Pooks, Doubled Distances

Total Problems Solved: 52