خالد بن الوليد

• Username: 1★khalid63
• Country:  Egypt
• Student/Professional:Student
• Institution:Faculty of Engineering, Alexandria University Egypt
• 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: 21

Current Ratings Graph Old Ratings Graph

1238 (-42)RatingProvisional
Rating i Provisional Rating, click to know more

October Challenge 2020 Division 2(2020-10-12 15:00:02)

Global Rank:   20954

Cheated in:   

Ratings System Update

(2020-10-12 15:00:02)

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?

1238 (+10)RatingProvisional
Rating i Provisional Rating, click to know more

October Challenge 2020 Division 2(2022-12-20 00:00:00)

Global Rank:   20954

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 (21)

November Cook-Off 2018 Division 2

Truth and Dare

December Challenge 2018 Division 2

Chef and Interactive Contests, Chef and An Ideal Problem

November Lunchtime 2018 Division 2

Event

February Challenge 2019 Division 2

Guess It Right, Chef and Magical Jars, Chef and Secret Ingredients, Appy and Contest, (Challenge) Chef with Orchestra in the Kitchen, Art of Balance, Deputy Chef

April Challenge 2019 Division 2

Maximum Remaining, Fencing, Subtree Removal, Friend or Girlfriend, Playing with Numbers

April Cook-Off 2019 Division 2

Making a Meal, Chef Learning Hungarian Algorithm

May Challenge 2019 Division 2

Reduce to One

June Challenge 2019 Division 2

Road Signs, Chef and Proxy, Guddu on a Date, Chef and Ingredients

June Cook-Off 2019 Division 2

Multiple Choice Exam, Eat Twice

July Challenge 2019 Division 2

Guess the Prime!, Parity Again, Minimum and Maximum, Chef and Mean

August Challenge 2019 Division 2

Guddu and his Mother, Dilemma, Maximize an Expression, Football, Distribute Apples

August Lunchtime 2019 Division 2

Eidi Gift

September Challenge 2019 Division 2

Easy Fibonacci

October Lunchtime 2019 Division 2

Khaled in HIT, Counting Inversions Revisited

November Challenge 2019 Division 2

Hard Sequence, Weapon Value

Dementia 2019 (Rated for Division 2)

When to take medicine

January Challenge 2020 Division 2

Chef and Dynamo, Doraemon, Chefina and Prefix Suffix Sums, Breaking Bricks

July Challenge 2020 Division 2

Missing a Point

Total Problems Solved: 57