Al Asad Nur Riyad

• Username: 4★nur_riyad
• Country:  Bangladesh
• Student/Professional:Student
• Institution:International Islamic University Chittagong Bangladesh
• 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: 32

Current Ratings Graph Old Ratings Graph

1804 (-18)RatingProvisional
Rating i Provisional Rating, click to know more

January Challenge 2021 Division 2(2021-01-11 15:00:02)

Global Rank:   1951

Cheated in:   

Ratings System Update

(2021-01-11 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?

1804 (-49)RatingProvisional
Rating i Provisional Rating, click to know more

January Challenge 2021 Division 2(2022-12-20 00:00:00)

Global Rank:   1951

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 (32)

December Challenge 2018 Division 2

Chef and An Ideal Problem, Chef and Interactive Contests

January Challenge 2019 Division 2

Lucky Number Game, Fancy Quotes

February Challenge 2019 Division 2

Chef and Magical Jars, Chef and Secret Ingredients, Appy and Contest, Deputy Chef

March Challenge 2019 Division 2

Chef got Recipes, Chef and Number Game, Chef and a Beautiful Digit

April Challenge 2019 Division 2

Maximum Remaining, Fencing, Friend or Girlfriend

April Cook-Off 2019 Division 2

Making a Meal, Chef Learning Hungarian Algorithm

May Challenge 2019 Division 2

Matches, Reduce to One, Where to Build the Roads

July Challenge 2019 Division 2

Parity Again, Minimum and Maximum, Chef and Mean

August Challenge 2019 Division 2

Dilemma, Zombie and the Caves, Distribute Apples, Football, Guddu and his Mother

August Lunchtime 2019 Division 2

Eidi Gift

September Challenge 2019 Division 2

Chef and Good Subsequences, Easy Fibonacci, Chef and Interesting Subsequences

October Challenge 2019 Division 2

Chef and Maximum Star Value, Array Modification, Operations on a Matrix, Phone Prices

October Mega Cook-Off 2019 Division 2

Medel, D-Or, Cakewalk

November Challenge 2019 Division 2

Physical Exercise, Hard Sequence, Weapon Value

November Cook-Off 2019 Division 2

Chef Diet

November Lunchtime 2019 Division 2

Planting Trees, Compress the List

December Challenge 2019 Division 2

That Is My Score!, Addition, Binary XOR, Plus Multiply, Easy Subsequence Selection

December Cook-Off 2019 Division 2

Change It

December Lunchtime 2019 Division 2

Stupid Machine, Check Algorithm

January Challenge 2020 Division 2

Chef and Dynamo, Doraemon, Equality, Breaking Bricks

February Challenge 2020 Division 2

School of Geometry, Long Contest and Cook Off Overlaps, Hard Cash, The Theatre Problem, No Change Required, Chef and Railway Stations

January Cook-Off 2020 Division 2

Chef Chick, Exam Cheating

February Cook-Off 2020 Division 2

Maximum Subsequence Sum, XOR Game, Penalty Shoot-Out II, Tax Slabs

Biteration #2 (Rated for Division 2)

A - Books

ENIGMA - PLINTH'20 LNMIIT (Rated for all)

Minion AND Range, Recruit Villagers

August Challenge 2020 Division 1

Smallest KMP, Chef and Wedding Arrangements

September Challenge 2020 Division 2

Chefina and Swap, A Problem on Sticks, Chef and Trump Cards, Find XOR, Ada Matrix, Coronavirus Spread 2

August Cook-Off 2020 Division 1

Polygon Relationship

August Lunchtime 2020 Division 2

Game on a Strip, Ratings and Rankings, Mode of Frequencies

October Challenge 2020 Division 1

Positive AND, Replace for X

January Challenge 2021 Division 2

Watching CPL, Fair Elections

October Cook-Off 2020 Division 2

Split the Str Ing, Decreasing Srrnmieeda, Path-etic Sums, Yet Another Crossover Episode

Total Problems Solved: 201