Saad Ahmed Sazan

• Username: 3★aab_9
• Country:  Bangladesh
• Student/Professional:Student
• Institution:University College London
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

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

Rating Graph

No. of Contests Participated: 9

Current Ratings Graph Old Ratings Graph

1687 (+43)RatingProvisional
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Starters 72 Division 2 (Rated)(2023-01-04 23:00:02)

Global Rank:   627

Cheated in:   

Ratings System Update

(2023-01-04 23:00:02)

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1563 (-15)RatingProvisional
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Starters 39 Division 3 (Rated)(2022-12-20 00:00:00)

Global Rank:   838

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

1%

Contests (9)

September Challenge 2020 Division 2

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

August Lunchtime 2020 Division 2

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

October Challenge 2020 Division 2

Positive AND, Covid Run, Chef and Easy Queries

October Lunchtime 2020 Division 2

AND Plus OR

March Challenge 2021 Division 2

Interesting XOR!, Space Arrays

Starters 39 Division 3 (Rated)

Compress the Video, Closest Vowels, Recent contest problems, A or B

Starters 70 Division 3 (Rated)

Cost of Groceries, Minimum distance between 1s, Prime Reversal, Frequency Array Retrieval

Starters 72 Division 2 (Rated)

N Triplets

Total Problems Solved: 42