Ahmed Rafsanzani

• Username: 4★rafsanzani
• Country:  Bangladesh
• Student/Professional:Student
• Institution:Sylhet Engineering College, Bangladesh
• 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: 19

Current Ratings Graph Old Ratings Graph

1813 (+25)RatingProvisional
Rating i Provisional Rating, click to know more

Starters 71 Division 2 (Rated)(2022-12-28 23:00:02)

Global Rank:   447

Cheated in:   

Ratings System Update

(2022-12-28 23:00:02)

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?

1818 (-29)RatingProvisional
Rating i Provisional Rating, click to know more

Starters 69 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   182

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)

None

Practice Paths (0)

None

Contests (19)

CodeChef Starters 22 Division 2 (Rated)

Even Subset Xor, An Interesting Sequence, Equal LIS

January Long 2022 - I, Division 3 (Rated)

Keplers Law, Prime in a binary string, Retrieve back the Array, Covid Spread, Chef and Riffles

SnackDown 2021 - Final Round Parallel Contest (Unrated)

Ones Guessing

Exun 2021-22 Division 2 (Rated)

Aujasvit and the Circle Game, Vedant and his Hidden Array, Sarthak and his Magic Grid

January Cook-Off 2022 Division 2

Palindromes Not Allowed, Mean Maximization, Subsegment Divisibility

CodeChef Starters 23 Division 2 (Unrated)

Average of Three, Subarray Mex, Maximising Vacations

January Lunchtime 2022 Division 2

Subarray permutations, Permutation XOR Sum, Prefix Zeros

CodeChef Starters 24 Division 2 (Rated)

Anti Palindrome, Avoid Contact, Divisors and Reciprocals, Yet Another Constructive Problem

CodeChef Starters 25 Division 2 (Rated)

Building Towers, Equal MEX, Points and Lines

February Cook-Off 2022 Division 2

Perfect Permutation, PerMEXuation , Prefix Permutation

CodeChef Starters 26 Division 2 (Unrated)

Careless Chef, Control the Pollution

February Lunchtime 2022 Division 2

Magnet Sort, Parallel Processing, Four Equidistant Points on a Grid

CodeChef Starters 28 Division 2 (Rated)

Permutation Xority, Count the Holidays

CodeChef Starters 29 Division 2 (Rated)

String protocol, Plusle and Minun on Array, Decomposition Reaction

CodeChef Starters 30 Division 2 (Rated)

Minimum Coloring, Gift Shop and Coupon, Balanced Reversals

March Cook-Off 2022 Division 2

Fixed Weight, Janmansh at Fruit Market, Equal Mex Splitting, Alternating Divisibility

CodeChef Starters 31 Division 2 (Rated)

The Unchanging OR, Sign Moves, XOR and AND, Alternating String

Starters 65 Division 2 (Rated)

Nahaane Jaa, Candies, Binod

Starters 67 Division 2 (Rated)

Maximum Angriness, Musical Rods, Expensive Steps , Counting Problem

Starters 69 Division 2 (Rated)

Akash and Dinner, Longest Subarray, Distinct Sequence

Starters 70 Division 2 (Rated)

Minimum distance between 1s, Prime Reversal, Frequency Array Retrieval

Starters 71 Division 2 (Rated)

Pet Store, Flip the Prefix, Maximizing LCS

Total Problems Solved: 72