Asifur Rahman

• Username: 5★ghost_2
• Country:  Bangladesh
• Student/Professional:Student
• Institution:University of Rajshahi 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: 25

Current Ratings Graph Old Ratings Graph

2047 (-22)RatingProvisional
Rating i Provisional Rating, click to know more

Starters 98 Division 1 (Rated till 6 Stars)(2023-07-12 22:30:00)

Global Rank:   141

Cheated in:   

Ratings System Update

(2023-07-12 22:30:00)

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?

2012 (-90)RatingProvisional
Rating i Provisional Rating, click to know more

Starters 68 Division 1 (Rated till 5-stars)(2022-12-20 00:00:00)

Global Rank:   73

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 (25)

Code Ensemble (Rated for Division 2)

Help Martha, Priya and AND

January Challenge 2021 Division 3

Fair Elections, Chef and Division 3, Point Of Impact, Encoded String

April Lunchtime 2021 Division 2

A Special Tree, Chef in Heaven , Bench Press, Array Rotation

June Cook-Off 2021 Division 2

The Wave

October Cook-Off 2021 Division 2

Can You Reach The End, Odd Sum, 01 Subsequence

October Lunchtime 2021 Division 2

Exactly N plus 1 Values

November Cook-Off 2021 Division 2

Product Pain, Missing Sums, Make it Divisible

CodeChef Starters 17 Division 2 (Rated)

String Game, New Piece, Partition It, GCD of Prefixes, Binary Inversion

CodeChef Starters 19 Division 2 (Rated)

Indivisible Permutation, Distinct Elements

CodeChef Starters 20 Division 2 (Unrated)

Stable Sequence, Weird Values, Brutal-Xors

FizzBuzz Division 2 (Rated)

Substring Minimum Function, Can_Reach, Clean The Sequence, Magical Planks

November Lunchtime 2021 Division 2

Expected Weight, Rapid Re-Orderings

December Cook-Off 2021 Division 2

Median Minimization, Binary String Game, Musical Chairs, RGB Construction

Code Drive Division 2 (Rated)

Count Number of Peaks, Maximum Factors Problem, Sum this up, Again XOR problem

January Cook-Off 2022 Division 2

Mean Maximization, Subsegment Divisibility , Merged LIS, Palindromes Not Allowed

February Cook-Off 2022 Division 2

Perfect Permutation, PerMEXuation , Prefix Permutation

February Lunchtime 2022 Division 2

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

CodeChef Starters 28 Division 2 (Rated)

Travelling in the Graph, Permutation Xority, Interactive Tree, Count the Holidays, Interactive Tree 2

March Cook-Off 2022 Division 1

Dragonado And XOR, Alternating Divisibility

March Lunchtime 2022 Division 1

Separate Them All, Winter, Adjacency Love

Starters 64 Division 1 (Rated till 5-stars)

Luigi and Uniformity, Square Sort, Prime Factor Division, Distinct Neighbours

Starters 68 Division 1 (Rated till 5-stars)

Boring String, XOR Product, Interesting Array, Make Money

Starters 70 Division 1 (Rated till 6-stars)

Prime Reversal, Frequency Array Retrieval, Two Counters

Starters 74 Division 1 (Rated till 6-Stars)

Candies, Maximum Xor Sum, Distinct Values, Lcm hates Gcd, Minimal Inversions

Starters 96 Division 1 (Rated till 5 Stars)

Swap the numbers, Mex Array, Absolute Differences

Starters 98 Division 1 (Rated till 6 Stars)

3-Blast Palindrome, Ball Distribution

Total Problems Solved: 135