Md Nurul Amin

• Username: 2★nion21
• Country:  Bangladesh
• Student/Professional:Student
• Institution:Noakhali Science and Technology University, Bangladesh
• CodeChef Pro Plan: No Active Plan. View Details

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

Rating Graph

No. of Contests Participated: 23

Current Ratings Graph Old Ratings Graph

1596 (-6)RatingProvisional
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Starters 83 Division 2 (Rated)(2023-03-29 22:30:02)

Global Rank:   1372

Cheated in:   

Ratings System Update

(2023-03-29 22:30:02)

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1562 (-26)RatingProvisional
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Starters 46 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   2084

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

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Contests (23)

CodeChef Starters 22 Division 3 (Rated)

Equal Card Game, Elections in Chefland, An Interesting Sequence

January Cook-Off 2022 Division 3

Palindromes Not Allowed, Mean Maximization, Subsegment Divisibility , Mask Policy, Hungry Ashish

January Lunchtime 2022 Division 3

Chef and Subset Additions, Chef and Lockout Draws, Subarray permutations

CodeChef Starters 24 Division 2 (Rated)

Avoid Contact, Yet Another Constructive Problem

February Long 2022 - I, Division 3 (Rated)

Binary Base Basics, Bitwise Blend, N Queens Puzzle Solved !, Chef and the Hair Salon

CodeChef Starters 25 Division 2 (Rated)

Building Towers, Points and Lines, Equal MEX

February Cook-Off 2022 Division 2

Perfect Permutation, PerMEXuation , Prefix Permutation

February Long 2022 - II, Division 2 (Unrated)

Avoid Fixed Points, Xor Palindrome

CodeChef Starters 26 Division 2 (Unrated)

Careless Chef, Control the Pollution

CodeChef Starters 27 Division 2 (Rated)

Distinct Binary Strings, The product mystery

February Lunchtime 2022 Division 2

Four Equidistant Points on a Grid, Parallel Processing

March Long One 2022, Division 3 (Rated)

Wordle, Substring of a Substring, Exact Marks, Akash and Function, Akash and Missing Class

CodeChef Starters 29 Division 3 (Rated)

String protocol, Plusle and Minun on Array, Bomb the base

March Cook-Off 2022 Division 2

Janmansh at Fruit Market, Equal Mex Splitting

March Lunchtime 2022 Division 3

Minimum number of coins, Adjacency Love, Buy 2 Get 1 Free, Sad Splits

CodeChef Starters 32 Division 2 (Rated)

Maximize the Minimum, Finding Shoes, Flip Sorting

April Cook-Off 2022 Division 2

Sticks and Rectangles

CodeChef Starters 33 Division 2 (Rated)

Distinct Dilemma, Make Them Equal, Non Adjacent Flips, Broken Life

CodeChef Starters 34 Division 2 (Rated)

Average Array

April Lunchtime 2022 Division 2(Rated)

Buckets Full of Candies, Pair Pain

Starters 35 Division 2 (Rated)

Dark Light

Starters 36 Division 2 (Rated)

Presents for Cheffina

Starters 46 Division 2 (Rated)

Sort the String

Starters 77 Division 3 (Rated)

Spreading Charges, Tekken, Concat Palindrome

Starters 83 Division 2 (Rated)

Construct String, Order by XOR

Total Problems Solved: 86