Eftekhar Nahim

• Username: 2★eftekhar_nahim
• Country:  Bangladesh
• Student/Professional:Student
• Institution:Comilla University, 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: 23

Current Ratings Graph Old Ratings Graph

1460 (-17)RatingProvisional
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Starters 200 (Rated)(2025-08-20 23:00:04)

Global Rank:   2462

Cheated in:   

Ratings System Update

(2025-08-20 23:00:04)

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1628? (-35)RatingProvisional
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Starters 61 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   858

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 (23)

September Challenge 2021 Division 3 (Rated)

Shuffling Parities, XOR Equal, Travel Pass, Airline Restrictions

Starters 51 Division 3 (Rated)

Split N, Copy and Paste, Different Medians, TV Discount, Dominant Element

Starters 52 Division 2 (Unrated)

Minimum Sum, WA Test Cases

Starters 61 Division 2 (Rated)

Minimise LCS, Weird Subarrays

Starters 70 Division 2 (Rated)

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

Starters 94 Division 2 (Rated)

CodeChef Streak, Possible or Not, The Vowel Matrix

Starters 109 Division 2 (Rated)

Minimum XOR, Best of N Sets, Alter Ego

Starters 117 Division 2 (Rated)

Not Prime Permutation, Spell Shortening

Starters 128 Division 2 (Rated)

MEXimize the Array, Disjoint Non-Decreasing Array

Starters 137 Division 2 (Rated)

Large Differences

Starters 168 (Rated)

Make Odd, No Two Alike, Binary Removals

Starters 172 (Rated)

Transform String, Streak Star

Starters 175 (Rated)

Alternate It!, Make same

Starters 176 (Rated)

Same And, Clothing Store, Costly Summit

Starters 182 (Rated)

Bar Queue, Beautiful Garden

Starters 183 (Rated)

S to T, Larger Smaller, Max Triangle

Starters 184 (Rated)

One Down

Starters 193 (Rated)

Add Permutation, Count Odd Even Divisors

Starters 195 (Rated)

Failing Grades, Marble Collector

Starters 196 (Rated)

More Cookies

Starters 197 (Rated)

Good Ranking (Pair), All Odd Prefix Sums, Bowling Balls

Starters 198 (Rated)

Currency Exchange, Decoration Discount

Starters 199 (Rated)

Fence Colouring, Subtract or Divide, Brick Comparisions

Starters 200 (Rated)

Restrict Palindromes, Chef Bakes Cake, Good Subsequence

Total Problems Solved: 66