Mehedi Hasan

• Username: 3★mehedi_75
• Country:  Bangladesh
• Student/Professional:Student
• Institution:Shahjalal University of Science & Technology Sylhet, 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: 23

Current Ratings Graph Old Ratings Graph

1693 (+34)RatingProvisional
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Starters 166 (Rated)(2024-12-25 22:00:02)

Global Rank:   312

Cheated in:   

Ratings System Update

(2024-12-25 22:00:02)

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1581 (+12)RatingProvisional
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Starters 67 Division 3 (Rated)(2022-12-20 00:00:00)

Global Rank:   936

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)

1600 to 1800 difficulty problems

1%

Contests (23)

Starters 44 Division 4 (Rated)

Air Hockey, Biryani classes

June Lunchtime 2022 Division 4 (Rated)

Too many Floors, Determine the Score, It is My Serve

June Long Two 2022 Division 4 (Rated)

Count the ACs, Make all equal using Pairs, Complementary Strand in a DNA, Fitness

Starters 45 Division 4 (Rated)

Chef and his Apps, Best of Two, Change Row and Column Both

Starters 54 Division 4 (Rated)

Equal Distinct, Number of Credits, Ticket Fine, Team of Two

September Long 2022 Division 4 (Rated)

Interesting Subarray, Good Pairs, Bob at the Bank, Speed Limit Test, Chef and Wire Frames

October Long 2022 Division 4 (Rated)

Podium Finish, Minimum Pizzas, Binary Substituition, Building Race, Single Operation Part 1, Single Operation Part 2

Starters 60 Division 3 (Rated)

Distinct Numbers, Card Removal, Palindrome Flipping, Paper Cutting, Yet Another Palindrome Problem

Starters 66 Division 3 (Rated)

Good Binary Strings, Binary Battles, Monopoly in Chefland

Starters 67 Division 3 (Rated)

Counting Problem, Expensive Steps , Maximum Angriness, Minimum Number of Ones

Starters 70 Division 3 (Rated)

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

Starters 73 Division 2 (Rated)

Consecutive Xor, Append for OR

Starters 92 Division 2 (Rated)

Rectangular Tiling, Distance Coloring, Dotify Playlist

Starters 94 Division 2 (Rated)

CodeChef Streak, Possible or Not, The Vowel Matrix

Starters 98 Division 2 (Rated)

3-Blast Palindrome, Airport Management, Ball Distribution

Starters 120 Division 2 (Rated)

Sub or Swp, Count Subarrays

Starters 135 Division 2 (Rated)

Invert And Equalize

Starters 140 Division 2 (Rated)

Make Permutation, Split Permutation, Trick Or Treat, Break The String

Starters 147 Division 2 (Rated till 5 stars)

Gold Coins 101, Non-Primes 101, Independence Day 101, Truth Teller And Liars 101

Starters 157 (Rated)

Small, Smaller, Smallest, Not-too-far Replacement

Starters 163 (Rated)

Nice Array, Minimum Types

Starters 166 (Rated)

Distinct Power, Divisors Array (Easy Version), Costly Permutations, Chefland Library

Total Problems Solved: 100