S. M. Ijaz-ul-Amin Chowdhury

• Username: 4★peind
• Country:  Bangladesh
• Student/Professional:Professional
• Organisation:Binate Solutions
• 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: 27

Current Ratings Graph Old Ratings Graph

1932 (+54)RatingProvisional
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April Challenge 2018 Division 2(2018-04-17 15:01:00)

Global Rank:   71

Cheated in:   

Ratings System Update

(2018-04-17 15:01:00)

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1932 (+61)RatingProvisional
Rating i Provisional Rating, click to know more

April Challenge 2018 Division 2(2022-12-20 00:00:00)

Global Rank:   71

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 (27)

May Challenge 2012

Killing Gs, Little Elephant and Median, Jewels and Stones, Lucky lucky number, Divisible Pairs, Remember the recipe, A Home for Chef

June Challenge 2012

Closest Points, Little Elephant and Product, Little Elephant and Candies, Doom Bakes Cakes, Arranging Cup-cakes

July Challenge 2012

Chef's Dream, My Fair Coins, Gift Rift

August Challenge 2012

Little Elephant and Bombs, Lucky Driving, Range of Data, Delivery Boy

March Challenge 2013

Tourist Translations, Approximately, Fire Escape Routes, Minesweeper

April Challenge 2013

Little Elephant and Music, Barcelona Gameplay Tactics, Kingdom Unity, Fault Tolerance, Maximum Weight Difference, Levy Conjecture

April Cook-Off 2013

Andrew and the Meatballs, Andrew and the Meatballs again

May Challenge 2013

Matchsticks, Witua and Math, Password Cracking Challenge, Name Reduction, Your Name is Mine, Field Trip

June Challenge 2013

To challenge or not, W String, Lapindromes

December Challenge 2013

Art in Digital Age, Chef and Codes, Funny Marbles, Magic Pairs, Reign, Rectangular Queries

April Cook-Off 2014

Snape and Ladder

April Challenge 2014

Sereja and Permutation, Counting Matrices, Farmer Feb, Chef and Digits, Divide the Tangerine, Shortest Path in Binary Trees

May Challenge 2014

Compilers and Parsers, Chef-jumping, Chef and Strange Matrix, Stone

June Challenge 2014

Chef and Digit Jumps, Chef and Subarray, Guessing Game, Forgot Password

July Challenge 2014

Count Substrings

August Challenge 2014

Little Elephant and T-Shirts, Chef and Reversing, The Leaking Robot, Chef and Gift

September Challenge 2014

Factorisation, Chef and Rainbow Array - 2, Chef and Left-Right, Chef and sequence, Fun with Rotation

October Challenge 2014

Remy paints the fence, Chef and Ground, Chef and Painting, Magical Girl and Colored Liquid Potions, DevuLand, Dinosaurs and Laddus

November Challenge 2014

Chef and Segment Game, Distinct Characters Subsequence, Chef and Red Black Tree, Let us construct palindrome

January Challenge 2015

Queries on the String, Sereja and Number Division 2, Chef and A Large Permutation, Chef and Stones, Sereja and Votes, One Dimensional Kingdoms, Gcd Queries

February Challenge 2015

Chef and Chain, Time to Study Graphs with Chef, Chef and Strange Formula, Chef and Strings, Let us play with rank list, Jigsaw Puzzle Solving, Chef and Equality

March Challenge 2015

Count Substrings, Chef and Notebooks

April Challenge 2015

Chef and Interview, Broken Telephone, Division of Lands, Chef and Piano Scales

June Cook-Off 2015

Strange operations

April Challenge 2018 Division 2

Chef and Array (Challenge), Cutting Plants, Weight of Numbers, Highway Crossing, Count Good Prefixes, Average of Pairs, Workers

Total Problems Solved: 114