irshad

• Username: 4★irri
• Country:  Bangladesh
• Student/Professional:Student
• Institution:Bangladesh University of Engineering and Technology
• 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: 21

Current Ratings Graph Old Ratings Graph

1935 (-95)RatingProvisional
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Starters 72 Division 1 (Rated till 5-Stars)(2023-01-04 23:00:00)

Global Rank:   128

Cheated in:   

Ratings System Update

(2023-01-04 23:00:00)

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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1957 (-73)RatingProvisional
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June Challenge 2020 Division 1(2022-12-20 00:00:00)

Global Rank:   1057

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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Learning Paths (0)

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Practice Paths (0)

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Contests (21)

December Challenge 2017

Penalty Shoot-out, Chef And his Cake

January Challenge 2018

Rectangle

January Cook-Off 2018

Multiple of 3, Survive in ChocoLand

March Challenge 2018 DIV 2

Pishty and Triangles, Chef and Easy Problem, A Big Sale, Mix the Colors, Chef and Glove, Minions and Voting, Minion Chef and Bananas

May Challenge 2018 Division 1

Dibs on Fibs

June Challenge 2018 Division 2

Binary Shuffle, Naive Chef, Sheokand and String, Vision, Two Flowers

December Challenge 2018 Division 1

(Challenge) Delete DAG, Max and Electrical Panel, Directing Edges, Chef and Interactive XOR

April Challenge 2019 Division 1

Kira Loves Palindromes, Playing with Numbers, Subtree Removal

May Cook-Off 2019 Division 1

Misha and Nice Sets, Bitsetbaba and Power Grid, Expected Xor

August Challenge 2019 Division 1

Chef and Gordon Ramsay, Maximize an Expression, Dilemma, Guddu and his Mother, Encoding

October Challenge 2019 Division 1

Even Edges, Chef and Maximum Star Value, Array Modification

January Challenge 2020 Division 1

Chef and Dynamo, Chefina and Prefix Suffix Sums, English

May Challenge 2020 Division 1

Buying a New String, Triple Sort, Binary Land, Sorting Vases, Chef and Rainbow Road, Chef and Bitwise Product

May Cook-Off 2020 Division 1

Chefina on a Trip, Roads in Chefland, Chef, Chefina and Their Friendship

March Lunchtime 2020 Division 1 (Unrated)

Maximize LCM, Strip in a Tree!

April Lunchtime 2020 Division 2

Triangle Query, Another Birthday Present!, Positive Mex, Chef in Fantasy League

June Challenge 2020 Division 1

The Tom and Jerry Game!

SnackDown 2021 - Online Qualifiers

Lucky Number

Starters 70 Division 2 (Rated)

Minimum distance between 1s, X AND Y Tree, Prime Reversal, Frequency Array Retrieval

Starters 72 Division 1 (Rated till 5-Stars)

N Triplets

Total Problems Solved: 84