Islam Gallam

• Username: 4★hardnut
• Country:  Kazakhstan
• Student/Professional:Student
• Institution:Nazarbayev University, Astana
• 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: 16

Current Ratings Graph Old Ratings Graph

1877 (+28)RatingProvisional
Rating i Provisional Rating, click to know more

March Challenge 2019 Division 2(2019-03-13 15:00:02)

Global Rank:   659

Cheated in:   

Ratings System Update

(2019-03-13 15:00:02)

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?

1877 (+66)RatingProvisional
Rating i Provisional Rating, click to know more

March Challenge 2019 Division 2(2022-12-20 00:00:00)

Global Rank:   659

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)

None

Practice Paths (0)

None

Contests (16)

October Lunchtime 2017

Maximum Number, Buggy Calculator

December Lunchtime 2017

Days in Month, Strange Function

January Challenge 2018

Maximum Score, Rectangle

February Cook-Off 2018

Chef and Cook-Off, Chef and Tuples, Chef and Line

September Mega Cook-Off 2018 Division 1

Make a Permutation

December Cook-Off 2018 Division 1

Yalalovichik Numbers, Yalalovichik Strings

September Challenge 2018 Division 1

Table Game, Bad Shuffle

December Challenge 2018 Division 1

Max and Electrical Panel, Chef and Interactive XOR

November Challenge 2018 Division 1

Chef, Primes and Trees (Challenge), Good Median, Chef and Ridges, Appy Loves One

October Challenge 2018 Division 1

Appy and Balloons , Minimize Digitsum, Chef and Surprise Chessboard

November Lunchtime 2018 Division 1

Useful Number, Beats and Pieces

ProCon 2018 (Rated for all)

The Great Run, Kill them with your success

January Challenge 2019 Division 1

Distinct Pairs

February Challenge 2019 Division 1

Guess It Right, Chef and Secret Ingredients, Art of Balance

March Challenge 2019 Division 2

Chef got Recipes, Chef and Number Game, Yet Again a Subarray Problem, Chef and a Beautiful Digit

Coders' Legacy 2019 (Rated for all)

IPL and RCB

Total Problems Solved: 41