Mohammad Samiul Islam

• Username: 5★forthright
• Country:  Bangladesh
• Student/Professional:Student
• Institution:North South University Dhaka, 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: 16

Current Ratings Graph Old Ratings Graph

2056 (-11)RatingProvisional
Rating i Provisional Rating, click to know more

September Challenge 2015(2015-09-14 15:00:00)

Global Rank:   652

Cheated in:   

Ratings System Update

(2015-09-14 15:00:00)

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?

2056 (+185)RatingProvisional
Rating i Provisional Rating, click to know more

September Challenge 2015(2022-12-20 00:00:00)

Global Rank:   652

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)

November Challenge 2012

Candy Collecting Game, Delicious Dishes, Sridhar Likes Travelling, Coin Flip, Jam Board

September Challenge 2013

Little Elephant and Exams, Merciless Chef, Cool Guys, Chef and Integers , Project Spoon, CAO Stage-1, CAO Stage-2, Sereja and Snake

October Challenge 2013

Helping Lira, Maxim and Dividers

November Cook-off 2013

Am I a Fibonacci Number, Rank of the Number

December Challenge 2013

Reign, Rectangular Queries, Funny Marbles, Chef and Codes, Magic Pairs

November Cook-Off 2014

Brackets, Petersen Graph

August Challenge 2014

Earthquake, Chef and Gift, Cleaning Tables, The Leaking Robot, Chef and Reversing, Little Elephant and T-Shirts, Mountain Holidays 2

November Challenge 2014

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

December Challenge 2014

Sereja and GCD, Chef and Apple Trees, Chef and Bracket-Pairs, Alok-nath and His Sanskars, Chef Under Pressure, XOR with Subset

October Lunchtime 2014

Tanu and Head-bob, And Tuples, Physics Class, Cascading Style Sheets

January Challenge 2015

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

June Challenge 2015

Chef and String, Chef and Polygons, Chef and His Friend, Steady tables, Chef and Memory Limit

July Challenge 2015

Addition and Multiplication, Bread, MasterChef, Na2a and lucky stone, Chef and Cube

August Challenge 2015

Devu And Churu , Chef and insomnia, Aditi and Magic Trick, Cooking Machine, Gravity Guy, Way Out

September Challenge 2015

Chain of Doughnuts, Nikitosh and xor, Count Steps in Matrix, Bank robbery, Lighthouses

August Cook-Off 2015

Chef and the Wildcard Matching

Total Problems Solved: 213