Kaidul Islam

• Username: 4★kaidul
• Country:  Bangladesh
• Student/Professional:Professional
• Organisation:Ipvision Canda Inc
• 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

1939 (+7)RatingProvisional
Rating i Provisional Rating, click to know more

May Cook-Off 2017(2017-05-22 00:00:00)

Global Rank:   217

Cheated in:   

Ratings System Update

(2017-05-22 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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1939 (+55)RatingProvisional
Rating i Provisional Rating, click to know more

May Cook-Off 2017(2022-12-20 00:00:00)

Global Rank:   217

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 (23)

March Cook-Off 2014

Dividing Stamps

February Challenge 2014

Little Elephant and Movies, Little Elephant and Subarrays, Longest Common Pattern, Draughts, Make Him Happy

March Challenge 2014

A Story with Strings, Mike and Stamps, Little Chef and Numbers, Maximum number, GCD condition, Walk, Binary Tournament, Team Split

May Challenge 2014

Little Elephant and Balloons, Compilers and Parsers, Chef-jumping, Chef and Strange Matrix, Stone

January Challenge 2015

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

June Challenge 2015

Chef and Memory Limit

April Challenge 2016

Help Watson Escape, Chef and Ballons, Chef And Magical Path, Chef And Coloring

March Cook-Off 2016

Digital clock, Dual Nim, Alternating subarray prefix

April Cook-Off 2016

Movie Weekend, Odd Divisors

October Cook-Off 2016

Sherlock and the Ugly Flower, Watson asks Does Permutation Exist, ChefWatson uses Social Network

December Cook-Off 2016

Chef and Subset, Chef and Subarrays

October Lunchtime 2016

The Largest Bouquet

November Lunchtime 2016

Chef and his Students

December Lunchtime 2016

Superheroes and villains

January Challenge 2017

Capital Movement, Cats and Dogs

January Cook-Off 2017

Digit Longest Increasing Subsequences 2

February Cook-Off 2017

Download file, Chairs

January Lunchtime 2017

Nothing in Common

February Lunchtime 2017

Bear and House Queries, Bear and Milky Cookies

April Challenge 2017

Dish Of Life, Similar Dishes

May Challenge 2017

Chef and Sub Array , Chef and his daily routine, Courses in an university, Blocked websites, Median of adjacent maximum numbers, Chef and Subsequences

March Cook-Off 2017

Safe Robot

May Cook-Off 2017

La Liga, Balanced Array

International Coding League (Rated)

Cards Game, Worst Case Analysis

Total Problems Solved: 81