SK Izajur Rahaman

• Username: 6★izaj1999
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Technology Kharagpur West Bengal, India
• 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: 8

Current Ratings Graph Old Ratings Graph

2245 (-9)RatingProvisional
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February Lunchtime 2022 Division 1(2022-03-01 23:00:00)

Global Rank:   94

Cheated in:   

Ratings System Update

(2022-03-01 23:00:00)

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2245 (-34)RatingProvisional
Rating i Provisional Rating, click to know more

February Lunchtime 2022 Division 1(2022-12-20 00:00:00)

Global Rank:   94

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 (8)

December Challenge 2020 Division 2

Positive Prefixes, Hail XOR, Vaccine Distribution, Even Pair Sum, Vaccine Production

January Challenge 2021 Division 3

Fair Elections, Chef and Division 3, Point Of Impact, Encoded String

CodeChef Starters 21 Division 3 (Rated)

And Or Union, The Melancholy of Problem Setter, Mean equals Median, Covid and Theatre Tickets, ChefWM, Akash and Grid, Devendra and Water Sports

CodeChef Starters 22 Division 2 (Rated)

An Interesting Sequence, Even Subset Xor, Merging Binary Strings, Equal LIS

January Long 2022 - I, Division 2 (Unrated)

Chef and Riffles, Retrieve back the Array, Sequence Master, Prime in a binary string

January Long 2022 - II, Division 2 (Unrated)

Array Partition, Power Sum, Tree Master, Sum and OR, Crying Colours, TCS Examination, Chef and Fixed Deposits

Exun 2021-22 Division 2 (Rated)

Aujasvit and the Circle Game, Harshikaa and the Rain, Neil and his Binary Tree, Vedant and his Hidden Array, Sarthak and his Magic Grid

CodeChef Starters 23 Division 1 (Unrated)

Subarray Mex, Maximising Vacations

January Lunchtime 2022 Division 1

Permutation XOR Sum

CodeChef Starters 24 Division 1 (Unrated)

Anti Palindrome, Divisors and Reciprocals

February Long 2022 - I, Division 1 (Unrated)

Chef and the Hair Salon, N Queens Puzzle Solved !, Bitwise Blend, Binary Base Basics, Digit Multiplication By K, Remove Adjacent

CodeChef Starters 25 Division 1 (Unrated)

Building Towers, Equal MEX

February Cook-Off 2022 Division 1

Xor Becoming Uncanny, Perfect Permutation, PerMEXuation , Mango Market

CodeChef Starters 26 Division 1 (Unrated)

Stone Game, Array Division, Careless Chef

CodeChef Starters 27 Division 1 (Unrated)

String Reverse, Non Coprime Neighbours

February Lunchtime 2022 Division 1

Visit Them All, Magnet Sort

CodeChef Starters 28 Division 1 (Unrated)

Counting Pairs, Travelling in the Graph, Permutation Xority

March Long One 2022, Division 1 (Unrated)

Wordle, Bath in Winters, Substring of a Substring, Discus Throw, MEX on Trees, Count the Ones, Akash and Missing Class, Subarray XOR, Akash and Function, Exact Marks

CodeChef Starters 29 Division 1 (Unrated)

Plusle and Minun on Array, Increase 2 consecutive characters, Decomposition Reaction, Max Heat

March Long Two 2022, Division 1 (Unrated)

Minimum Longest Substring, Kostomuksha and AESC MSU, Same Parity Swaps in Binary Strings

CodeChef Starters 30 Division 1 (Unrated)

Minimum Coloring, Maximizing LIS, Gift Shop and Coupon, Balanced Reversals

May Long Two 2022 Division 1 (Unrated)

Subsequence-Numbers Divisible by 7, Subarrays with length

Total Problems Solved: 130