sadiq shahariar

• Username: 2★sahariar
• Country:  Bangladesh
• Student/Professional:Student
• Institution:Hajee Mohammad Danesh Science and Technology University
• 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: 27

Current Ratings Graph Old Ratings Graph

1597 (+53)RatingProvisional
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Starters 135 Division 3 (Rated)(2024-05-22 22:00:04)

Global Rank:   98

Cheated in:   

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(2024-05-22 22:00:04)

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1697 (-80)RatingProvisional
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Starters 55 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   891

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 (27)

October Challenge 2020 Division 2

Replace for X, Positive AND, Chef and Easy Queries, Covid Run

November Challenge 2020 Division 2

Restore Sequence, Iron, Magnet and Wall, Ada and Dishes

December Challenge 2020 Division 2

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

December Lunchtime 2020 Division 2 (Unrated)

Three Letters, Sed Sequences, One Zero Swaps

October Lunchtime 2020 Division 2

AND Plus OR

November Lunchtime 2020 Division 2

Gasoline Introduction

Byterace IIT Patna Division 2 (Rated)

The Begining Era Of Cyberverse, Cybalphabit

February Challenge 2021 Division 2

Frog Sort, Team Name, Prime Game, Maximise Function

February Lunchtime 2021 Division 2

Palpal Strings, Coprime Range

May Lunchtime 2021 Division 2

Charges, Tom And Jerry 1

June Lunchtime 2021 Division 2

False Number, Unpleasant Ones

October Challenge 2021 Division 2 (Unrated)

Longest AND Subarray, Digit Removal, MEX-OR

CodeChef Starters 20 Division 2 (Unrated)

Stable Sequence, Brutal-Xors

CodeChef Starters 21 Division 2 (Rated)

And Or Union, ChefWM, Akash and Grid

Code Drive Division 2 (Rated)

Again XOR problem

CodeChef Starters 23 Division 2 (Unrated)

Average of Three, Subarray Mex, Maximising Vacations

January Lunchtime 2022 Division 2

Subarray permutations, Prefix Zeros, Permutation XOR Sum

CodeChef Starters 24 Division 2 (Rated)

Yet Another Constructive Problem, Avoid Contact, Anti Palindrome, Divisors and Reciprocals

February Long 2022 - I, Division 2 (Unrated)

Bitwise Blend, N Queens Puzzle Solved !, Binary Base Basics

CodeChef Starters 25 Division 2 (Rated)

Building Towers, Equal MEX, K Distinct Array, Points and Lines

February Long 2022 - II, Division 2 (Unrated)

Avoid Fixed Points, Xor Palindrome

Starters 48 Division 2 (Rated)

Make Palindrome 2, Positive array, Fill The Grid

Starters 53 Division 2 (Rated)

Make A and B equal

Starters 55 Division 2 (Rated)

Balls and Boxes, Mean and Median, OR Tuples

Starters 72 Division 2 (Rated)

N Triplets

Starters 74 Division 2 (Rated)

Lcm hates Gcd, Odd Even Binary String

Starters 107 Division 2 (Rated)

OR Permutation, Adjacent Flips, Maximal Expression, Rock Paper Scissor

Starters 108 Division 2 (Rated)

Clan Expansion, Palindromic Prime Numbers, Fair Distribution

Starters 109 Division 2 (Rated)

Minimum XOR, Best of N Sets, Alter Ego

Starters 111 Divison 3 (Rated)

Exams, Reach Codetown, Beautiful Strings

Starters 114 Division 3 (Rated)

Yet another Matrix problem, Rock-Paper-Scissors, Painting Walls, Christmas Candy

Starters 116 Division 3 (Rated)

Hattrick, ORST , Access Control

Starters 135 Division 3 (Rated)

Invert And Equalize, Change A to B, Football Ties

Total Problems Solved: 329