Ayasha Siddika

• Username: 2★ayasha2
• Country:  Bangladesh
• Student/Professional:Student
• Institution:North South University Dhaka, Bangladesh
• CodeChef Pro Plan: No Active Plan. View Details

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Last 6 Months 2026 (Jan-Jun)2025 (Jul-Dec)2025 (Jan-Jun)

Rating Graph

No. of Contests Participated: 39

Current Ratings Graph Old Ratings Graph

1585 (+3)RatingProvisional
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Starters 170 (Rated)(2025-01-22 22:00:04)

Global Rank:   1344

Cheated in:   

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(2025-01-22 22:00:04)

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1535 (-134)RatingProvisional
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Starters 55 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   1858

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 (39)

August Challenge 2020 Division 2

Chef Wars - Return of the Jedi, Another Card Game Problem, Chef and Linear Chess

December Challenge 2020 Division 2

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

December Cook-Off 2020 Division 2

Catch the Thief, Minimum Attendance Requirement

December Lunchtime 2020 Division 2 (Unrated)

Sed Sequences

October Lunchtime 2020 Division 2

AND Plus OR

Byterace IIT Patna Division 2 (Rated)

The Begining Era Of Cyberverse

January Challenge 2021 Division 3

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

January Cook-Off 2021 Division 3

Distinct Pair Sums, Password

January Lunchtime 2021 Division 3 (Unrated)

Ashishgup and Interviews, Pair Me, Even Differences, Even Sum

February Challenge 2021 Division 3

Maximise Function, Highest Divisor

March Cook-Off 2021 Division 3

Weight Balance

March CodeChef Starters 2021 Division 3 (Rated)

Server Trouble, Nobel Prize, Possible Victory

April Challenge 2021 Division 3

Chef and Dice, Valid Pair, World Record, Strong Language

International Coding Marathon 2021 Division 3 (Rated)

Lucky Boundaries

SPYBITS IIT BHU Division 3 (Rated)

B - Valentine Couples, A - Save Water Save Life

April CodeChef Starters 2021 Division 2 (Unrated)

Thief and Police, Chef On Island, Hiring Test

July Cook-Off 2021 Division 2

XOR-ORED

CodeChef Starters 7 Division 2 (Unrated)

Ceiling Sum, Maximum Array Xor

August Cook-Off 2021 Division 2

Different String, Chef and Closure, Equal Difference

August Lunchtime 2021 Division 2

K-th Maximum, Just a Graph

CodeChef Starters 9 Division 3 (Rated)

Black cells in a chessboard, Large Square, Bus full of passengers

CodeChef Starters 10 Division 2 (Rated)

Maximise the Subsequence Sum

September Cook-Off 2021 Division 3

Cars and Bikes, Zebra Crossing, Fake GCD, Adjacency Hatred

CodeChef Starters 12 Division 3 (Rated)

Good Weather, Make it Divisible

CodeChef Starters 14 Division 3 (Rated)

Odd GCD, Diagonal movement, RCB and Playoffs

September Lunchtime 2021 Division 2

Balanced and Unique Arrays, Yet another SOD problem

November Cook-Off 2021 Division 2

Missing Sums, Make it Divisible

CodeChef Starters 17 Division 3 (Rated)

Binary Inversion, GCD of Prefixes, Chef on Vacation, New Piece

CodeChef Starters 18 Division 2 (Unrated)

Make them equal

CodeChef Starters 20 Division 2 (Unrated)

Stable Sequence, Brutal-Xors

CodeChef Starters 25 Division 2 (Rated)

Building Towers, Equal MEX, Points and Lines

April Cook-Off 2022 Division 2

Sticks and Rectangles

June Long Two 2022 Division 2 (Unrated)

Count the ACs

Starters 47 Division 2 (Rated)

Copy and Push Back, Similar Heights, End Sorted

Starters 52 Division 2 (Unrated)

Minimum Sum, WA Test Cases

Starters 55 Division 2 (Rated)

Balls and Boxes, Mean and Median

September Long 2022 Division 2 (Unrated)

Interesting Subarray, Good Pairs

Starters 75 Division 3 (Rated)

Prefix Ones, Three Powers of Two, Two Ranges

Starters 77 Division 3 (Rated)

Tekken

Starters 86 Division 3 (Rated)

String Game , Maximise Score

Starters 91 Division 3 (Rated)

Odd GCD Permutation, Chef Odd, Blobby Volley Scores, Maximum Sum Permutation

Starters 94 Division 3 (Rated)

Gymkhana Election IIIT-A, CodeChef Streak, The Vowel Matrix

Starters 95 Division 3 (Rated)

Alt-Tab, Boxes, Transfusion Chain, EVacuate to Moon

Starters 168 (Rated)

Binary Removals, Make Odd, Big Achiever

Starters 170 (Rated)

qUiRkY qUesTs (Easy), Monster Monster, Minimum Bottles

Total Problems Solved: 128