oreo

• Username: 4★unknown_oreo
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Technology Bhilai Chhattisgarh
• 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: 42

Current Ratings Graph Old Ratings Graph

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CodeChef Starters 15 Division 2 (Rated)(2021-10-12 23:15:02)

Global Rank:   22

Cheated in:   

Ratings System Update

(2021-10-12 23:15:02)

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1872 (-187)RatingProvisional
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CodeChef Starters 15 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   22

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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Contests (42)

May Challenge 2020 Division 2

Coronavirus Spread

May Cook-Off 2020 Division 2

Chef and Recipe

May Lunchtime 2020 Division 2

Lost Weekends, Weird Walk

June Challenge 2020 Division 2

Chef and Price Control

July Challenge 2020 Division 2

Chef and Strings

August Challenge 2020 Division 2

Chef Wars - Return of the Jedi

September Challenge 2020 Division 2

Ada Matrix

July Cook-Off 2020 Division 2

Even-tual Reduction

July Lunchtime 2020 Division 2

Chef and Steps

August Cook-Off 2020 Division 2

Chef and Work

August Lunchtime 2020 Division 2

Mode of Frequencies

June Cook-Off 2020 Division 2

Cache Hits

June Lunchtime 2020 Division 2

Increasing Decreasing

October Challenge 2020 Division 2

Positive AND, Chef and Easy Queries

November Challenge 2020 Division 2

Ada and Dishes

December Challenge 2020 Division 1

Even Pair Sum

December Cook-Off 2020 Division 2

Self-Destructing Strings, Catch the Thief, Circle of Chaos, Minimum Attendance Requirement

December Lunchtime 2020 Division 2 (Unrated)

One Zero Swaps, Sed Sequences

January Lunchtime 2021 Division 2 (Unrated)

Binary Subsequence, Even Differences, Even Sum

October Cook-Off 2020 Division 2

Split the Str Ing, Decreasing Srrnmieeda, Path-etic Sums

November Cook-Off 2020 Division 2

Flip the String, Chef and IPC Certificates

October Lunchtime 2020 Division 2

AND Plus OR

November Lunchtime 2020 Division 2

Gasoline, Gasoline Introduction

September Cook-Off 2020 Division 2

Bowling Strategy

September Lunchtime 2020 Division 2

GCD operations, Watermelon

UWCOI 2021 (Rated for all)

Array Swaps

Byterace IIT Patna Division 2 (Rated)

The Begining Era Of Cyberverse

January Challenge 2021 Division 3

Chef and Division 3, Point Of Impact, Encoded String

January Cook-Off 2021 Division 3

Password, Maximise Islands, Prime Tuples, Distinct Pair Sums

February Challenge 2021 Division 2

Maximise Function

March Cook-Off 2021 Division 2

Guess the Number

February Lunchtime 2021 Division 3

Coprime Range

March Challenge 2021 Division 3

Interesting XOR!, Chef and Groups, College Life 4, Consecutive Adding, Paparazzi Gennady, Space Arrays, No Time to Wait

March Lunchtime 2021 Division 2

Dinner by Candlelight

April Challenge 2021 Division 3

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

May Cook-Off 2021 Division 3

The Last Problem, Marathon

May CodeChef Starters 2021 Division 3 (Rated)

Correct Sentence, Lazy Chef, Cheating Time, Plagiarism

June Cook-Off 2021 Division 2

XOR Folding, The Wave

June Lunchtime 2021 Division 2

From Rational to Binary, False Number, Unpleasant Ones

June CodeChef Starters 2021 Division 2 (Unrated)

Total Correct Submissions, Sleep Cycle, Chess Match, Cyclic Quadrilateral

August Lunchtime 2021 Division 2

K-th Maximum, Just a Graph, Crossing Blocks

CodeChef Starters 11 Division 2 (Rated)

Positive Spewing, The Grid Fill Problem, Find the Direction, Obtain the Sum, The Two Dishes

CodeChef Starters 13 Division 2 (Rated)

Add and Divide, Chef in Vaccination Queue, Maximum Light Up, Magical Doors

Total Problems Solved: 148