Decoder

• Username: 2★coder551
• Country:  India
• Student/Professional:Student
• Institution:National Institute of Technology, Delhi India
• 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: 16

Current Ratings Graph Old Ratings Graph

1581 (+23)RatingProvisional
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June Lunchtime 2021 Division 2(2021-06-26 22:45:02)

Global Rank:   2106

Cheated in:   

Ratings System Update

(2021-06-26 22:45:02)

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1581 (-114)RatingProvisional
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June Lunchtime 2021 Division 2(2022-12-20 00:00:00)

Global Rank:   2106

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?

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Contests (16)

May Challenge 2020 Division 2

Isolation Centers, Coronavirus Spread

April Lunchtime 2020 Division 2

Chef in Fantasy League

June Challenge 2020 Division 2

Even Matrix, The Tom and Jerry Game!, Chef and Icecream, Covid Sampling (Challenge), Chef and String, Chef and Price Control

July Challenge 2020 Division 2

Missing a Point, Doctor Chef, Chef and Strings

September Challenge 2020 Division 2

A Problem on Sticks

July Lunchtime 2020 Division 2

Chef and Steps, Maximum Candies

August Lunchtime 2020 Division 2

Mode of Frequencies

Coders' Legacy (Rated for all)

Chef vs Doof

March Challenge 2021 Division 3

No Time to Wait, Maximum Topological Sort, Wireless Electricity (Challenge), Space Arrays, Consecutive Adding, College Life 4, Chef and Groups, Dense Graph, Interesting XOR!, Paparazzi Gennady

April Challenge 2021 Division 2

Boolean Game, Chef and Dice, Destroy the EMP Chip, Worthy Matrix, Tree Permutations, Binary String MEX

May Lunchtime 2021 Division 2

Charges, Tom And Jerry 1

May Challenge 2021 Division 2 (Rated)

Xor Equality, Tic Tac Toe, Modular Equation

June Cook-Off 2021 Division 2

The Wave

June Lunchtime 2021 Division 2

From Rational to Binary, False Number, Unpleasant Ones

Total Problems Solved: 80