Prakhar

• Username: 4★luciferstern
• Country:  India
• Student/Professional:Other
• CodeChef Pro Plan: No Active Plan. View Details

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Last 6 Months 2025 (Jan-Jun)2024 (Jul-Dec)2024 (Jan-Jun)

Rating Graph

No. of Contests Participated: 16

Current Ratings Graph Old Ratings Graph

1817 (+48)RatingProvisional
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September Cook-Off 2021 Division 2(2021-09-20 00:30:02)

Global Rank:   82

Cheated in:   

Ratings System Update

(2021-09-20 00:30:02)

This is the difference due to changing the rating system.This graph is not updated after 20th Dec 2022. Know more

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1817 (-183)RatingProvisional
Rating i Provisional Rating, click to know more

September Cook-Off 2021 Division 2(2022-12-20 00:00:00)

Global Rank:   82

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 (16)

June Challenge 2020 Division 2

Chef and Icecream

July Challenge 2020 Division 2

Ada King, Chef and Strings, Chef and Card Game, Chefina and Swaps, Missing a Point

August Challenge 2020 Division 2

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

September Challenge 2020 Division 2

Chefina and Swap, A Problem on Sticks, Find XOR, Ada Matrix, Coronavirus Spread 2

July Cook-Off 2020 Division 2

Even-tual Reduction, OR-thodox Distinction

July Lunchtime 2020 Division 2

Chef and Steps

August Cook-Off 2020 Division 2

Polygon Relationship, Chef and Work, K-Foldable String

August Lunchtime 2020 Division 2

Game on a Strip, Mode of Frequencies, Ratings and Rankings

June Lunchtime 2020 Division 2

Chef and Demonetisation, Increasing Decreasing

November Challenge 2020 Division 2

Restore Sequence, Ada and Dishes, Magical Candy Store, Iron, Magnet and Wall

September Lunchtime 2020 Division 2

Watermelon, GCD operations

May Cook-Off 2021 Division 2

The Last Problem

June Cook-Off 2021 Division 2

The Wave

June Lunchtime 2021 Division 2

From Rational to Binary, False Number, Unpleasant Ones

CodeChef Starters 6 Division 2 (Unrated)

Even tuples, Cricket Ranking, Three Dices, Chefs Homework Dilemma, Joker and Batman

CodeChef Starters 7 Division 2 (Unrated)

Maximum Possible Sweetness, Ceiling Sum, Chess Format

August Cook-Off 2021 Division 2

Different String, Clear the Array, Equal Difference, Chef and Closure, Odd Array

AlgoManiac - Code For Future Division 2 (Unrated)

Planetary Path, Say No To Drugs, The Rumbling, The Old Saint And Three Questions, Meet In The Median

September Cook-Off 2021 Division 2

Chef and Pairwise Distances, Zebra Crossing, Fake Swaps, Adjacency Hatred

CodeChef Starters 13 Division 1 (Unrated)

Add and Divide

November Challenge 2021 Division 1 (Unrated)

Wildcard Replacement, Hill Sequence

Total Problems Solved: 74