Ramneek Singh

• Username: 4★chill_coder
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Technology Delhi India
• 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: 14

Current Ratings Graph Old Ratings Graph

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December Challenge 2020 Division 1(2020-12-14 15:00:00)

Global Rank:   820

Cheated in:   

Ratings System Update

(2020-12-14 15:00:00)

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1924 (+2)RatingProvisional
Rating i Provisional Rating, click to know more

December Challenge 2020 Division 1(2022-12-20 00:00:00)

Global Rank:   820

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 (14)

December Challenge 2018 Division 2

Max and Electrical Panel, (Challenge) Delete DAG, Chef and An Ideal Problem, Chef and Interactive Contests, Chef and Interactive XOR, Directing Edges, Chef and Meatballs

November Challenge 2018 Division 2

Chef and Ridges, Appy Loves One, Good Median, Magician versus Chef 2, Chef and Difficult Contests, Chef and Happiness

January Challenge 2019 Division 1

Yet Another Problem About Sequences, A Pizza Slice, Distinct Pairs, Partition the Graph, Different Neighbours

March Challenge 2019 Division 1

Yet Again a Subarray Problem

September Challenge 2019 Division 1

Chef Designed a Network, Power Sum, Expected GCD, Fuzzy Linear Combinations, Biladerim Icin, Doofish Set

October Challenge 2019 Division 1

Even Edges, Chef and Maximum Star Value, Array Modification

October Mega Cook-Off 2019 Division 1

D-Or

October Lunchtime 2019 Division 1 (Unrated)

Box Game

April Cook-Off 2020 Division 1

Simple Operations

May Lunchtime 2020 Division 1

Tree difference, Convert the String

July Cook-Off 2020 Division 1

Even-tual Reduction, OR-thodox Distinction

July Lunchtime 2020 Division 1

Golomb Sequence, Binary Concatenation

December Challenge 2020 Division 1

Square Root of LCA Convolution, Calculus, String Operations

Coders' Legacy (Rated for all)

Chef vs Doof, Doof on Cartesian

September Cook-Off 2020 Division 1

Maximise Subsequence Value

Total Problems Solved: 54