Robin Kumar

• Username: 4★robinsingh301
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Information Technology, Ranchi Jharkhand, India
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

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

Rating Graph

No. of Contests Participated: 12

Current Ratings Graph Old Ratings Graph

1812 (+16)RatingProvisional
Rating i Provisional Rating, click to know more

Starters 94 Division 2 (Rated)(2023-06-14 22:00:02)

Global Rank:   735

Cheated in:   

Ratings System Update

(2023-06-14 22:00:02)

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?

1688 (-196)RatingProvisional
Rating i Provisional Rating, click to know more

CodeChef Starters 33 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   508

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)

None

Practice Paths (0)

None

Contests (12)

February Long 2022 - I, Division 3 (Rated)

Bitwise Blend, Binary Base Basics, Chef and the Hair Salon, N Queens Puzzle Solved !

CodeChef Starters 25 Division 3 (Rated)

Equal MEX, Points and Lines, Fit in Data Type, Chef and His Fruit Stand

CodeChef Starters 26 Division 2 (Unrated)

Careless Chef, Control the Pollution

March Long One 2022, Division 2 (Unrated)

Exact Marks, Substring of a Substring, Subarray XOR

CodeChef Starters 29 Division 2 (Rated)

String protocol, Plusle and Minun on Array, Decomposition Reaction

CodeChef Starters 30 Division 2 (Rated)

Minimum Coloring, Gift Shop and Coupon, Balanced Reversals

CodeChef Starters 31 Division 2 (Rated)

The Unchanging OR, Sign Moves, XOR and AND, Alternating String

March Lunchtime 2022 Division 2

Sad Splits, Adjacency Love

April Cook-Off 2022 Division 2

Sticks and Rectangles

CodeChef Starters 33 Division 2 (Rated)

Distinct Dilemma, Broken Life, Non Adjacent Flips, Make Them Equal

Starters 84 Division 2 (Rated)

Digit Operation, Chef And Adjacent Sums, Max Binary, Max count of 1

Starters 83 Division 2 (Rated)

Construct String, Order by XOR

Starters 93 Division 2 (Rated)

Break Free, NASA, Problem

Starters 94 Division 2 (Rated)

CodeChef Streak, Possible or Not, The Vowel Matrix

Total Problems Solved: 51