Rajat Sinha

• Username: 5★darkrayshiro
• Student/Professional:Student
• Institution:Indian Institute of Technology Guwahati Assam
• 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: 12

Current Ratings Graph Old Ratings Graph

2074 (+32)RatingProvisional
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September Cook-Off 2014, ACM-ICPC Warm up(2014-09-22 00:00:00)

Global Rank:   194

Cheated in:   

Ratings System Update

(2014-09-22 00:00:00)

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2074 (+24)RatingProvisional
Rating i Provisional Rating, click to know more

September Cook-Off 2014, ACM-ICPC Warm up(2022-12-20 00:00:00)

Global Rank:   194

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 (12)

October Challenge 2013

Helping Lira, Little Elephant and Bamboo, Yet Another Nice Girl, Maxim and Dividers, Sereja and Transformation

November Challenge 2013

Chef Game, Superpowers of 2, Yet Another Cute Girl, Sereja and Vectors, Queries With Points, Uncle Johny, Square Digit Squares, Missing some chairs

December Challenge 2013

Chef and Codes, Rectangular Queries, Reign, Magic Pairs, Funny Marbles, Cube Cakes

January Cook-off 2014

Chef and the Cake I

April Cook-Off 2014

Snape and Ladder

May Cook-Off 2014

Divide the Cake, Ups and Downs

June Cook-Off 2014

Painting, Knapsack Problem, Counting Flags

September Cook-Off 2014, ACM-ICPC Warm up

Sherlock and the Grid, Subarray GCD, Subarray LCM

February Challenge 2014

Make Him Happy, Longest Common Pattern, Little Elephant and Subarrays, Colored Array

March Challenge 2014

Maximum number, GCD condition, A Story with Strings, Mike and Stamps, Little Chef and Numbers, Walk, Binary Tournament, Team Split

May Challenge 2014

Compilers and Parsers, Chef-jumping, Stone

September Challenge 2014

Chef and Rainbow Array - 2, Chef and Left-Right, Chef and sequence, Fun with Rotation, Flooring

Total Problems Solved: 53