Rahul Ranjan

• Username: 2★cyberman
• Country:  India
• 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: 8

Current Ratings Graph Old Ratings Graph

1407 (+27)RatingProvisional
Rating i Provisional Rating, click to know more

July Challenge 2016(2016-07-13 15:00:00)

Global Rank:   3077

Cheated in:   

Ratings System Update

(2016-07-13 15:00:00)

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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1407 (-93)RatingProvisional
Rating i Provisional Rating, click to know more

July Challenge 2016(2022-12-20 00:00:00)

Global Rank:   3077

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 (8)

August Challenge 2015

Gravity Guy, Cooking Machine

September Challenge 2015

Chain of Doughnuts, Count Steps in Matrix, Lighthouses

October Challenge 2015

Time measure, Count Subarrays, Who dares to be a millionaire

December Challenge 2015

Chef and the stones

June Challenge 2016

Chef And The Hiring Event, Chef and Array and K, Chef And Binary Operation, Chef and Coins Game, Devu and an Array

July Challenge 2016

Andrash and Stipendium

Total Problems Solved: 106