Vivek Ranjan

• Username: 2★vivekrnj
• Country:  India
• Student/Professional:Student
• Institution:National Institute of Technology Silchar Assam, India
• 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: 11

Current Ratings Graph Old Ratings Graph

1568 (+59)RatingProvisional
Rating i Provisional Rating, click to know more

June Challenge 2017(2017-06-12 15:00:00)

Global Rank:   1415

Cheated in:   

Ratings System Update

(2017-06-12 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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1568 (-130)RatingProvisional
Rating i Provisional Rating, click to know more

June Challenge 2017(2022-12-20 00:00:00)

Global Rank:   1415

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 (11)

February Challenge 2016

Chef-Detective

April Challenge 2016

Help Watson Escape, Chef and Ballons, Chef And Magical Path, Chef And Coloring

August Challenge 2016

Chef and Chocolate

September Challenge 2016

Chef and digits of a number, Faded Palindromes, Chef and calculation

October Challenge 2016

Chef and Three Dogs, Fenwick Iterations, Chef and Keyboard

August Cook-Off 2016

Tweedle-Dee and Tweedle-Dum

October Cook-Off 2016

Watson asks Does Permutation Exist, ChefWatson uses Social Network

August Lunchtime 2016

Studying Alphabet

September Lunchtime 2016

Chef and Inequality

June Challenge 2017

A Good Set, Chef and the Feast, Xenny and Coin Rankings, Triplets, Pairwise union of sets

Total Problems Solved: 32