Vivek Rai

• Username: 3★raiviv
• Country:  India
• Student/Professional:Student
• Institution:National Institute of Technology, Calicut
• 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: 15

Current Ratings Graph Old Ratings Graph

1612 (-12)RatingProvisional
Rating i Provisional Rating, click to know more

April Challenge 2019 Division 2(2019-04-15 15:00:02)

Global Rank:   4859

Cheated in:   

Ratings System Update

(2019-04-15 15:00:02)

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?

1612 (+44)RatingProvisional
Rating i Provisional Rating, click to know more

April Challenge 2019 Division 2(2022-12-20 00:00:00)

Global Rank:   4859

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 (15)

October Challenge 2017

A Balanced Contest, Max Mex

November Challenge 2017

Villages and Tribes

February Challenge 2018

Chef And His Characters, Chef And The Patents

September Mega Cook-Off 2018 Division 2

ATM Machine, Make a Permutation

March Lunchtime 2018 Division 2 (Unrated)

Chef and Friends, Magic Elements

April Challenge 2018 Division 2

Weight of Numbers, Workers

July Challenge 2018 Division 2

Magic Set, Strike or Spare

August Challenge 2018 Division 2

Problem Sort, Sheokand and Number, Spell Bob

September Challenge 2018 Division 2

Bad Shuffle, Chef and Adventures, Magician versus Chef, War of XORs

November Challenge 2018 Division 2

Chef and Ridges, Chef and Difficult Contests, Chef and Happiness

October Challenge 2018 Division 2

Appy and Balloons , Chef and Serves, Byte to Bit, Chef and Circles

August Lunchtime 2018 Division 2

Chef and Eid

September Lunchtime 2018 Division 2

Judging Delay

February Challenge 2019 Division 2

Chef and Magical Jars, Chef and Secret Ingredients, Appy and Contest, Deputy Chef

March Challenge 2019 Division 2

Chef got Recipes, Chef and Number Game, Chef and a Beautiful Digit

April Challenge 2019 Division 2

Friend or Girlfriend, Maximum Remaining

Total Problems Solved: 73