priyaranjan rai

• Username: 4★theprk
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Information Technology, Kalyani West Bengal, 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: 21

Current Ratings Graph Old Ratings Graph

1910 (+29)RatingProvisional
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August Lunchtime 2017(2017-08-26 23:00:00)

Global Rank:   170

Cheated in:   

Ratings System Update

(2017-08-26 23:00:00)

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1910 (-39)RatingProvisional
Rating i Provisional Rating, click to know more

August Lunchtime 2017(2022-12-20 00:00:00)

Global Rank:   170

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 (21)

September Challenge 2016

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

October Challenge 2016

Chef and Keyboard, Fenwick Iterations, Chef and Three Dogs

November Challenge 2016

Count Permutations, Chef and squares, Task for Alexey

September Cook-Off 2016

Lazy Jem

December Cook-Off 2016

Chef and Subset

September Lunchtime 2016

Chef and Inequality

October Lunchtime 2016

The Largest Bouquet

December Lunchtime 2016

Superheroes and villains

January Challenge 2017

Cats and Dogs, Reservior

March Challenge 2017

Xenny and Alternating Tasks, Bear and Extra Number, (CH) Bear and Sorted Rows, Bandwidth of a matrix

April Challenge 2017

Dish Of Life, Bear and Row 01, Bear and Clique Distances, Similar Dishes

May Challenge 2017

Chef and Subsequences, Median of adjacent maximum numbers, Blocked websites, Chef and his daily routine, Chef and Sub Array , Courses in an university

June Challenge 2017

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

July Challenge 2017

Chef and Sign Sequences, Tree Expectancy, Whats in the Name, Calculator , IPC Trainers

March Cook-Off 2017

Safe Robot, Rainbow Graph

April Cook-Off 2017

Bear and Candies 123, Bear and AB

May Cook-Off 2017

La Liga

June Cook-Off 2017

Ada and crayons, SnackUp

July Cook-Off 2017

Chang and Bitwise OR, Chang and the Perfect Function

March Lunchtime 2017

Bear and Ladder

April Lunchtime 2017

Bear and Segment 01

May Lunchtime 2017

Prefix Inversions

June Lunchtime 2017

Maximum Unique Segment, Two Numbers

August Lunchtime 2017

Mathison and the Dynamo shuffle, Mathison and pangrams

Total Problems Solved: 97