Ravi Shankar Challapalli

• Username: 2★rchallapalli
• Student/Professional:Professional
• Organisation:Mastek Ltd
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

Last 6 Months 2025 (Jul-Dec)2025 (Jan-Jun)2024 (Jul-Dec)2024 (Jan-Jun)

Rating Graph

No. of Contests Participated: 14

Current Ratings Graph Old Ratings Graph

1568 (-13)RatingProvisional
Rating i Provisional Rating, click to know more

March Challenge 2015(2015-03-16 15:00:00)

Global Rank:   2489

Cheated in:   

Ratings System Update

(2015-03-16 15:00:00)

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?

1568 (+0)RatingProvisional
Rating i Provisional Rating, click to know more

March Challenge 2015(2022-12-20 00:00:00)

Global Rank:   2489

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 (14)

March Cook-Off 2014

Dividing Stamps

October Cook-Off 2014

Walk on the Axis

March Challenge 2014

Walk

April Challenge 2014

Farmer Feb, Shortest Path in Binary Trees

May Challenge 2014

Chef-jumping

August Challenge 2014

The Leaking Robot, Chef and Gift

September Challenge 2014

Chef and Left-Right, Fun with Rotation

October Challenge 2014

Chef and Ground, DevuLand, Dinosaurs and Laddus, Magical Girl and Colored Liquid Potions

December Challenge 2014

Chef and Apple Trees

January Challenge 2015

Chef and Stones, Sereja and Votes, One Dimensional Kingdoms

January Cook-Off 2015

Suraj goes shopping, Tojo hates probabilities

March Challenge 2015

Chef and Notebooks

Total Problems Solved: 20