Sandeep Kumar Vigrahala

• Username: 2★xsandroidx
• Country:  India
• Student/Professional:Professional
• Organisation:SAP Labs India Pvt Ltd
• 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: 31

Current Ratings Graph Old Ratings Graph

1593 (-49)RatingProvisional
Rating i Provisional Rating, click to know more

September Challenge 2018 Division 2(2018-09-17 15:00:02)

Global Rank:   10550

Cheated in:   

Ratings System Update

(2018-09-17 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?

1593 (+55)RatingProvisional
Rating i Provisional Rating, click to know more

September Challenge 2018 Division 2(2022-12-20 00:00:00)

Global Rank:   10550

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 (31)

December Challenge 2013

Magic Pairs

February Cook-Off 2014

Chef and Remissness

March Challenge 2014

Little Chef and Numbers, Walk

May Challenge 2014

Chef-jumping, Stone

September Challenge 2014

Chef and Rainbow Array - 2, Chef and Left-Right, Fun with Rotation

October Challenge 2014

Chef and Ground, DevuLand, Dinosaurs and Laddus

December Challenge 2014

Chef and Apple Trees

June Challenge 2015

Chef and Memory Limit

September Challenge 2015

Count Steps in Matrix

October Challenge 2015

Count Subarrays

June Cook-Off 2015

Strange operations

April Challenge 2016

Chef and Ballons, Chef And Coloring

May Challenge 2016

Chef and Balls, Laddu

June Challenge 2016

Chef and Coins Game, Devu and an Array

September Challenge 2016

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

October Challenge 2016

Chef and Keyboard

March Challenge 2017

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

October Challenge 2017

Chef and a great voluntary Program, Max Mex, A Balanced Contest

November Challenge 2017

Villages and Tribes, Chef goes Left Right Left

July Cook-Off 2018 Division 2

Encoding Message, OR Matrix

April Challenge 2018 Division 2

Average of Pairs, Workers

July Challenge 2018 Division 2

Magic Set, Strike or Spare

August Challenge 2018 Division 2

Modular GCD, Problem Sort, Sheokand and Number, Spell Bob

Total Problems Solved: 118