Shanthi Shifrah Rapaka

• Username: 2★crystal_08
• Country:  India
• Student/Professional:Student
• Institution:Vignan Institute of Technology and Science Guntur, Andhra Pradesh, 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: 22

Current Ratings Graph Old Ratings Graph

1473 (+49)RatingProvisional
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CodeChef Starters 21 Division 3 (Rated)(2022-01-05 23:00:04)

Global Rank:   372

Cheated in:   

Ratings System Update

(2022-01-05 23:00:04)

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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1473 (-211)RatingProvisional
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CodeChef Starters 21 Division 3 (Rated)(2022-12-20 00:00:00)

Global Rank:   372

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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Contests (22)

February Challenge 2021 Division 3

Maximise Function, Frog Sort, Highest Divisor

April Challenge 2021 Division 3

Valid Pair, World Record, Strong Language

April Lunchtime 2021 Division 3

Equinox Strings, Coldplay

May CodeChef Starters 2021 Division 3 (Rated)

Lazy Chef

May Challenge 2021 Division 3 (Rated)

Xor Equality, Golf, Solubility

July Challenge 2021 Division 3 (Rated)

Maximum Production, Relativity

July Cook-Off 2021 Division 3

Shoe Fit

July Lunchtime 2021 Division 3

Chef and Spells, Red Alert

CodeChef Starters 7 Division 3 (Rated)

Chess Format, Food Chain

August Lunchtime 2021 Division 3

K-th Maximum, Maximum Length Even Subarray, Programming Languages

CodeChef Starters 9 Division 3 (Rated)

Black cells in a chessboard, Large Square

CodeChef Starters 10 Division 3 (Rated)

Maximise the Subsequence Sum, Odd Repeat, Hardest Problem Bet

SnackDown 2021 - Online Qualifiers

Lucky Number

CodeChef Starters 16 Division 3 (Rated)

Professor And Directions, Chef And Salary Pay, Pass or Fail

October Lunchtime 2021 Division 3

Alternating Work Days, Exactly N plus 1 Values, Problem Category

SnackDown 2021 - Online Round 1A

Round Robin Ranks , Dance Moves, Equal Beauty, Min Max LCM

CodeChef Starters 18 Division 3 (Rated)

Back to Campus, Make them equal

CodeChef Starters 19 Division 3 (Rated)

Chef and Contest, Sleepy Chef, Indivisible Permutation

SnackDown 2021 - Elimination Parallel (Rated for Div 3)

Yet another subarray problem, Remove Element, Car Range

CodeChef Starters 21 Division 3 (Rated)

Devendra and Water Sports, Akash and Grid, And Or Union, Covid and Theatre Tickets

Total Problems Solved: 80