Prerna Singla

• Username: 3★prerna_singla
• Country:  India
• Student/Professional:Professional
• Organisation:Cleartrip 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: 2

Current Ratings Graph Old Ratings Graph

1688? (+132)RatingProvisional
Rating i Provisional Rating, click to know more

October Challenge 2018 Division 2(2018-10-20 15:00:03)

Global Rank:   1222

Cheated in:   

Ratings System Update

(2018-10-20 15:00:03)

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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1688? (-5)RatingProvisional
Rating i Provisional Rating, click to know more

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

Global Rank:   1222

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 (2)

September Challenge 2018 Division 2

Magician versus Chef, War of XORs, Chef and Condition Zero (Challenge), Chef and Adventures, Bad Shuffle

October Challenge 2018 Division 2

Minimize Digitsum, Chef and Serves, Byte to Bit, Chef and Circles

Total Problems Solved: 26