Prerna Sinha

• Username: 1★prerna9511
• Country:  India
• Student/Professional:Student
• Institution:Noida Institute of Engineering and Technology Greater Noida, Uttar Pradesh
• 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: 8

Current Ratings Graph Old Ratings Graph

1236 (-4)RatingProvisional
Rating i Provisional Rating, click to know more

Starters 59 Division 4 (Rated)(2022-10-05 23:00:06)

Global Rank:   8181

Cheated in:   

Ratings System Update

(2022-10-05 23:00:06)

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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1236 (+33)RatingProvisional
Rating i Provisional Rating, click to know more

Starters 59 Division 4 (Rated)(2022-12-20 00:00:00)

Global Rank:   8181

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 (8)

April Long One 2022, Division 4 (Rated)

Prime Sum, Dazzling AXNODR Challenge , Ezio and Guards, The Cooler Dilemma 1, The Cooler Dilemma 2, Dazzling GCD Pair

CodeChef Starters 34 Division 4 (Rated)

Is the Score Consistent, Good Quality Bulbs, Expiring Bread

April Lunchtime 2022 Division 4(Rated)

Lunchtime, Mario and Transformation, Mario and Bullet

Starters 35 Division 4 (Rated)

Police and Thief, Jenga Night, Water Requirement, Dark Light

April Long Two 2022 Division 4 (Rated)

Sasta Shark Tank, Six Friends, Best Coupon, Pseudo Sorted Array

September Lunchtime 2022 Division 4 (Rated) (Based on EJOI)

Sleep deprivation, Flip the cards, Stick Break

Starters 58 Division 4 (Rated)

Ranklist Pages, Reach the Target

Starters 59 Division 4 (Rated)

Chef and Happy String , Audible Range, Speciality

Total Problems Solved: 34