Prerna Malik

• Username: 3★prernamalik
• Country:  India
• Student/Professional:Student
• Institution:University Institute of Engineering and Technology, Punjab University Chandigarh, 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: 9

Current Ratings Graph Old Ratings Graph

1733 (+21)RatingProvisional
Rating i Provisional Rating, click to know more

April Challenge 2021 Division 2(2021-04-12 15:00:02)

Global Rank:   1345

Cheated in:   

Ratings System Update

(2021-04-12 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?

1733 (-57)RatingProvisional
Rating i Provisional Rating, click to know more

April Challenge 2021 Division 2(2022-12-20 00:00:00)

Global Rank:   1345

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 (9)

April Challenge 2020 Division 2

Sell All the Cars, Leaked Answers (Challenge), COVID Pandemic and Long Queue, Strange Number

May Challenge 2020 Division 2

Triple Sort, Coronavirus Spread, Isolation Centers

June Challenge 2020 Division 2

Even Matrix, The Tom and Jerry Game!, Operations on a Tuple, The Delicious Cake, Chef and Icecream, Chef and String, Chef and Price Control

July Challenge 2020 Division 1

Missing a Point, Doctor Chef, Chefina and Swaps, Ada King

August Challenge 2020 Division 2

Chef Wars - Return of the Jedi, Another Card Game Problem, Chef and Linear Chess, Smallest KMP, Chef and Wedding Arrangements

September Challenge 2020 Division 2

Chefina and Swap, A Problem on Sticks, Chef and Trump Cards, Find XOR, Ada Matrix, Coronavirus Spread 2

April Challenge 2021 Division 2

Binary String MEX, Worthy Matrix, Chef and Dice

Total Problems Solved: 52