Khushboo Lalwani

• Username: 2★khushboo4
• Country:  India
• Student/Professional:Professional
• Organisation:Samsung Research Institute Noida(SRI-N)
• 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: 27

Current Ratings Graph Old Ratings Graph

1568 (+42)RatingProvisional
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January Challenge 2019 Division 2(2019-01-14 15:00:02)

Global Rank:   2411

Cheated in:   

Ratings System Update

(2019-01-14 15:00:02)

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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1568 (-36)RatingProvisional
Rating i Provisional Rating, click to know more

January Challenge 2019 Division 2(2022-12-20 00:00:00)

Global Rank:   2411

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 (27)

March Challenge 2016

maximize the sum, Palindromic substrings

April Challenge 2016

Chef And Coloring

August Challenge 2016

Chef and Chocolate

September Challenge 2016

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

October Challenge 2016

Sereja and Progressions, Chef and Keyboard, Fenwick Iterations, Chef and Three Dogs

November Challenge 2016

Count Permutations, Chef and squares, Task for Alexey

September Cook-Off 2016

Lazy Jem

December Cook-Off 2016

Chef and Subset

January Challenge 2017

Capital Movement, Cats and Dogs, Reservior

February Challenge 2017

Chef and Triangles, Chef and His Apartment Dues, Most Frequent Element, Gerrymander

March Challenge 2017

Xenny and Alternating Tasks, Bear and Extra Number, Bandwidth of a matrix

April Challenge 2017

Dish Of Life, Bear and Row 01, Similar Dishes

June Challenge 2017

Triplets, Xenny and Coin Rankings, A Good Set, Chef and the Feast

August Long Challenge 2017

Chef and Rainbow Array, Chef and Mover, Palindromic Game, Greedy Candidates

October Challenge 2017

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

November Challenge 2017

Chef Hates Palindromes, Chef goes Left Right Left, Periodic Palindrome Construction, Villages and Tribes

December Challenge 2017

Chef and Hamming Distance of arrays, Penalty Shoot-out, Total Diamonds, Chef And his Cake

April Lunchtime 2017

Bear and Segment 01

June Lunchtime 2017

Maximum Unique Segment

September Lunchtime 2017

Chef and Cook-Off Contests

January Challenge 2018

Partition the numbers, String Merging, Rectangle, Maximum Score, K-Concatenation

May Challenge 2018 Division 2

Mighty Friend, Minimum Deletions, Xor Again, Dibs on Fibs

January Challenge 2019 Division 2

Different Neighbours, Lucky Number Game, Distinct Pairs, Fancy Quotes

Total Problems Solved: 97