Alapan Sen

• Username: 3★alapan03
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Technology Kharagpur West Bengal, India
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

Last 6 Months 2025 (Jan-Jun)2024 (Jul-Dec)2024 (Jan-Jun)

Rating Graph

No. of Contests Participated: 17

Current Ratings Graph Old Ratings Graph

1642 (+44)RatingProvisional
Rating i Provisional Rating, click to know more

Starters 75 Division 3 (Rated)(2023-01-26 23:00:04)

Global Rank:   38

Cheated in:   

Ratings System Update

(2023-01-26 23:00:04)

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?

1515 (-12)RatingProvisional
Rating i Provisional Rating, click to know more

Starters 69 Division 3 (Rated)(2022-12-20 00:00:00)

Global Rank:   222

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 (17)

August Cook-Off 2021 Division 3

Which Division

August Lunchtime 2021 Division 3

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

CodeChef Starters 10 Division 3 (Rated)

Hardest Problem Bet, Odd Repeat, Maximise the Subsequence Sum

September Challenge 2021 Division 3 (Rated)

Shuffling Parities, Airline Restrictions, Travel Pass

February Long 2022 - I, Division 3 (Rated)

Binary Base Basics, N Queens Puzzle Solved !, Chef and the Hair Salon

Starters 36 Division 3 (Rated)

Presents for Cheffina, Chef and Bird farm

May Long One 2022 Division 3 (Rated)

Pushpa , Sugarcane Juice Business, The Attack of Queen

August Long 2022 Division 3 (Rated)

Sale Season, Hello Equation, Two Trains, Make A and B equal

Starters 59 Division 3 (Rated)

Chef and Happy String , Suspense String

Starters 60 Division 3 (Rated)

Yet Another Palindrome Problem, Card Removal, Paper Cutting, Palindrome Flipping

Starters 69 Division 3 (Rated)

Akash and Dinner, Convert to permutation, Distinct Sequence

Starters 70 Division 3 (Rated)

Cost of Groceries, Minimum distance between 1s, Prime Reversal, Frequency Array Retrieval

Starters 71 Division 3 (Rated)

Perfect Trio, Maximizing LCS, Snapchat, Pet Store

Starters 72 Division 3 (Rated)

Indivisible, Apples and oranges, N Triplets

Starters 73 Division 3 (Rated)

Consecutive Xor, Lucky Numbers, Append for OR

Starters 75 Division 3 (Rated)

Equal Hamming Distance, Prefix Ones, Three Powers of Two, Two Ranges

Total Problems Solved: 60