Chandra Sekhar Sana

• Username: 1★chandra_00
• Country:  India
• Student/Professional:Student
• Institution:Academy of Technology Kolkata, West Bengal, 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: 10

Current Ratings Graph Old Ratings Graph

1378 (+45)RatingProvisional
Rating i Provisional Rating, click to know more

June Lunchtime 2021 Division 2(2021-06-26 22:45:02)

Global Rank:   3345

Cheated in:   

Ratings System Update

(2021-06-26 22:45:02)

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?

1378 (-269)RatingProvisional
Rating i Provisional Rating, click to know more

June Lunchtime 2021 Division 2(2022-12-20 00:00:00)

Global Rank:   3345

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 (10)

April Cook-Off 2021 Division 3

Passing Marks

April Lunchtime 2021 Division 3

Coldplay

April CodeChef Starters 2021 Division 3 (Rated)

Chef On Island

May Cook-Off 2021 Division 3

Marathon

May Lunchtime 2021 Division 3

Hoop Jump

May CodeChef Starters 2021 Division 3 (Rated)

Lazy Chef, Correct Sentence

May Challenge 2021 Division 3 (Rated)

Xor Equality, Solubility, Golf, Modular Equation, Tic Tac Toe, An Interesting Sequence

June Challenge 2021 Division 3 (Rated)

Bitwise Tuples, Minimum Subtree Cover, Summer Heat, Dual Distance, Bella ciao, Shortest Route, Minimum Dual Area

June Cook-Off 2021 Division 2

Binary String on Steroids, The Wave

June Lunchtime 2021 Division 2

False Number, Unpleasant Ones

July Challenge 2021 Division 2 (Unrated)

Maximum Production, Relativity

CodeChef Starters 6 Division 2 (Unrated)

Three Dices, Cricket Ranking

CodeChef Starters 8 Division 2 (Unrated)

Javelin Qualification, Penalty Shots

CodeChef Starters 12 Division 2 (Unrated)

Make it Divisible

Total Problems Solved: 43