Sachin Kelkar ★ ★ ★ ★

• Username: 3★s4chin
• Country:  India
• Student/Professional:Student
• Institution:Columbia University in the City of New York USA
• 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: 7

Current Ratings Graph Old Ratings Graph

1746 (+155)RatingProvisional
Rating i Provisional Rating, click to know more

March Challenge 2018 DIV 2(2018-03-12 15:00:00)

Global Rank:   28

Cheated in:   

Ratings System Update

(2018-03-12 15:00:00)

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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1746 (-153)RatingProvisional
Rating i Provisional Rating, click to know more

March Challenge 2018 DIV 2(2022-12-20 00:00:00)

Global Rank:   28

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)

Practice Paths (1)

Practice for ZCO and INOI

8%

Contests (7)

June Challenge 2014

Chef and Subarray

August Long Challenge 2017

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

September Challenge 2017

Sereja and Commands, Chef and Pick Digit, Minimum Good Permutation, Fill The Matrix, Little Chef and Sums

October Challenge 2017

Chef and a great voluntary Program, A Balanced Contest, Counter Test For CHEFSUM, Max Mex

August Lunchtime 2017

Mathison and pangrams

March Challenge 2018 DIV 2

Pishty and Triangles, Chef and Easy Problem, A Big Sale, Mix the Colors, Chef and Glove, Minions and Voting, Minion Chef and Bananas

Total Problems Solved: 53