Harishankar S

• Username: 2★hari_nair
• Country:  India
• Student/Professional:Professional
• Organisation:Hewlett Packard Enterprise
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

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

Rating Graph

No. of Contests Participated: 6

Current Ratings Graph Old Ratings Graph

1525 (+81)RatingProvisional
Rating i Provisional Rating, click to know more

April Challenge 2021 Division 3(2021-04-12 15:00:04)

Global Rank:   554

Cheated in:   

Ratings System Update

(2021-04-12 15:00:04)

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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1525 (-137)RatingProvisional
Rating i Provisional Rating, click to know more

April Challenge 2021 Division 3(2022-12-20 00:00:00)

Global Rank:   554

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

6%

Contests (6)

September Challenge 2020 Division 2

A Problem on Sticks

October Challenge 2020 Division 2

Positive AND, Replace for X, Covid Run, Chef and Easy Queries

December Challenge 2020 Division 2

Positive Prefixes, Even Pair Sum, Vaccine Production, Vaccine Distribution

January Challenge 2021 Division 3

Point Of Impact, Encoded String, Chef and Division 3, Fair Elections

March Challenge 2021 Division 3

Interesting XOR!, Chef and Groups, No Time to Wait

April Challenge 2021 Division 3

Binary String MEX, Worthy Matrix, Chef and Dice, Valid Pair, World Record, Strong Language

Total Problems Solved: 39