Hairharan S

• Username: 4★hariharans
• Student/Professional:Student
• Institution:Birla Institute of Technology and Science Pilani, Rajasthan, 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: 9

Current Ratings Graph Old Ratings Graph

1830 (-16)RatingProvisional
Rating i Provisional Rating, click to know more

September Challenge 2014(2014-09-15 15:00:00)

Global Rank:   1768

Cheated in:   

Ratings System Update

(2014-09-15 15:00:00)

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?

1830 (+80)RatingProvisional
Rating i Provisional Rating, click to know more

September Challenge 2014(2022-12-20 00:00:00)

Global Rank:   1768

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 (9)

June Cook-Off 2014

Painting, Counting Flags

July Cook-Off 2014

Copy-Paste, Sum Queries

August Cook-Off 2014

Permutation Shuffle

June Challenge 2014

Chef and Digit Jumps, Chef and Subarray, Guessing Game, Forgot Password

July Challenge 2014

Chef and Frogs, Reach The Point, Count Substrings

August Challenge 2014

Chef and Gift

September Challenge 2014

Chef and Rainbow Array - 2, Chef and Left-Right, Fun with Rotation

June Lunchtime 2014

The Smallest Pair

July Lunchtime 2014

And Operation, Shift The String

Total Problems Solved: 20