Harsh Kumar

• Username: 3★hadron43
• Country:  India
• Student/Professional:Student
• Institution:Indraprastha Institute of Information Technology, Delhi 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: 11

Current Ratings Graph Old Ratings Graph

1730 (-46)RatingProvisional
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April Challenge 2021 Division 2(2021-04-12 15:00:02)

Global Rank:   3968

Cheated in:   

Ratings System Update

(2021-04-12 15:00:02)

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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1730 (+74)RatingProvisional
Rating i Provisional Rating, click to know more

April Challenge 2021 Division 2(2022-12-20 00:00:00)

Global Rank:   3968

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 (11)

March Challenge 2020 Division 2

Ada Bishop 2, Pintu and Fruits, XOR Engine

April Challenge 2020 Division 2

Strange Number, Sell All the Cars, COVID Pandemic and Long Queue

May Challenge 2020 Division 2

Triple Sort, Coronavirus Spread, Isolation Centers

February Lunchtime 2020 Division 2

At the Gates

UWCOI 2020 (Rated for all)

Button Pairs, Find maximum in an Array

June Challenge 2020 Division 2

Even Matrix, The Tom and Jerry Game!, Chef and Icecream, Covid Sampling (Challenge), Chef and String, Chef and Price Control

July Challenge 2020 Division 2

Chef and Strings, Chef and Card Game, Doctor Chef, Chefina and Swaps, Ada King, Missing a Point

August Challenge 2020 Division 2

Chef Wars - Return of the Jedi, Another Card Game Problem, Chef and Linear Chess, Smallest KMP, Chef and Wedding Arrangements

September Challenge 2020 Division 2

Find XOR, Coronavirus Spread 2, Ada Matrix, Chef and Trump Cards, A Problem on Sticks, Chefina and Swap

August Lunchtime 2020 Division 2

Game on a Strip, Mode of Frequencies

April Challenge 2021 Division 2

Chef and Dice

June Challenge 2021 Division 2 (Unrated)

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

Total Problems Solved: 60