Himanshu Kumar

• Username: 2★energy786
• Country:  India
• Student/Professional:Student
• Institution:Birla Institute of Technology Mesra Ranchi, Jharkhand, 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: 15

Current Ratings Graph Old Ratings Graph

1565 (+54)RatingProvisional
Rating i Provisional Rating, click to know more

December Lunchtime 2019 Division 2(2019-12-28 22:30:02)

Global Rank:   585

Cheated in:   

Ratings System Update

(2019-12-28 22:30:02)

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?

1565 (-147)RatingProvisional
Rating i Provisional Rating, click to know more

December Lunchtime 2019 Division 2(2022-12-20 00:00:00)

Global Rank:   585

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

13%

Contests (15)

March Challenge 2016

Palindromic substrings

August Challenge 2016

Chef and Chocolate

September Challenge 2016

Chef and digits of a number, Faded Palindromes, Chef and calculation

December Challenge 2016

Train Partner

July Lunchtime 2016

Drumpf for President!

August Lunchtime 2016

Studying Alphabet

January Challenge 2017

Cats and Dogs, Reservior

March Challenge 2017

Bear and Extra Number, Xenny and Alternating Tasks

January Lunchtime 2017

Nothing in Common

May Challenge 2017

Chef and his daily routine, Courses in an university, Median of adjacent maximum numbers

August Long Challenge 2017

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

December Lunchtime 2019 Division 2

Stupid Machine, Check Algorithm

Total Problems Solved: 61