ashish kumar

• Username: 2★blackhat7
• Country:  India
• Student/Professional:Professional
• Organisation:Ericsson India Global Services Pvt Ltd
• 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: 11

Current Ratings Graph Old Ratings Graph

1543 (+53)RatingProvisional
Rating i Provisional Rating, click to know more

December Challenge 2020 Division 2(2020-12-14 15:00:02)

Global Rank:   1240

Cheated in:   

Ratings System Update

(2020-12-14 15:00:02)

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?

1543 (-169)RatingProvisional
Rating i Provisional Rating, click to know more

December Challenge 2020 Division 2(2022-12-20 00:00:00)

Global Rank:   1240

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 (1)

Linked Lists

28%

Practice Paths (2)

Rise from 3* to 4*

9%

Practice for ZCO and INOI

0%

Contests (11)

September Challenge 2016

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

February Challenge 2017

Chef and His Apartment Dues

October Challenge 2020 Division 2

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

November Challenge 2020 Division 2

Restore Sequence, Ada and Dishes, Magical Candy Store, Iron, Magnet and Wall

December Challenge 2020 Division 2

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

October Cook-Off 2020 Division 2

Split the Str Ing, Decreasing Srrnmieeda

October Lunchtime 2020 Division 2

AND Plus OR

September Lunchtime 2020 Division 2

GCD operations, Watermelon

May Long One 2022 Division 2 (Unrated)

Pushpa , The Attack of Queen

Total Problems Solved: 405