RANA ABHISHEK KUMAR SINGH

• Username: 2★ranacs150
• Student/Professional:Student
• Institution:National Institute of Technology, Jamshedpur 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: 18

Current Ratings Graph Old Ratings Graph

1490 (+40)RatingProvisional
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February Challenge 2015(2015-02-16 15:00:00)

Global Rank:   2342

Cheated in:   

Ratings System Update

(2015-02-16 15:00:00)

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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1490 (-153)RatingProvisional
Rating i Provisional Rating, click to know more

February Challenge 2015(2022-12-20 00:00:00)

Global Rank:   2342

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 (18)

June Cook-Off 2014

Counting Flags

July Cook-Off 2014

Copy-Paste, Sum Queries

October Cook-Off 2014

The Army, Walk on the Axis

November Cook-Off 2014

Brackets

June Challenge 2014

Chef and Subarray, Guessing Game, Forgot Password

July Challenge 2014

Chef and Frogs, Chef and Rectangle Genome, Count Substrings, Reach The Point

August Challenge 2014

The Leaking Robot, Chef and Gift

September Challenge 2014

Chef and Left-Right

October Challenge 2014

Chef and Ground, Magical Girl and Colored Liquid Potions, DevuLand, Dinosaurs and Laddus

November Challenge 2014

Distinct Characters Subsequence

October Lunchtime 2014

Tanu and Head-bob

January Challenge 2015

Chef and Stones, Sereja and Votes

February Challenge 2015

Chef and Chain, Let us play with rank list, Chef and Equality

Total Problems Solved: 54