sanjay kumar nirankari

• Username: 1★codesolver
• 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 2025 (Jul-Dec)2025 (Jan-Jun)2024 (Jul-Dec)2024 (Jan-Jun)

Rating Graph

No. of Contests Participated: 23

Current Ratings Graph Old Ratings Graph

860 (-275)RatingProvisional
Rating i Provisional Rating, click to know more

May Long One 2022 Division 3 (Rated)(2022-05-09 15:00:04)

Global Rank:   2640

Cheated in:   Plagiarised in MAY221C

Ratings System Update

(2022-05-09 15:00:04)

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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860 (-91)RatingProvisional
Rating i Provisional Rating, click to know more

May Long One 2022 Division 3 (Rated)(2022-12-20 00:00:00)

Global Rank:   2640

Cheated in:   Plagiarised in MAY221C

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 (23)

February 2013 Challenge

Buy1-Get1

February Cook-Off 2013

Lack of Logic

March Challenge 2013

Approximately, Tourist Translations

May Challenge 2013

Name Reduction, Your Name is Mine

June Challenge 2013

Lapindromes

May Cook-off 2013

Subtraction Game 1

July Cook-off 2013

Chopsticks

August Challenge 2013

Splitting Candies, Hello Hello, Little Elephant and Lemonade

November Cook-Off 2014

Brackets

September Challenge 2014

Chef and Left-Right, Fun with Rotation

October Challenge 2014

Chef and Ground, Magical Girl and Colored Liquid Potions

November Challenge 2014

Distinct Characters Subsequence

December Challenge 2014

Chef and Apple Trees

January Cook-Off 2015

Suraj goes shopping

February Challenge 2015

Chef and Equality, Chef and Chain

September Challenge 2015

Count Steps in Matrix

March Challenge 2016

Palindromic substrings

February Challenge 2017

Chef and His Apartment Dues

March Challenge 2018 DIV 2

A Big Sale, Mix the Colors, Chef and Glove

May Challenge 2018 Division 2

Minimum Deletions, Xor Again, Mighty Friend

Starters 37 Division 3 (Rated)

Beat the Average, Laptop Recommendation , Infernos

May Long One 2022 Division 3 (Rated)

Mystical Numbers, Pushpa , Sugarcane Juice Business, The Attack of Queen

Total Problems Solved: 97