Rajat singh

• Username: 2★springer
• Country:  India
• Student/Professional:Student
• Institution:Motilal Nehru National Institute of Technology Allahabad Uttar Pradesh, India
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

Last 6 Months 2025 (Jan-Jun)2024 (Jul-Dec)2024 (Jan-Jun)

Rating Graph

No. of Contests Participated: 24

Current Ratings Graph Old Ratings Graph

1483 (-43)RatingProvisional
Rating i Provisional Rating, click to know more

August Lunchtime 2015(2015-08-30 14:00:00)

Global Rank:   1682

Cheated in:   

Ratings System Update

(2015-08-30 14:00:00)

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?

1483 (+126)RatingProvisional
Rating i Provisional Rating, click to know more

August Lunchtime 2015(2022-12-20 00:00:00)

Global Rank:   1682

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)

None

Practice Paths (0)

None

Contests (24)

August Challenge 2013

Hello Hello, Splitting Candies, Little Elephant and Lemonade

August Cook-Off 2013

Chef and The Right Triangles

October Cook-Off 2013

Polo the Penguin and the Test

October Challenge 2013

Helping Lira, Maxim and Dividers

November Challenge 2013

Superpowers of 2, Uncle Johny, Square Digit Squares, Missing some chairs

December Challenge 2013

Magic Pairs

January Challenge 2014

Bon Appetit, Please like me, Chef and Feedback

February Challenge 2014

Little Elephant and Subarrays, Longest Common Pattern

March Challenge 2014

Team Split, Walk, Little Chef and Numbers

April Challenge 2014

Farmer Feb, Shortest Path in Binary Trees

June Challenge 2014

Chef and Subarray, Guessing Game

July Challenge 2014

Count Substrings

August Challenge 2014

Chef and Gift

November Challenge 2014

Distinct Characters Subsequence

January Challenge 2015

Chef and Stones

March Challenge 2015

Chef and Notebooks

April Challenge 2015

Chef and Interview, Broken Telephone, Chef and Piano Scales

July Challenge 2015

Na2a and lucky stone

Total Problems Solved: 49