Shailendra Singh

• Username: 2★alex07
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Information Technology, Allahabad Uttar Pradesh
• 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: 10

Current Ratings Graph Old Ratings Graph

1447 (-42)RatingProvisional
Rating i Provisional Rating, click to know more

December Challenge 2018 Division 2(2018-12-18 01:02:02)

Global Rank:   7977

Cheated in:   

Ratings System Update

(2018-12-18 01:02:02)

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?

1447 (+23)RatingProvisional
Rating i Provisional Rating, click to know more

December Challenge 2018 Division 2(2022-12-20 00:00:00)

Global Rank:   7977

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 (10)

October Challenge 2015

Count Subarrays

August Long Challenge 2017

Chef and Rainbow Array, Chef and Mover, Greedy Candidates

September Challenge 2017

Minimum Good Permutation, Little Chef and Sums

October Challenge 2017

A Balanced Contest

December Challenge 2017

Total Diamonds, Chef And his Cake, Penalty Shoot-out

August Cook-Off 2017

Real obtuse, From heaven to earth

August Lunchtime 2017

Mathison and pangrams

January Challenge 2018

K-Concatenation, Maximum Score, Rectangle, Partition the numbers

March Challenge 2018 DIV 2

A Big Sale, Chef and Glove

December Challenge 2018 Division 2

Chef and Interactive Contests

Total Problems Solved: 25