Ankur Rai

• Username: 1★raichu7
• Country:  India
• Student/Professional:Student
• Institution:Techno India Saltlake Kolkata, West Bengal, 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: 13

Current Ratings Graph Old Ratings Graph

1187 (+31)RatingProvisional
Rating i Provisional Rating, click to know more

July Challenge 2019 Division 2(2019-07-15 15:00:02)

Global Rank:   5952

Cheated in:   

Ratings System Update

(2019-07-15 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?

1187 (+216)RatingProvisional
Rating i Provisional Rating, click to know more

July Challenge 2019 Division 2(2022-12-20 00:00:00)

Global Rank:   5952

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)

Practice Paths (1)

Practice for ZCO and INOI

1%

Contests (13)

May Challenge 2017

Median of adjacent maximum numbers, Chef and his daily routine

June Challenge 2017

A Good Set

July Challenge 2017

Whats in the Name

August Long Challenge 2017

Chef and Rainbow Array

September Challenge 2017

Chef and Pick Digit, Minimum Good Permutation, Little Chef and Sums

October Challenge 2017

Counter Test For CHEFSUM, A Balanced Contest, Max Mex

May Cook-Off 2017

La Liga

July Cook-Off 2017

Chang and Bitwise OR

June Lunchtime 2017

Two Numbers

August Lunchtime 2017

Mathison and pangrams

September Lunchtime 2017

Chef and Cook-Off Contests

February Cook-Off 2018

Chef and Cook-Off

July Challenge 2019 Division 2

Chef and Mean

Total Problems Solved: 80