NIraj Rajai

• Username: 2★cs_master78
• Country:  India
• Student/Professional:Student
• Institution:G H Patel College of Engineering and Technology Anand, Gujarat, 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

1403 (-15)RatingProvisional
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October Challenge 2019 Division 2(2019-10-14 15:00:02)

Global Rank:   11079

Cheated in:   

Ratings System Update

(2019-10-14 15:00:02)

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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1403 (+9)RatingProvisional
Rating i Provisional Rating, click to know more

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

Global Rank:   11079

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)

October Challenge 2016

Chef and Three Dogs, Chef and Keyboard

February Challenge 2017

Chef and His Apartment Dues

March Challenge 2017

Xenny and Alternating Tasks, Bear and Extra Number, Bandwidth of a matrix

February Cook-Off 2017

Download file

April Challenge 2017

Dish Of Life, Bear and Row 01, Similar Dishes

May Challenge 2017

Median of adjacent maximum numbers, Courses in an university, Chef and his daily routine

December Challenge 2017

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

April Cook-Off 2017

Bear and Candies 123

March Lunchtime 2017

Bear and Ladder

May Lunchtime 2017

Prefix Inversions

International Coding League (Rated)

Cards Game

Alkhwarizm 2017 (Rated)

Logan and his XOR debacle

May Challenge 2018 Division 2

Minimum Deletions

July Challenge 2018 Division 2

Magic Set

October Challenge 2019 Division 2

Phone Prices

Total Problems Solved: 29