Mr Bu

• Username: 4★Psyho
• Student/Professional:Professional
• Organisation:N/A
• 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: 9

Current Ratings Graph Old Ratings Graph

1980 (-23)RatingProvisional
Rating i Provisional Rating, click to know more

July Challenge 2014(2014-07-14 15:00:00)

Global Rank:   1147

Cheated in:   

Ratings System Update

(2014-07-14 15:00:00)

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?

1980 (+107)RatingProvisional
Rating i Provisional Rating, click to know more

July Challenge 2014(2022-12-20 00:00:00)

Global Rank:   1147

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 (9)

January 2011 Challenge

Count Relations, Flu Shot Lineup

The January 2011 Cook-Off

Holes in the text

July Challenge 2013

Across the River, Galactik Football, The Probability Of Winning, Chef and Walking on the rectangle , Count K-Primes, Sereja and Sorting, Circle of death

July Cook-off 2013

Chopsticks, A Plus B Again!

August Challenge 2013

Splitting Candies, Sereja and Ballons, Chef and Segments, Save The Princess, Hello Hello, Little Elephant and Lemonade, The Number Of Solutions

September Challenge 2013

Little Elephant and Exams, Cool Guys, Chef and Integers , Project Spoon, CAO Stage-1, CAO Stage-2

October Challenge 2013

Helping Lira, Kamehameha, Yet Another Nice Girl, CAO Stage-3, Sereja and Transformation, Maxim and Dividers, Little Elephant and Bamboo

July Challenge 2014

Garden Game, Chef and Frogs, Count Substrings, Reach The Point, Dish Owner

Total Problems Solved: 37