Ian de Castro de Miranda

• Username: 4★iancastro
• Country:  Brazil
• Student/Professional:Student
• Institution:Universidade Federal do Rio de Janeiro
• 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: 6

Current Ratings Graph Old Ratings Graph

1969 (+96)RatingProvisional
Rating i Provisional Rating, click to know more

December Challenge 2017(2017-12-11 15:00:00)

Global Rank:   149

Cheated in:   

Ratings System Update

(2017-12-11 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?

1969 (-70)RatingProvisional
Rating i Provisional Rating, click to know more

December Challenge 2017(2022-12-20 00:00:00)

Global Rank:   149

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 (6)

April Challenge 2015

Chef and Interview, Broken Telephone, Chef and Piano Scales, Count Sequences

September Challenge 2015

Count Steps in Matrix

November Challenge 2016

Count Permutations, Friends Meeting, Urban Development, Gift and Chef, Chef and squares, Task for Alexey

February Challenge 2017

Chef and His Apartment Dues, Gerrymander, Most Frequent Element, Chef and Triangles, Interval Game, Chef and Yoda

October Challenge 2017

Chef and a great voluntary Program, Max Mex, Counter Test For CHEFSUM, A Balanced Contest

December Challenge 2017

Chef and Universe, Total Diamonds, Santa Delivering Problem, Chef And his Cake, Chef And Easy Xor Queries, Penalty Shoot-out, Red and blue points, Chef and Hamming Distance of arrays

Total Problems Solved: 30