Hiram Borbolla

• Username: 4★hiram91
• Student/Professional:Professional
• Organisation:Universidad de la Habana
• 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: 6

Current Ratings Graph Old Ratings Graph

1881 (-2)RatingProvisional
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December Challenge 2019 Division 1(2019-12-16 15:00:00)

Global Rank:   435

Cheated in:   

Ratings System Update

(2019-12-16 15:00:00)

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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1881 (-72)RatingProvisional
Rating i Provisional Rating, click to know more

December Challenge 2019 Division 1(2022-12-20 00:00:00)

Global Rank:   435

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)

March Challenge 2018 DIV 2

A Big Sale, Mix the Colors, Chef and Glove, Minions and Voting, Minion Chef and Bananas, Chef and Easy Problem

April Challenge 2018 Division 1

Chef and Array (Challenge), Highway Crossing, Count Good Prefixes

May Challenge 2018 Division 1

Edges in Spanning Trees, Dibs on Fibs, Fake Binary Search, Change the Signs, S-T Mincut

December Challenge 2018 Division 1

(Challenge) Delete DAG, Max and Electrical Panel, Chef and Interactive XOR

ALKHWARIZM (Rated)

Help Voldemort, Hedwig The Smart Bird, Sam, The Charming Angel

December Challenge 2019 Division 1

Chefina and Ranges, Binary XOR, Addition

Total Problems Solved: 37