Luis Manuel Díaz Barón

• Username: 3★luismo
• Country:  Portugal
• Student/Professional:Professional
• Organisation:Home Office
• CodeChef Pro Plan: No Active Plan. View Details

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Last 6 Months 2026 (Jan-Jun)2025 (Jul-Dec)2025 (Jan-Jun)

Rating Graph

No. of Contests Participated: 19

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1653 (+10)RatingProvisional
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Starters 205 (Rated)(2025-09-24 22:00:02)

Global Rank:   565

Cheated in:   

Ratings System Update

(2025-09-24 22:00:02)

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1598 (-11)RatingProvisional
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July Long Two 2022 Division 3 (Rated)(2022-12-20 00:00:00)

Global Rank:   242

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

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Learning Paths (0)

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Practice Paths (0)

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Contests (19)

October Challenge 2020 Division 2

Covid Run, Positive AND

November Challenge 2020 Division 2

Restore Sequence, Ada and Dishes

March Challenge 2021 Division 3

Interesting XOR!, Chef and Groups, Space Arrays, No Time to Wait

April Challenge 2021 Division 3

Valid Pair, World Record, Strong Language

June Challenge 2021 Division 3 (Rated)

Bitwise Tuples, Summer Heat, Bella ciao, Shortest Route

August Challenge 2021 Division 3 (Rated)

Special Triplets, Chef and Bulb Invention, Problem Difficulties, Olympics Ranking

September Challenge 2021 Division 3 (Rated)

Shuffling Parities, Airline Restrictions, Travel Pass

October Challenge 2021 Division 3 (Rated)

Longest AND Subarray, Which Mixture, MEX-OR, Three Boxes

May Long Two 2022 Division 3 (Rated)

Xor Palindrome, Subarrays with length, Score High, Make them Zero, Degree of Polynomial

June Long One 2022 Division 3 (Rated)

Alternate Additions, Equal Strings, Possible GCD, Divisible by i , Subscriptions

June Long Two 2022 Division 3 (Rated)

Count the ACs, Make all equal using Pairs, AP Grid, Complementary Strand in a DNA, Reversal Sorting, Strong Elements

July Long One 2022 Division 3 (Rated)

Journey of the Knight, Chef and Candies, Pass the Exam, Game of Piles Version 1, Slow Solution

July Long Two 2022 Division 3 (Rated)

Concat Sort, Chef in his Office, To Divide or Not To Divide, Sum of Product 1, Hungry Chef, Maximize Difference

August Long 2022 Division 2 (Unrated)

Hello Equation

September Long 2022 Division 2 (Unrated)

Good Pairs, Interesting Subarray, Pokemon Battles

October Long 2022 Division 2 (Unrated)

Binary Substituition, Single Operation Part 1, Single Operation Part 2

November Long 2022 Division 2 (Unrated)

MaxEdges, Split and Maximize, Spliting Balls

January Long 2023 Division 3 (Rated)

Far from origin, Minimize the Maximum, Asymmetric Swaps, Array Halves

Starters 77 Division 2 (Rated)

Concat Palindrome, Three Numbers

Starters 132 Division 2 (Rated)

ALIEN-OR, GAME 11

Starters 133 Division 2 (Rated)

Maximum Alternating Sum

Starters 202 (Rated)

Min-Max Deque (Easy), If Only I Could Read, Buying Flowers

Starters 205 (Rated)

Unreachable, Mirror Jump, Triplet Maximization

Weekend Dev Challenge 27: SQL Projects

Challenge 1 - Active Employees of Chef Corp, Driver Performance Dashboard Project, Song Stats Analyzer Project, Challenge 2 - Chef Corp Department Summary, Challenge 3 - Active Project Team Members, Challenge 4 - Chef Corp Project Workforce Summary

Total Problems Solved: 95