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Programming and DSA

Learn to think like a programmer. Develop your problem-solving skills with essential data structures and algorithms.

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Programming and DSA

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Programming and DSA

Learn to think like a programmer. Develop your problem-solving skills with essential data structures and algorithms.

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Practice Compete Compiler
Home » Carlos Joa
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Carlos Joa

  • 5★cjoa
  •   Dominican Republic
  • Professional
  • Instituto Tecnologico de Santo Domingo
  • No Active Plan. View Details

Submissions Heat Map

Rating Graph

No. of Contests Participated: 122
2164 (+20)RatingProvisional
Rating i Provisional Rating, click to know more
Starters 77 Division 1 (Rated till 5 Stars)(2023-02-15 23:00:00)
Global Rank:   21
Cheated in:   

Ratings System Update

(2023-02-15 23:00:00)
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2144 (-12)RatingProvisional
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SnackDown 2021 - Online Elimination Round (Rated for all)(2022-12-20 00:00:00)
Global Rank:   205
Cheated in:   

Ratings System Update

(2022-12-20 00:00:00)
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Learning Paths (0)

None

Practice Paths (0)

None

Contests (122)

May 2009 (Contest III)

The powerful sum, Healthy dinner party

June 2009 (Contest IV)

Product of divisors, Count the squares

July 2009 (Contest V)

The White Knight, Sums in a cuboid

October 2009 (Contest IX)

A puzzle game, Paragraph Formatting, Forces in the crystal

December 2009 (Contest XI)

The N Queens Puzzle Revisited, Palindromic Numbers, Maze of Digits, Plant Location

March 2010 Contest

Treasure Hunting, K-important Strings, The Best Tower, Tri-Hexagonal Puzzle

August Cook Off

Fetching Cooking Tools, Arranging the Appetizers, Cleaning Up

The January 2011 Cook-Off

Holes in the text, Chef team, Whole submatrix

February Cook - Off Challenge

Three Way Communications, Dance Floor Energy

March Cook-off Challenge

Money Transformation, Snake Snaky

April Cook-Off Challenge

A Prime Conjecture, Internet Media Types

May Cook-off 2011

Popular Rice Recipe, Packing the Golden Triangles, Distribute idlis Equally

June Cook-off

Correctness of Knight Move, Super-plane

July Cook-off 2011

Misinterpretation, Garden Squares

August Cook-off 2011

Vote for the Noodle Soup, Open the Dragon Scroll, Rotate the String

September Cook-off

Digit Rotation, Hotel Bytelandia

November Cook-Off

Subanagrams

December Cook-Off

Ciel and New Menu, Ciel and A-B Problem

February 2012 Cook-off

Daily Train

March 2012 Challenge

Longest Weird Subsequence, Free Shuttle Service, Home Delivery, Spoon in Matrix

March Cook-Off 2012

Ciel Numbers I, Ciel Numbers II

April Challenge 2012

Fit to Play, Double Strings, Stacking Pancakes, Greatest Dumpling Fight

April Cook-Off 2012

Top Batsmen

May Challenge 2012

Digits Forest, Little Elephant and Median, Jewels and Stones, Lucky lucky number, Remember the recipe, A Home for Chef

June Cook-Off 2012

Closing the Tweets, Connecting Soldiers, Alien Chefs

July Cook-Off 2012

Ciel and Receipt, Ciel and Map, Ciel and Tomya

August Cook-Off 2012

Code Crazy Minions

September Challenge 2012

Kisses & Hugs, Racing Horses, Queries About Numbers, ChefTown Parade, Three is Crowd

September Cook-Off 2012

Recipe Reconstruction, Carvans, Coal Scam

October Cook-Off 2012

Buying Sweets, Tennis Tournament

November Challenge 2012

A Wonderful Chocolate, Candy Collecting Game, Coin Flip, Jam Board, Sridhar Likes Travelling

November Cook-Off 2012

Little Elephant and Permutations, Little Elephant and Divisors

December Cook-Off 2012

Packaging Cupcakes, Reversing directions

January Cook-Off 2013

Minimum Distance, Many Chefs, Defacing Score

February Cook-Off 2013

Lack of Logic, Row and Column Operations

March Cook-off 2013

The Ball And Cups, Palindrome

April Cook-Off 2013

Andrew and the Birthday, Andrew and the Meatballs, Andrew and the Strings, Andrew and the Meatballs again

May Cook-off 2013

Subtraction Game 1, Subtraction Game 2

June Cook-Off 2013

Attic Crossing, Lyra and the Alethiometer, Tywins Tactics

July Cook-off 2013

Chopsticks, A Plus B Again!

August Cook-Off 2013

Chef and The Right Triangles, Chef and The Divisibility Queries

September Cook-Off 2013

Strange Matrix, Code

October Cook-Off 2013

Polo the Penguin and the Lucky String, Polo the Penguin and the Numbers, Polo the Penguin and the Test

November Cook-off 2013

Am I a Fibonacci Number, Lowest Sum, Number of Paths, Rank of the Number

January Cook-off 2014

Chef and the Cake I, Interrogating Gangsters

February Cook-Off 2014

Chef and Remissness, Chef and Kingship

March Cook-Off 2014

Game of Divisors, ABC-Strings, 3-Palindromes, Dividing Stamps

April Cook-Off 2014

Snape and Ladder

May Cook-Off 2014

Book Game with Chef, Divide the Cake, Ups and Downs

June Cook-Off 2014

Counting Flags, Painting

July Cook-Off 2014

Copy-Paste, Sum Queries, Friends

August Cook-Off 2014

Tree Game, Permutation Shuffle

September Cook-Off 2014, ACM-ICPC Warm up

Sherlock and the Grid, Subarray GCD, Subarray LCM

November Cook-Off 2014

Lost Graph, Brackets, Petersen Graph

December Cook-Off 2014

Matrix Again, Player, Good Joke!

February Challenge 2014

Little Elephant and Movies, Draughts, Make Him Happy, Longest Common Pattern, Little Elephant and Subarrays, Colored Array, Make It Zero 2

March Challenge 2014

Sereja and Sorting 2, Team Split, Binary Tournament, Walk, Maximum number, GCD condition, Little Chef and Numbers, Mike and Stamps, A Story with Strings

February Cook-Off 2015

Fit Squares in Triangle, Strategy for the World Cup

March Cook-Off 2015

How to Minimize a String, How to Write a Message, How to Repaint a Fence

April Cook-Off 2015

Lucky Fives, Equality, Version Control System

May Cook-Off 2015

Devu and friendship testing, Devu and decorating birthday cake

June Cook-Off 2015

Ankit, Srijan and a game of stone piles, Longest non regular parentheses sub-sequence, Strange operations

July Cook-Off 2015

Cops and the Thief Devu, Maximize Disjoint Pair Sum, Path containing K Nodes

August Cook-Off 2015

Chef and the XORed Number , Chef and the Wildcard Matching

September Mega Cook-Off 2015

Forgotten Language, Super Numbers, Stacks

October Cook-Off 2015

Word Stem, Almost Sorted Permutation

November Cook-Off 2015

Sereja and Line, Sereja and Array and Subtracting, Sereja and Pairs

September Challenge 2016

Chef and Friends, Dividing Machine, Chef and Matrix Division, Chef and digits of a number, Faded Palindromes, JosephLand, Chef and calculation

January Cook-Off 2016

Chef and Destruction, Chef and Fruits

February Cook-Off 2016

Puppy and Catchers, Puppy and Board, Puppy and Sum

March Cook-Off 2016

Digital clock, Dual Nim, Alternating subarray prefix

April Cook-Off 2016

Movie Weekend, Odd Divisors, Queries on a Binary Tree

May Cook-Off 2016

Phantasialand, Easy Numbers

June Cook-Off 2016

Sticks, Right Triangle, Chef Land

July Cook-Off 2016

Chef and Proportion, Chef and Numbers, Chef and Land

August Cook-Off 2016

Tweedle-Dee and Tweedle-Dum , Mock Turtle

September Cook-Off 2016

Lazy Jem, The Lost Arithmetic Sequences, Counting Strings

October Cook-Off 2016

Sherlock and the Ugly Flower, Watson asks Does Permutation Exist, ChefWatson uses Social Network

November Cook-Off 2016

Sebi and the highway, Sebi and the corrupt goverment

December Cook-Off 2016

Chef and Subset, Chef and Subarrays

February Lunchtime 2016

Chef and Socks, Chef and Tic-Tac-Toe

March Lunchtime 2016

Simple Statistics

October Lunchtime 2016

The Largest Bouquet, The Counties

January Cook-Off 2017

Digit Longest Increasing Subsequences 2

February Cook-Off 2017

Download file, Chairs, Cooking Game

March Cook-Off 2017

Rainbow Graph, Yet Another Card Game, Safe Robot

May Cook-Off 2017

La Liga, Balanced Array, Hussain Set, Nasty Queries

June Cook-Off 2017

Ada and crayons, Knight Covering, SnackUp, Centeroid

July Cook-Off 2017

Chang and Bitwise OR, Chang and the Perfect Function

August Cook-Off 2017

Matrix and Chef, Real obtuse, From heaven to earth

September Cook-Off 2017

Infinite OR Game, Statistics Construction, Subsequence Equality

October Cook-Off 2017

Chef and Counting Test, Chef and Employment Test, Chef and Weird Queries

November Cook-Off 2017

Skiing, Online Chess, Random Pair

December Cook-Off 2017

Minimum SubArray, Beautiful Array, Football Match

April Lunchtime 2017

Bear and Segments, Bear and Segment 01

June Lunchtime 2017

Maximum Unique Segment, Two Numbers, Company and Club Hierarchies

July Lunchtime 2017

Find the Maximum Value

December Lunchtime 2017

Days in Month, Strange Function, Too Much Sweetness

International Coding League (Rated)

Cards Game, Worst Case Analysis, Watermelon Farmer

January Cook-Off 2018

Multiple of 3, Survive in ChocoLand

International Coding League (Rated)

Matrix Game, Stingy Strings, Maze Love

February Cook-Off 2018

Chef and Cook-Off, Chef and Tuples, Chef and Line

March Cook-off 2018 Division 1

Chef Goes to the Cinema, Chef Restores an Array, Chef Restores a Matrix

May Cook-off 2018 Division 1

Best Cake Ever

September Mega Cook-Off 2018 Division 1

Make a Permutation

ProCon 2018 (Rated for all)

The Great Run, Kill them with your success, Awkward Pairs, Algebra Score

April Lunchtime 2019 Division 1

Dream Problem, Firdavs and Planet F, Minimum Sum

June Lunchtime 2019 Division 1

The Grux Permutation , Gii and His Club, Igzi and Burly Array

August Cook-Off 2020 Division 1

Red-blue Trees, Polygon Relationship

January Cook-Off 2021 Division 1

Mex Subsequence, Not Too Colourful

December Lunchtime 2020 Division 1 (Unrated)

Even Sequence, Three Letters, One Zero Swaps

October Cook-Off 2020 Division 1

Path-etic Sums

October Lunchtime 2020 Division 1

Chef Likes Good Sequences, Chef Is Just Throwing Random Words, Cute Chef Gift

September Lunchtime 2020 Division 1

Root the Tree, Robot Detector

UWCOI 2021 (Rated for all)

Organisation, Array Swaps, Hidden Numbers

March Cook-Off 2021 Division 1

Consecutive Deletions, Water Transfer

February Lunchtime 2021 Division 1

Average Sorting, Sed Max, Independent Set

International Coding Marathon 2021 Division 1 (Unrated)

Suffix Sort, Infinite polygons, Team Divisions, Special String, Lucky Boundaries

April Cook-Off 2021 Division 1

Tree Distances, OR of ANDs

SPYBITS IIT BHU Division 1 (Unrated)

B - Valentine Couples, C - Mission Gotham, D - Pilgrims Destination, F - Stone Land, A - Save Water Save Life

May Cook-Off 2021 Division 1

Permutation Swaps, Double Burgers

May Challenge 2021 Division 1 (Unrated)

Valid Paths, An Interesting Sequence, King Killing

July Challenge 2021 Division 1 (Unrated)

Chef and Pairs, K Path Query

SnackDown 2021 - Online Qualifiers

Lucky Number, Maximum Number Of Distinct Elements

October Cook-Off 2021 Division 1

Can You Reach The End

SnackDown 2021 - Online Round 1A

Round Robin Ranks , Dance Moves, Equal Beauty, Min Max LCM

SnackDown 2021 - Online Pre-Elimination

Product Pain, Guests like slippers

SnackDown 2021 - Online Elimination Round (Rated for all)

Graduate Work Matters, Sorting Segments

Starters 77 Division 1 (Rated till 5 Stars)

K Forests, Concat Palindrome, K Increment Palindrome, Three Numbers

Total Problems Solved: 482

2164
(Div 1)
★★★★★
CodeChef Rating (Highest Rating 2406)
  • Inactive Global Rank
  • Inactive Country Rank

Badges

Contest Contender -  Diamond Badge

Contest Contender - Diamond Badge

Received for participating in 100 Contests

Problem Solver - Silver Badge

Problem Solver - Silver Badge

Received for solving 250 Problems

Daily Streak - Bronze Badge

Daily Streak - Bronze Badge

Received for maintaining a streak of 5 days

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