Sergio Luis Perez Perez
- 4★sergio10barca
Mexico- Professional
- No Active Plan. View Details
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Ratings System Update
(2021-05-17 15:00:02)Ratings System Update
(2022-12-20 00:00:00)Learning Paths (0)
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Practice Paths (0)
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Contests (131)
May Long Contest 2011
Tree Product
May Cook-off 2011
Popular Rice Recipe
June Long Contest 2011
Maximal Score Path, Chef Teams
June Cook-off
Correctness of Knight Move
July 2011 Long Contest
Large Kitchen, Most Popular Friend
July Cook-off 2011
Garden Squares
August Long Contest 2011
Infinite Grid Game, Complex Spanning Tree
August Cook-off 2011
Vote for the Noodle Soup, Open the Dragon Scroll
September Long Contest
BIT Magazine
October Long Contest 2011
Dish Distribution, The Great Plain, Lucky Palin
September Cook-off
Digit Rotation, Hotel Bytelandia
November Cook-Off
Moving Coins, Subanagrams
February 2012 Challenge
Lucky Long, Word Couting, Count of Maximum
March 2012 Challenge
Longest Weird Subsequence, 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, Similar Graphs
April Cook-Off 2012
Top Batsmen
May Challenge 2012
Killing Gs, Little Elephant and Median, Jewels and Stones, Lucky lucky number, Divisible Pairs, Remember the recipe
May Cook-Off 2012
Little Elephant and Strings
June Challenge 2012
Closest Points, Little Elephant and Candies, Doom Bakes Cakes, Arranging Cup-cakes
July Challenge 2012
Chef's Dream, My Fair Coins, Gift Rift, Restaurant Rating
August Challenge 2012
Little Elephant and Bombs, Delivery Boy
July Cook-Off 2012
Ciel and Receipt
September Challenge 2012
Kisses & Hugs, Racing Horses
September Cook-Off 2012
Prime Permutations, Recipe Reconstruction, Carvans, Coal Scam
October Cook-Off 2012
Buying Sweets, Equalization
November Cook-Off 2012
Little Elephant and Permutations, Little Elephant and Divisors
December Challenge 2012
Sereja and Data Structures , Granama Recipes, Book Exercises, Magic Rankings, The Uncountable Ways, Pizza Delivery
January Challenge 2013
Little Elephant and Alcohol, The Minimum Number Of Moves, End Of The World, A Fence for Byteland, Chef of the Year, Three Different Numbers
February 2013 Challenge
Little Elephant and Cards, Buy1-Get1, Climbing Stairs, Efficient Painting
February Cook-Off 2013
Lack of Logic, Row and Column Operations
March Challenge 2013
Random decreasing function, Tourist Translations, Approximately, Fire Escape Routes, Minesweeper
March Cook-off 2013
The Ball And Cups, Palindrome
April Challenge 2013
Little Elephant and Music, Barcelona Gameplay Tactics, ChefGame, Kingdom Unity, Fault Tolerance, Maximum Weight Difference, Levy Conjecture
May Challenge 2013
Matchsticks, Witua and Math, Password Cracking Challenge, Name Reduction, Your Name is Mine, Field Trip
June Challenge 2013
Little Elephant and Mouses, Collecting Magical Berries, Just Some Permutations 3, Dessert Wizard, Predictopus, To challenge or not, W String, Lapindromes
June Cook-Off 2013
Attic Crossing, Lyra and the Alethiometer
Lunch Time June 2013
Online Shopping, Number of Factors
July Challenge 2013
Mountain Holidays, 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
Little Elephant and Lemonade, Hello Hello, Save The Princess, The Number Of Solutions, Chef and Segments, Sereja and Ballons, Deleting numbers, Splitting Candies
September Challenge 2013
Little Elephant and Exams, Cool Guys, Chef and Integers , CAO Stage-1, CAO Stage-2, Sereja and Snake
September Cook-Off 2013
Strange Matrix, Code
October Cook-Off 2013
Polo the Penguin and the Numbers, Polo the Penguin and the Test
October Challenge 2013
Little Elephant and Bamboo, Helping Lira, Maxim and Dividers, Sereja and Transformation, Yet Another Nice Girl, Edit Distance on Grid, Kamehameha
November Challenge 2013
Superpowers of 2, Yet Another Cute Girl, Sereja and Vectors, Uncle Johny, Square Digit Squares, Missing some chairs
December Challenge 2013
Art in Digital Age, Cube Cakes, Chef and Codes, Funny Marbles, Magic Pairs, Reign, Rectangular Queries
December Cook-off 2013
Chef Goes Through Segments, Chef and Girlfriend
December Lunchtime 2013
Mike and Task Packages, Mike and Matrices
January Challenge 2014
Bon Appetit, Please like me, Chef and Feedback
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, Dividing Stamps
April Cook-Off 2014
Snape and Ladder, BiCo Gaming Grid
July Cook-Off 2014
Copy-Paste, Sum Queries, Friends
October Cook-Off 2014
The Army, Walk on the Axis, Mahesh and his lost array
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
April Challenge 2014
Sereja and Permutation, Counting Matrices, Farmer Feb, Cards, bags and coins, Chef and Digits, Divide the Tangerine, Shortest Path in Binary Trees
May Challenge 2014
Little Elephant and Balloons, Compilers and Parsers, Chef-jumping, Chef and Strange Matrix, Stone
June Challenge 2014
Maxim and Progressions, Chef and Functions, Chef and Digit Jumps, Chef and Subarray, Guessing Game, Forgot Password
July Challenge 2014
Little Elephant and Painting, Garden Game, Chef and Frogs, Chef and Rectangle Genome, Count Substrings, Reach The Point, Dish Owner
August Challenge 2014
Mountain Holidays 2, Sereja and Shuffling, Little Elephant and T-Shirts, Chef and Reversing, The Leaking Robot, Cleaning Tables, Chef and Gift
September Challenge 2014
Factorisation, Chef and Rainbow Array - 2, Chef and Left-Right, Chef and sequence, Fun with Rotation
October Challenge 2014
Remy paints the fence, Chef and Ground, Chef and Painting, Chef and Square, Magical Girl and Colored Liquid Potions, DevuLand, Dinosaurs and Laddus
November Challenge 2014
Chef and Segment Game, Distinct Characters Subsequence, Let us construct palindrome
December Challenge 2014
Alok-nath and His Sanskars, Chef and Bracket-Pairs, XOR with Subset, Chef and Apple Trees
March Lunchtime 2014
Statements Checking
July Lunchtime 2014
And Operation, Shift The String
September Lunchtime 2014
Chef and easy problem, Chef and easy problem 2
October Lunchtime 2014
Tanu and Head-bob, Physics Class, Cascading Style Sheets
January Challenge 2015
Queries on the String, Sereja and Number Division 2, Chef and Stones, Sereja and Votes, One Dimensional Kingdoms, Gcd Queries
January Cook-Off 2015
Suraj goes shopping, Tojo hates probabilities
January Lunchtime 2015
Piece of cake, Candidate walk, Just multiply
February Challenge 2015
Chef and Chain, Time to Study Graphs with Chef, Chef and Strange Formula, Chef and Strings, Let us play with rank list, Jigsaw Puzzle Solving, Chef and Equality
March Challenge 2015
Chef and Notebooks, Devu and his Class, Sign Wave
April Challenge 2015
Count Sequences, Chef and Interview, Broken Telephone, Inversion sorting, Division of Lands, Chef and Piano Scales
May Challenge 2015
Devu and binary String, Chef and Prime Divisors, Set Difference , Chef and new recipe
June Challenge 2015
Steady tables, Chef and Memory Limit, Chef and Polygons
July Challenge 2015
Maximum Difference Walk, Bread, MasterChef, Na2a and lucky stone, Chef and Cube
August Challenge 2015
Way Out, Gravity Guy, Cooking Machine, Aditi and Magic Trick
September Challenge 2015
Chain of Doughnuts, Nikitosh and xor, Count Steps in Matrix, Bank robbery, Lighthouses, Cracking the Code
October Challenge 2015
Time measure, Count Subarrays, Who dares to be a millionaire, Spheres, Rupsa and Equilateral Triangle
November Challenge 2015
Eugene and function, Simple Sum, Chef and cakes
December Challenge 2015
Chef and the stones, Plane Division, Oracle Devu and Longest Common Subsequence, Chef and Filters
April Cook-Off 2015
Equality, Version Control System
September Mega Cook-Off 2015
Forgotten Language, Stacks
November Cook-Off 2015
Sereja and Line, Sereja and Array and Subtracting
March Lunchtime 2015
Saving a gift of love, Chef Anup
April Lunchtime 2015
Tickets
June Lunchtime 2015
Chef and Submatrix, Chef and Two Strings
September Lunchtime 2015
Sum of palindromic numbers
November Lunchtime 2015
Black And White Cells
January Long Challenge 2016
Rupsa and the Game, Churu and Balls, Chef and Making Triples, Chef and Time Machine, Devu and Perfume
February Challenge 2016
Chef-Detective
March Challenge 2016
Sereja and Two Strings 2, Palindromic substrings, Chef and Number Guessing, maximize the sum, Chef And Special Dishes
April Challenge 2016
Help Watson Escape, Chef and Ballons, Chef And Magical Path, Chef And Coloring
May Challenge 2016
Chef and Balls, Forest Gathering, Chef and Big Soccer, Laddu
June Challenge 2016
Chef And The Hiring Event, Chef and Rectangle Array, Chef and Array and K, Chef And Binary Operation, Chef and Coins Game, Devu and an Array
July Challenge 2016
Andrash and Stipendium, Chef and Segments, Chef and Tetris, Chef and Robots Competition, Chefland and Electricity, Scheduling jobs on a cluster
August Challenge 2016
Chef and His Garden, Fighting Ebola, Chef and Circle Run, Chef and Chocolate, Chef and Round Run
September Challenge 2016
Chef and Friends, Dividing Machine, Chef and Matrix Division, Chef and digits of a number, Faded Palindromes, JosephLand, Chef and calculation
October Challenge 2016
Sereja and Progressions, Chef and Keyboard, Fenwick Iterations, Chef and Three Dogs
November Challenge 2016
Count Permutations, Friends Meeting, Gift and Chef, Chef and squares, Sereja and Ways in the Cube, Task for Alexey
December Challenge 2016
Train Partner, Kth Max Subarray, Kirito in labyrinth, Edit Distance Revisited, Our Base is Under Attack
January Cook-Off 2016
Chef and Fruits
February Cook-Off 2016
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
June Cook-Off 2016
Sticks, Right Triangle
August Cook-Off 2016
Tweedle-Dee and Tweedle-Dum
June Lunchtime 2016
Collisions, One more weird game
January Challenge 2017
Capital Movement, Cats and Dogs, Digits Cannot Separate, Reservior, Tourists in Mancunia
February Challenge 2017
Eugene and big number, Interval Game, Chef and Triangles, Chef and His Apartment Dues, Most Frequent Element, Gerrymander, Alice and her garden
March Challenge 2017
Xenny and Alternating Tasks, Bear and Extra Number, (CH) Bear and Sorted Rows, Bandwidth of a matrix
August Long Challenge 2017
Chef and Rainbow Array, Chef and Mover
November Challenge 2017
Chef and Intersection Line, Chef Hates Palindromes, Chef goes Left Right Left, Periodic Palindrome Construction, Villages and Tribes
December Challenge 2017
Chef and Universe, Total Diamonds, Chef And his Cake, Penalty Shoot-out, Chef and Hamming Distance of arrays
November Cook-Off 2017
Skiing, Online Chess, Random Pair
November Lunchtime 2017
Smart Strategy
January Challenge 2018
(Challenge) Chef and Palindromes, K-Concatenation, Maximum Score, Rectangle, String Merging, Partition the numbers
February Challenge 2018
Chef And His Characters, Chef And The Patents, Car-pal Tunnel, Permutation and Palindrome
February Cook-Off 2018
Chef and Cook-Off, Chef and Tuples, Chef and Line
January Challenge 2020 Division 2
Chef and Dynamo, Doraemon, Equality, Breaking Bricks, (Challenge) Building Anthills
April Challenge 2020 Division 1
Strange Number, Squared Subsequences, Leaked Answers (Challenge), COVID Pandemic and Long Queue
September Challenge 2020 Division 1
Chefina and Swap, Find XOR, Ada Matrix
April Challenge 2021 Division 2
Worthy Matrix, Chef and Dice
May Challenge 2021 Division 2 (Rated)
Xor Equality, Tic Tac Toe