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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

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

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From beginner to job-ready. Explore our curated career paths designed to help you succeed in the tech industry.

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Programming and DSA

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Catalogue

Programming and DSA

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

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walter erquinigo

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  •   Peru
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Submissions Heat Map

Rating Graph

No. of Contests Participated: 45
1946 (-10)RatingProvisional
Rating i Provisional Rating, click to know more
September Challenge 2017(2017-09-11 15:00:00)
Global Rank:   1386
Cheated in:   

Ratings System Update

(2017-09-11 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?
1946 (+27)RatingProvisional
Rating i Provisional Rating, click to know more
September Challenge 2017(2022-12-20 00:00:00)
Global Rank:   1386
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)

None

Contests (45)

March 2010 Contest

Treasure Hunting, Tri-Hexagonal Puzzle

May 2010 Contest

Nice Quadrangles, Rendezvous

June 2010 Contest

Pricing Tollbooths, Robot Game, Prime Pattern, Squirrel and chestnut

July 2010

Closest Ranking, Maximal crosses

December 2010 Challenge

Byteknights and Byteknaves, A String Game

January 2011 Challenge

Restaurant Expansion, Chess Pushing Game, Flu Shot Lineup, Count Relations

April Long Contest

Gravel, Number Game Revisited, Rectangles Counting

May Long Contest 2011

Pruning Trees, Tree Product, The Great Wall of Byteland

September Long Contest

Younger Brother, BIT Magazine

December Cook-Off

Ciel and New Menu, Ciel and Quiz Game, Ciel and A-B Problem

January 2012 Challenge

Houses and Restaurants, Lucky Sum

January Cook-Off

Zeta-Nim Game

February 2012 Challenge

Box and Ball System, Lucky Count, Restore the Recipe, Lucky Long, Word Couting, Count of Maximum

February 2012 Cook-off

Daily Train

March 2012 Challenge

Longest Weird Subsequence, Cosine Partition Function, Lucky Number, Free Shuttle Service, Home Delivery, Spoon in Matrix

April Challenge 2012

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

April Cook-Off 2012

Top Batsmen, Resistance

May Challenge 2012

Jewels and Stones, Lucky lucky number, Divisible Pairs, Remember the recipe, A Home for Chef

June Challenge 2012

Little Elephant and Product, Little Elephant and Candies, Doom Bakes Cakes, Arranging Cup-cakes

July Challenge 2012

Favourite Numbers, Chef's Dream, My Fair Coins, The Gray-Similar Code, Little Elephant and Bubble Sort, Gift Rift, Restaurant Rating

August Challenge 2012

Little Elephant and Bombs, Lucky Driving, Game Count, Range of Data, Delivery Boy, A Game of Thrones, Machine Gun

July Cook-Off 2012

Ciel and Receipt, Ciel and Map, Ciel and Tomya

August Cook-Off 2012

Codechef Password Recovery, Forced Output, Code Crazy Minions

September Challenge 2012

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

October Challenge 2012

Little Elephant and Order, Fierce Battles, Event Organizer, The New Scheme

November Challenge 2012

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

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, Chef of the Year

May Challenge 2013

Matchsticks, Witua and Math, Tree Counting, Queries on tree again!, Password Cracking Challenge, Juno Puzzle for May, Name Reduction, Your Name is Mine, Field Trip

June Challenge 2013

Little Elephant and Mouses, Collecting Magical Berries, Just Some Permutations 3, Dessert Wizard, Two k-Convex Polygons, Predictopus, W String, Lapindromes

May Cook-off 2013

Subtraction Game 1, Subtraction Game 2

July Challenge 2013

Across the River, Mountain Holidays, Galactik Football, Chef and Walking on the rectangle , Count K-Primes, Circle of death

August Challenge 2013

Little Elephant and Lemonade, Save The Princess, Splitting Candies

September Challenge 2013

Little Elephant and Exams, Merciless Chef, Cool Guys, Chef and Integers , Project Spoon, CAO Stage-1, CAO Stage-2

October Challenge 2013

Little Elephant and Bamboo, Helping Lira, Maxim and Dividers, Sereja and Transformation, CAO Stage-3, Yet Another Nice Girl, Kamehameha

December Challenge 2013

Cube Cakes, Chef and Codes, Funny Marbles, Magic Pairs, Reign, Rectangular Queries

July Challenge 2014

Count Substrings

November Challenge 2014

Chef and Segment Game, Distinct Characters Subsequence, Chef and Red Black Tree, Let us construct palindrome

June Challenge 2015

Steady tables, Chef and His Friend, Chef and Memory Limit, Chef and Polygons, Another Fibonacci, Anticommutative implication, Chef and String

September Challenge 2015

Filling the maze, Chain of Doughnuts, Nikitosh and xor, Count Steps in Matrix, Terrible vectors, Bank robbery, Lighthouses, Cracking the Code

October Challenge 2015

Time measure, Count Subarrays, Who dares to be a millionaire, Spheres, Rupsa and Equilateral Triangle

September Lunchtime 2015

Coffee Breaks, Sum of palindromic numbers

October Cook-Off 2016

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

September Challenge 2017

Sereja and Commands, Chef and Pick Digit, Minimum Good Permutation, Little Chef and Sums

Total Problems Solved: 207

1946
(Div 2)
★★★★
CodeChef Rating (Highest Rating 2173)
  • Inactive Global Rank
  • Inactive Country Rank

Badges

Contest Contender - Silver Badge

Contest Contender - Silver Badge

Received for participating in 25 Contests

Problem Solver - Bronze Badge

Problem Solver - Bronze Badge

Received for solving 50 Problems

Daily Streak - Bronze Badge

Daily Streak - Bronze Badge

Received for maintaining a streak of 5 days

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