CodeChef Logo CodeChef Logo
Courses

Programming and DSA

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

Career Paths

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

Other Courses

Programming and DSA

Explore courses

Catalogue

Programming and DSA

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

Career Paths

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

Other Courses

Explore courses
Practice Compete Compiler

Courses

Programming and DSA

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

Career Paths

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

Other Courses

Programming and DSA

Explore courses

Catalogue

Programming and DSA

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

Career Paths

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

Other Courses

Explore courses
Practice Compete Compiler
Home » Adán López Alatorre
user profile

Adán López Alatorre

  • 6★adancito
  •   Mexico
  • Student
  • Monterrey Institute of Technology and Higher Education, Mexico
  • No Active Plan. View Details

Submissions Heat Map

Rating Graph

No. of Contests Participated: 26
2304 (+35)RatingProvisional
Rating i Provisional Rating, click to know more
May Lunchtime 2021 Division 1(2021-05-31 23:00:00)
Global Rank:   26
Cheated in:   

Ratings System Update

(2021-05-31 23:00:00)
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?
2304 (-43)RatingProvisional
Rating i Provisional Rating, click to know more
May Lunchtime 2021 Division 1(2022-12-20 00:00:00)
Global Rank:   26
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)

None

Practice Paths (0)

None

Contests (26)

November Challenge 2017

Chef and Subarray Queries, Chef goes Left Right Left, Periodic Palindrome Construction, Villages and Tribes, Chef Hates Palindromes

December Challenge 2017

Chef and Universe, Total Diamonds, Chef And his Cake, Chef And Easy Xor Queries, Penalty Shoot-out, Red and blue points, Chef and Hamming Distance of arrays

December Lunchtime 2017

Days in Month

January Challenge 2018

K-Concatenation, Partition the numbers, String Merging, Rectangle, Maximum Score

February Challenge 2018

Chef And His Characters, Chef And The Patents, Car-pal Tunnel, Permutation and Palindrome

March Challenge 2018 DIV 2

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

March Cook-off 2018 Division 1

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

April Challenge 2018 Division 1

Cutting Plants, Highway Crossing, Count Good Prefixes

May Challenge 2018 Division 1

Change the Signs, Fake Binary Search, Dibs on Fibs

July Challenge 2018 Division 1

No Minimum No Maximum, Gears

August Challenge 2018 Division 1

Coordinate Compression , Modular GCD

September Challenge 2018 Division 1

AND Square Subsegments, Table Game, Bad Shuffle

November Challenge 2018 Division 1

Good Median

October Challenge 2018 Division 1

Appy and Balloons , Minimize Digitsum, Chef and Surprise Chessboard

June Lunchtime 2018 Division 1

Sort the Leaves, Summary Power, Permutation Composition Queries

September Lunchtime 2018 Division 1

Opposite Cites, Coin Partition, Chef Restaurant

October Lunchtime 2018 Division 1

Coloring the Grid, Weird Question, Niceness of the Arrays

January Challenge 2019 Division 1

Yet Another Problem About Sequences, Different Neighbours, Partition the Graph, Distinct Pairs, Party, A Pizza Slice

July Challenge 2019 Division 1

Guess the Prime!, Circular Merging, Hit the Coconuts

September Challenge 2019 Division 1

Biladerim Icin, Fuzzy Linear Combinations, Expected GCD, Doofish Set, Dodgers, Chef Designed a Network

October Challenge 2019 Division 1

(Challenge) Maximizing LIS, Array Modification, Bacterial Reproduction, Even Edges, Queries on Matrix, Chef and Maximum Star Value

November Challenge 2019 Division 1

Physical Exercise, Smallest Beautiful Number, From Zero to Infinity, Single Point of Failure, (Challenge) Coloring Triangulations

April Cook-Off 2020 Division 1

Simple Operations, Inversions in Permutations

March Lunchtime 2020 Division 1 (Unrated)

Strip in a Tree!, Maximize LCM

April Lunchtime 2020 Division 1

Xor Jar Muluk Tar, Triangle Query, Positive Mex

December Challenge 2020 Division 1

Hail XOR, Square Root of LCA Convolution, String Operations, Positive Prefixes, Even Pair Sum

May Lunchtime 2021 Division 1

Tokens On A Tree, Total Components, K-Subarrays

Total Problems Solved: 153

2304
(Div 1)
★★★★★★
CodeChef Rating (Highest Rating 2304)
  • 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

Recent Activity

Fetching recent activity

Workden, MNR PRIDE, 14, HAL Old Airport Rd, Domlur I Stage, 1st Stage, DOMLUR, Bengaluru, Karnataka 560071 [email protected] +91 95911 47880
Find us online

ROADMAPS

Learn Python
Learn Java
Learn C
Learn C++
Data structures and Algorithms
Competitive Programming
More Roadmaps

CAREER PATHS

React JS Developer
Full stack Developer
SQL for Data Analysis
Frontend Developer
Java Backend Developer
Data Analysis using Python
Python Backend Developer
C++ Developer
Machine Learning using Python

COMPILERS

HTML online compiler
C++ online compiler
C online compiler
Java online compiler
Python online compiler
SQL online compiler
JavaScript online compiler
React online compiler
More compilers

COMPANY

About us
For colleges
Coding Contests
Blogs
Contact us
Privacy Policy
Frequently Asked Questions

© 2025 CodeChef Inc. All rights reserved.

We use cookies to improve your experience and for analytical purposes. Read our Privacy Policy and Terms to know more. You consent to our cookies if you continue to use our website.