ldxcaicai

• Username: 6★ldxoi
• Country:  China
• Student/Professional:Student
• Institution:Chengdu Shishi High School China
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

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

Rating Graph

No. of Contests Participated: 13

Current Ratings Graph Old Ratings Graph

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March Challenge 2021 Division 1(2021-03-15 15:00:00)

Global Rank:   12

Cheated in:   

Ratings System Update

(2021-03-15 15:00:00)

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2307 (-39)RatingProvisional
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March Challenge 2021 Division 1(2022-12-20 00:00:00)

Global Rank:   12

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)

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Contests (13)

July Challenge 2018 Division 2

No Minimum No Maximum, Gears, Magic Set, Strike or Spare, No Strings Attached, Reach Equilibrium

March Challenge 2019 Division 2

Chef and Number Game, (Challenge) Interleaving Strings, Chef and a Beautiful Digit, Yet Again a Subarray Problem, Cheating on Queue, Chef got Recipes, Chef and Soccer

March Lunchtime 2019 Division 1

Corrupted Seven-Segment Display, Travelling Saleschef, Partition into Permutations

April Challenge 2019 Division 1

Kira Loves Palindromes, Subtree Removal, Playing with Numbers, Mininum XOR over Tree

May Challenge 2019 Division 1

Where to Build the Roads

June Challenge 2019 Division 1

Lent Money, Chef and Ingredients, Intersecting Paths, Sum and GCD

January Challenge 2020 Division 1

Chef and Dynamo, Doraemon, Chefina and Prefix Suffix Sums, English

May Challenge 2020 Division 1

Chef and Bitwise Product, Chef and Rainbow Road, Not a Real World Problem, Binary Land, Triple Sort, Buying a New String, Sorting Vases

June Challenge 2020 Division 1

Even Matrix, The Tom and Jerry Game!, Operations on a Tuple, The Delicious Cake, Convenient Airports, Guessing Game, Perfect Partitions, Danya and Different Values

July Challenge 2020 Division 1

Expected Spanning Trees, Expected Repetitions, Weird Product, Doctor Chef, Chef and Dragon Dens, Chefina and Swaps, LCM Constraints, Missing a Point

Coders' Legacy (Rated for all)

Chef vs Doof, Doof on Cartesian, Doof fires Brackets, Jeremy gets a gift

February Challenge 2021 Division 1

XOR Sums, Prime Game, Another Tree with Number Theory, Team Name

March Challenge 2021 Division 1

Dense Graph, Consecutive Adding, Paparazzi Gennady, Substring Probability, Space Arrays, Locked Safe, Random Walk Queries, Maximum Topological Sort

May Challenge 2021 Division 1 (Unrated)

Xor Equality

January Long 2022 - II, Division 1 (Unrated)

Array Partition

Total Problems Solved: 95