xay5421

• Username: 7★xuanyi
• Country:  China
• Student/Professional:Student
• Institution:Hangzhou No.2 High School, Zhejiang
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

Last 6 Months 2025 (Jul-Dec)2025 (Jan-Jun)2024 (Jul-Dec)2024 (Jan-Jun)

Rating Graph

No. of Contests Participated: 6

Current Ratings Graph Old Ratings Graph

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September Challenge 2020 Division 1(2020-09-14 15:00:00)

Global Rank:   4

Cheated in:   

Ratings System Update

(2020-09-14 15:00:00)

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2624 (+69)RatingProvisional
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September Challenge 2020 Division 1(2022-12-20 00:00:00)

Global Rank:   4

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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Contests (6)

August Challenge 2019 Division 2

Encoding, Dilemma, Chef and Gordon Ramsay, Football, Distribute Apples, Zombie and the Caves, Guddu and his Mother

October Challenge 2019 Division 2

Bacterial Reproduction, Phone Prices, Operations on a Matrix, (Challenge) Maximizing LIS, Array Modification, Chef and Maximum Star Value, Missing Number, Even Edges

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

August Challenge 2020 Division 1

Smallest KMP, Chef and Wedding Arrangements, Chef Thanos Wants Perfect Balance, Ants (Challenge) , Chefina and Strange Tree, Precious Stones , Subsequence Frequency Counting, Insanely Hard School Exams

September Challenge 2020 Division 1

Chefina and Swap, Ada Matrix, Vibrating Paths (Challenge), Divide Candies, Move the Coins - Creating Tests, Chef and Sums, Rotate the Polyline, Find XOR, Chef and Trump Cards, Move the Coins 2

June Lunchtime 2020 Division 1

Maximum AND, Gold Mining, Square Submatrices

Total Problems Solved: 84