Li Yao'an

• Username: 4★meeeep
• Country:  Singapore
• Student/Professional:Student
• Institution:National University of Singapore
• 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: 3

Current Ratings Graph Old Ratings Graph

1966? (+379)RatingProvisional
Rating i Provisional Rating, click to know more

May Lunchtime 2018 Division 2(2018-05-26 22:30:00)

Global Rank:   5

Cheated in:   

Ratings System Update

(2018-05-26 22:30:00)

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?

1966? (+121)RatingProvisional
Rating i Provisional Rating, click to know more

May Lunchtime 2018 Division 2(2022-12-20 00:00:00)

Global Rank:   5

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 (3)

May Cook-off 2018 Division 2

Best Cake Ever

May Lunchtime 2018 Division 2

Trace of Matrix, Count Substrings, Shifted Palindrome, Weak in the Middle, Maximum Plus

May Challenge 2018 Division 2

S-T Mincut, Mighty Friend, Change the Signs, Minimum Deletions, Xor Again, Fake Binary Search, Rubber Band, Dibs on Fibs

Total Problems Solved: 14