liyan

• Username: 2★zimuyanzi
• Student/Professional:Student
• Institution:Tianjin University, 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: 8

Current Ratings Graph Old Ratings Graph

1514 (-20)RatingProvisional
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November Challenge 2014(2014-11-17 15:00:00)

Global Rank:   4479

Cheated in:   

Ratings System Update

(2014-11-17 15:00:00)

This is the difference due to changing the rating system.This graph is not updated after 20th Dec 2022. Know more

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1514 (+19)RatingProvisional
Rating i Provisional Rating, click to know more

November Challenge 2014(2022-12-20 00:00:00)

Global Rank:   4479

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)

Practice Paths (1)

Practice for ZCO and INOI

1%

Contests (8)

March Challenge 2014

Walk, Little Chef and Numbers

April Challenge 2014

Counting Matrices, Farmer Feb, Chef and Digits, Divide the Tangerine, Shortest Path in Binary Trees

May Challenge 2014

Chef-jumping

June Challenge 2014

Chef and Subarray, Guessing Game

July Challenge 2014

Count Substrings

August Challenge 2014

The Leaking Robot, Chef and Gift

November Challenge 2014

Distinct Characters Subsequence

Total Problems Solved: 15