Yu Hao

• Username: 3★chosenone973
• Country:  Singapore
• Student/Professional:Student
• Institution:Singapore Management University
• 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: 9

Current Ratings Graph Old Ratings Graph

1613 (+57)RatingProvisional
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CodeChef Starters 7 Division 3 (Rated)(2021-07-25 19:00:00)

Global Rank:   758

Cheated in:   

Ratings System Update

(2021-07-25 19:00:00)

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1613 (-10)RatingProvisional
Rating i Provisional Rating, click to know more

CodeChef Starters 7 Division 3 (Rated)(2022-12-20 00:00:00)

Global Rank:   758

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 (9)

May Challenge 2020 Division 2

Isolation Centers, Coronavirus Spread

May Lunchtime 2020 Division 2

Weird Walk, Convert the String, Lost Weekends

June Challenge 2020 Division 2

Even Matrix, The Tom and Jerry Game!, Chef and Icecream, Chef and String, Chef and Price Control

July Challenge 2020 Division 2

Missing a Point, Chef and Strings, Chef and Card Game, Ada King

June Lunchtime 2020 Division 2

Chef and Demonetisation, Increasing Decreasing

May Lunchtime 2021 Division 2

Charges, Tom And Jerry 1, Total Components

CodeChef Starters 7 Division 3 (Rated)

Ceiling Sum, Maximum Array Xor, Chess Format, Food Chain

Total Problems Solved: 58