Liang He

• Username: 5★roba
• Student/Professional:Professional
• Organisation:Facebook
• CodeChef Pro Plan: No Active Plan. View Details

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

Rating Graph

No. of Contests Participated: 10

Current Ratings Graph Old Ratings Graph

2021 (-39)RatingProvisional
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December Challenge 2014(2014-12-15 17:00:00)

Global Rank:   1199

Cheated in:   

Ratings System Update

(2014-12-15 17:00:00)

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2021 (+208)RatingProvisional
Rating i Provisional Rating, click to know more

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

Global Rank:   1199

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 (10)

October Challenge 2012

Fierce Battles

December Challenge 2013

Chef and Codes, Funny Marbles, Magic Pairs, Reign, Rectangular Queries

February Challenge 2014

Little Elephant and Subarrays, Make It Zero 2, Colored Array, Longest Common Pattern, Chef and Favourite Sequence, Make Him Happy, Draughts, Little Elephant and Movies

March Challenge 2014

Team Split, Binary Tournament, Walk, Little Chef and Numbers, Mike and Stamps, A Story with Strings

April Challenge 2014

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

May Challenge 2014

Compilers and Parsers, Chef-jumping, Chef and Strange Matrix, Stone

October Challenge 2014

Remy paints the fence, Chef and Ground, Chef and Square, Magical Girl and Colored Liquid Potions, DevuLand, Dinosaurs and Laddus

December Challenge 2014

XOR with Subset, Alok-nath and His Sanskars

January Lunchtime 2014

Chef and Shop, Chef and String, Chef and Numbers, Chef and Way

February Lunchtime 2014

Sereja and Two Arrays, Sereja and ASum, Sereja and D, Sereja and Arrays

August Long 2022 Division 2 (Unrated)

Angled Flip, XOR with smallest element, Hello Equation, Two Trains

Total Problems Solved: 51