GUO,Shuai

• Username: 4★guoshuai1017
• Country:  China
• Student/Professional:Other
• 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: 27

Current Ratings Graph Old Ratings Graph

1884 (-22)RatingProvisional
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Starters 87 Division 2 (Rated)(2023-04-26 22:00:02)

Global Rank:   634

Cheated in:   

Ratings System Update

(2023-04-26 22:00:02)

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1832 (-102)RatingProvisional
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CodeChef Starters 32 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   561

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?

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Contests (27)

May Challenge 2020 Division 2

Isolation Centers, Coronavirus Spread

April Cook-Off 2020 Division 2

Lift Requests

April Lunchtime 2020 Division 2

Another Birthday Present!, Chef in Fantasy League

July Challenge 2020 Division 1

Missing a Point

August Challenge 2020 Division 2

Chef Wars - Return of the Jedi, Another Card Game Problem, Chef and Linear Chess, Smallest KMP

July Cook-Off 2020 Division 2

Even-tual Reduction

July Lunchtime 2020 Division 2

Chef and Steps, Maximum Candies

August Cook-Off 2020 Division 2

Polygon Relationship, Chef and Work, K-Foldable String

August Lunchtime 2020 Division 2

Ratings and Rankings, Game on a Strip, Mode of Frequencies

June Cook-Off 2020 Division 2

Cache Hits, Max Mex

June Lunchtime 2020 Division 2

Maximum AND, Chef and Demonetisation, Increasing Decreasing, Gold Mining

RECode 12.0 (Rated for all)

Chef and Numbers, Chef and String

January Cook-Off 2021 Division 2

Prime Tuples, Maximise Islands

Coders' Legacy (Rated for all)

Chef vs Doof, Doof on Cartesian

Code Ensemble (Rated for Division 2)

Priya and AND, Help Martha

CodeChef Starters 30 Division 2 (Rated)

Balanced Reversals, Gift Shop and Coupon, Minimum Coloring

CodeChef Starters 31 Division 2 (Rated)

XOR and AND, The Unchanging OR, Sign Moves, Alternating String

March Lunchtime 2022 Division 2

Sad Splits, Winter, Adjacency Love

CodeChef Starters 32 Division 2 (Rated)

Maximize the Minimum, Finding Shoes, Flip Sorting

Starters 70 Division 2 (Rated)

Minimum distance between 1s, Prime Reversal, Frequency Array Retrieval

Starters 71 Division 2 (Rated)

Pet Store, Flip the Prefix, Maximizing LCS

Starters 72 Division 2 (Rated)

N Triplets, No sequence

Starters 75 Division 2 (Rated)

Chefs Favourite Function, Equal Hamming Distance, Prefix Ones, Three Powers of Two

January Long 2023 Division 2 (Unrated)

Asymmetric Swaps

February Cook-Off 2023 Division 2 (Rated)

Take Not Less, Permutation and Modulus

Starters 77 Division 2 (Rated)

Concat Palindrome, K Increment Palindrome, Three Numbers

Starters 85 Division 2 (Rated)

Crazy Bishops on Chessboard, Efficient PAN Linking, Inside The Stadium

Starters 87 Division 2 (Rated)

Existence, AB plus C

Total Problems Solved: 115