Chunyang Wang

• Username: 7★wcysai
• Country:  China
• Student/Professional:Student
• Institution:Nanjing University
• CodeChef Pro Plan: No Active Plan. View Details

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Last 6 Months 2025 (Jul-Dec)2025 (Jan-Jun)2024 (Jul-Dec)2024 (Jan-Jun)

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No. of Contests Participated: 27

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Starters 95 Division 1 (Rated till 6 Stars)(2023-06-21 22:00:00)

Global Rank:   3

Cheated in:   

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(2023-06-21 22:00:00)

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July Cook-Off 2022 Division 1 (Rated)(2022-12-20 00:00:00)

Global Rank:   28

Cheated in:   

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(2022-12-20 00:00:00)

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Contests (27)

November Challenge 2017

Chef Hates Palindromes, Chef and Subarray Queries, Chef goes Left Right Left, Periodic Palindrome Construction, Villages and Tribes

December Challenge 2017

Total Diamonds, Chef And his Cake, Penalty Shoot-out, Chef and Hamming Distance of arrays

January Challenge 2018

K-Concatenation, Maximum Score, Rectangle

March Challenge 2018 DIV 2

Pishty and Triangles, Chef and Easy Problem, A Big Sale, Mix the Colors, Chef and Glove, Minions and Voting, Minion Chef and Bananas

April Challenge 2018 Division 1

Cutting Plants, Highway Crossing, Count Good Prefixes

May Challenge 2018 Division 1

S-T Mincut, Change the Signs, Fake Binary Search, Dibs on Fibs

July Challenge 2018 Division 1

Tom and Jerry, Reach Equilibrium, No Minimum No Maximum, Gears

August Challenge 2018 Division 1

Coordinate Compression , Modular GCD

September Challenge 2018 Division 2

Magician versus Chef, War of XORs, Chef and Adventures, Bad Shuffle

December Challenge 2018 Division 1

Max and Electrical Panel, Directing Edges, Chef and Interactive XOR

November Challenge 2018 Division 1

Appy Loves One, Good Median, Chef, Primes and Trees (Challenge), Magician versus Chef 2

October Challenge 2018 Division 2

Appy and Balloons , Beautiful Bricks, Minimize Digitsum, Chef and Surprise Chessboard, Chef and Serves, Byte to Bit, Chef and Circles

January Challenge 2019 Division 1

Yet Another Problem About Sequences, Different Neighbours, Partition the Graph, Distinct Pairs, A Pizza Slice

March Challenge 2019 Division 1

Chef and Soccer, Cheating on Queue, Treasure Hunt, Yet Again a Subarray Problem, Matchable Permutations, (Challenge) Interleaving Strings

June Challenge 2019 Division 1

Lent Money, Chef and Ingredients, Sum and GCD

July Challenge 2019 Division 1

Guess the Prime!, Circular Merging

March Long One 2022, Division 2 (Unrated)

Akash and Function, Subarray XOR, Substring of a Substring, Exact Marks

April Cook-Off 2022 Division 2

Chef Goes Shopping, Sorted Distances, Sticks and Rectangles

CodeChef Starters 33 Division 2 (Rated)

Max BIT Sum, Stable Mex, Array operations, Distinct Dilemma, Broken Life, Non Adjacent Flips, Make Them Equal

May Cook-Off 2022 Division 1 (Rated)

Split Powers Of 2, Different Subarrays Rearrange, Triple Inversions

May Lunchtime 2022 Division 1 (Rated)

Balanced 0-1 Tree, Equal After And, Rearrange Ranges

July Cook-Off 2022 Division 1 (Rated)

Partition Queries, Segmentation Fault, Subsequence LCM

June Cook-Off 2022 Division 1 (Rated)

Throw and Take, Simple XOR, Prefix Suffix Distinct, Split AND Sum

Starters 74 Division 1 (Rated till 6-Stars)

Candies, Maximum Xor Sum, Distinct Values, Power Tree, Lcm hates Gcd, Medicine Strength, Minimal Inversions

Starters 75 Division 1 (Rated till 6-Stars)

Chefs Favourite Function, Minimum Replacement, Equal Hamming Distance, Prefix Ones

Starters 82 Division 1 (Rated till 6 stars)

Mode!, Tree Game, Make Them Alike, Find eX, Good Permutations, Difference Matrix

Starters 92 Division 1 (Rated till 6 Stars)

Rectangular Tiling, Dividing into Groups, A Peculiar Arrangement, Beautification of array, Distance Coloring

Starters 95 Division 1 (Rated till 6 Stars)

Chef and Moves of GCD, Partition and Maximize, Boxes, Transfusion Chain, Break This Array

Total Problems Solved: 129