Yewen Xu

• Username: 7★fullpower
• Country:  China
• Student/Professional:Student
• Institution:Hangzhou Xuejun High School Hangzhou, Zhejiang, China
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

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

Rating Graph

No. of Contests Participated: 12

Current Ratings Graph Old Ratings Graph

2548 (+30)RatingProvisional
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March Lunchtime 2015(2015-03-29 14:00:00)

Global Rank:   6

Cheated in:   

Ratings System Update

(2015-03-29 14:00:00)

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2548 (+92)RatingProvisional
Rating i Provisional Rating, click to know more

March Lunchtime 2015(2022-12-20 00:00:00)

Global Rank:   6

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 (12)

May Challenge 2014

Sereja and Game, Compilers and Parsers, Chef-jumping, Chef and Strange Matrix, Stone, Little Elephant and Balloons

September Challenge 2014

Chef and Left-Right, Flooring, Fun with Rotation, Rectangle Query, Fibonacci Numbers on Tree, Chef and sequence, Chef and Swaps, Chef and Rainbow Array - 2, Sereja and Bubble Sort, Factorisation

October Challenge 2014

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

November Challenge 2014

Chef and Segment Game, Distinct Characters Subsequence, Let us construct palindrome

December Challenge 2014

Divide or die, Good galaxy, Sereja and GCD, Chef and Apple Trees, Course Selection, XOR with Subset, Kali and Devtas, Chef and Bracket-Pairs, Alok-nath and His Sanskars, Chef Under Pressure

October Lunchtime 2014

Cascading Style Sheets, Physics Class, Tanu and Head-bob, And Tuples

December Lunchtime 2014

Sum Of Binomial Coefficent , Queries On Tree, String Matching, Delivery Man

January Challenge 2015

Sereja and Votes, Gcd Queries, Ranka, Xor Queries, One Dimensional Kingdoms, Chef and Stones, Sereja and LCM, Chef and A Large Permutation, Sereja and Number Division 2, Queries on the String

February Challenge 2015

Devu and Locks, Chef and Equality, Jigsaw Puzzle Solving, Xor Matrix, Let us play with rank list, Chef and Strange Formula, Time to Study Graphs with Chef, Chef and Chain, Chef and Strings

March Challenge 2015

Devu and his Class, Matrix, Sign Wave, Random Number Generator, Sereja and Random Array, Chef and Problems, Chef and Notebooks, Count Substrings

February Lunchtime 2015

Lucky Four, The Warehouse, The First Cube

March Lunchtime 2015

Saving a gift of love, Painting the Boxes, Chef Anup, No Unpaired Chefs

Total Problems Solved: 81