Xuanang Zhao

• Username: 6★sd0061
• Country:  China
• Student/Professional:Student
• Institution:Beihang University Beijing, 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: 22

Current Ratings Graph Old Ratings Graph

2318 (+50)RatingProvisional
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April Challenge 2016(2016-04-11 17:00:00)

Global Rank:   29

Cheated in:   

Ratings System Update

(2016-04-11 17:00:00)

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2318 (-39)RatingProvisional
Rating i Provisional Rating, click to know more

April Challenge 2016(2022-12-20 00:00:00)

Global Rank:   29

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 (22)

March Challenge 2013

Random decreasing function, Tourist Translations, Approximately, Fire Escape Routes

April Challenge 2013

Little Elephant and Music, Barcelona Gameplay Tactics, Kingdom Unity, Maximum Weight Difference, Levy Conjecture

May Challenge 2013

Matchsticks, Witua and Math, Name Reduction, Your Name is Mine

June Challenge 2013

Little Elephant and Mouses, Collecting Magical Berries, Just Some Permutations 3, Dessert Wizard, Predictopus, To challenge or not, W String, Lapindromes

August Challenge 2013

Little Elephant and Lemonade, Hello Hello, Save The Princess, The Number Of Solutions, Chef and Segments, Sereja and Ballons, Deleting numbers, Splitting Candies

September Challenge 2013

Little Elephant and Exams, Cool Guys, Chef and Integers , Project Spoon, CAO Stage-1, CAO Stage-2

October Challenge 2013

Little Elephant and Bamboo, Helping Lira, Maxim and Dividers, Sereja and Transformation, Yet Another Nice Girl, Kamehameha

December Challenge 2013

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

January Challenge 2014

Magic Trick, Counting The Important Pairs, Sereja and Graph, Bon Appetit, Please like me, Chef and Feedback

February Challenge 2014

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

March Challenge 2014

Team Split, Binary Tournament, Walk, Maximum number, GCD condition, Little Chef and Numbers, Mike and Stamps

April Challenge 2014

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

June Challenge 2014

Chef and Functions, Chef and Subarray, Two Companies, Guessing Game

September Challenge 2014

Chef and Rainbow Array - 2, Chef and Swaps, Chef and Left-Right, Chef and sequence, Fun with Rotation, Flooring

October Challenge 2014

Remy paints the fence, Sereja and two strings, Chef and Ground, Chef and Square, DevuLand, Dinosaurs and Laddus

November Challenge 2014

Chef and Segment Game, Chef and Words, Fombinatorial, Distinct Characters Subsequence, Chef and Red Black Tree, Let us construct palindrome

December Challenge 2014

Chef Under Pressure, Alok-nath and His Sanskars, Chef and Bracket-Pairs, XOR with Subset, Chef and Apple Trees

January Challenge 2015

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

January Long Challenge 2016

Sereja and Salesman, Chef and Inflation, Rupsa and the Game, Churu and Balls, Cyclist Race, Dai Ma Chu Shi, Chef and Time Machine, Devu and Perfume

February Challenge 2016

Sereja and Two Lines, Chef and Strange Operations, Devu and a light discussion, Rectangles of Love, Chef-Detective, Matrix Maximum Sum, Call Center Schedule

March Challenge 2016

Sereja and Two Strings 2, Chef And Hungry Birds, Palindromic substrings, Floor Distribution, maximize the sum, Parity tree, Chef And Special Dishes

April Challenge 2016

Amazing Experiment, Mario and Luigi, Help Watson Escape, Fibonacci Queries, Chef and Ballons, Devu and good strings, Chef And Magical Path, Chef And Coloring

Starters 81 Division 1 (Unrated)

Good XOR, Distinct Matrix

Total Problems Solved: 164