Hu Jun

• Username: 4★hujun
• Student/Professional:Student
• Institution:Dalian University of Technology
• CodeChef Pro Plan: No Active Plan. View Details

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

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No. of Contests Participated: 23

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1942 (-62)RatingProvisional
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February Challenge 2019 Division 1(2019-02-13 15:00:00)

Global Rank:   833

Cheated in:   

Ratings System Update

(2019-02-13 15:00:00)

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1942 (+154)RatingProvisional
Rating i Provisional Rating, click to know more

February Challenge 2019 Division 1(2022-12-20 00:00:00)

Global Rank:   833

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 (23)

November Challenge 2013

Chef Game, Superpowers of 2, Gangsters of Treeland, Yet Another Cute Girl, Sereja and Vectors, Uncle Johny, Square Digit Squares, Missing some chairs, Black and White Tree

December Challenge 2013

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

January Challenge 2014

Magic Trick, Sereja and Graph, Meteor, Bon Appetit, Please like me, Chef and Feedback

February Challenge 2014

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

April Challenge 2014

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

May Challenge 2014

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

June Challenge 2014

Little Elephant and Blocks, Maxim and Progressions, Chef and Digit Jumps, Chef and Subarray, Two Companies, Guessing Game, Forgot Password

July Challenge 2014

Little Elephant and Painting, Garden Game, Chef and Frogs, Count Substrings, Reach The Point, Dish Owner

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, Chef and Ground, Chef and Square, Magical Girl and Colored Liquid Potions, DevuLand, Dinosaurs and Laddus

November Challenge 2014

Chef and Segment Game, Chef and Words, 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, Chef and Apple Trees

January Challenge 2015

Queries on the String, Chef and A Large Permutation, Chef and Stones, Sereja and Votes, One Dimensional Kingdoms, Xor Queries, Gcd Queries

March Challenge 2015

Chef and Notebooks

April Challenge 2015

Chef and Interview, Broken Telephone

September Challenge 2017

Sereja and Commands, Chef and Pick Digit, Minimum Good Permutation, Weasel does Xor on Tree, Fill The Matrix, Little Chef and Sums

October Challenge 2017

Chef and Magic Arrays, Chef and a great voluntary Program, Chef and Cycled Cycles, Max Mex, Counter Test For CHEFSUM, A Balanced Contest

April Challenge 2018 Division 1

Count Good Prefixes

July Challenge 2018 Division 2

Reach Equilibrium, No Minimum No Maximum, Gears, Magic Set, Strike or Spare, No Strings Attached

August Challenge 2018 Division 1

Coordinate Compression , Modular GCD

February Challenge 2019 Division 1

Guess It Right, Chef and Secret Ingredients, Art of Balance

Total Problems Solved: 104