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Programming and DSA

Learn to think like a programmer. Develop your problem-solving skills with essential data structures and algorithms.

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From beginner to job-ready. Explore our curated career paths designed to help you succeed in the tech industry.

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Programming and DSA

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Catalogue

Programming and DSA

Learn to think like a programmer. Develop your problem-solving skills with essential data structures and algorithms.

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Practice Compete Compiler
Home » Bao
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Bao

  • 7★cheng2014
  •   China
  • Student
  • Dalian University of Technology
  • No Active Plan. View Details

Submissions Heat Map

Rating Graph

No. of Contests Participated: 49
2679 (-36)RatingProvisional
Rating i Provisional Rating, click to know more
March Challenge 2021 Division 1(2021-03-15 15:00:00)
Global Rank:   24
Cheated in:   

Ratings System Update

(2021-03-15 15:00:00)
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?
2679 (+241)RatingProvisional
Rating i Provisional Rating, click to know more
March Challenge 2021 Division 1(2022-12-20 00:00:00)
Global Rank:   24
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 (1)

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Number theory

56%

Practice Paths (0)

None

Contests (49)

June Challenge 2014

DARTS501

July Challenge 2014

Chef and Rectangle Genome

July Challenge 2015

Addition and Multiplication, Maximum Difference Walk, Bread, MasterChef, Na2a and lucky stone, Chef and Cube

August Challenge 2015

Way Out, Social Cluster, Gravity Guy, Devu And Churu , Cooking Machine, Aditi and Magic Trick, Chef and insomnia, Simple Queries, Chef and Path

September Challenge 2015

Chain of Doughnuts, Nikitosh and xor, Count Steps in Matrix, Bank robbery, Lighthouses, Cracking the Code

October Challenge 2015

Count Subarrays, Who dares to be a millionaire

January Long Challenge 2016

Sereja and Salesman, Chef and Inflation, Rupsa and the Game, Churu and Balls, Chef and Making Triples, Asteroids, Cyclist Race, Chef and Time Machine, Devu and Perfume

February Challenge 2016

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

March Challenge 2016

Sereja and Two Strings 2, Polygon & Circles, Chef And Hungry Birds, Palindromic substrings, Floor Distribution, maximize the sum, Parity tree, Chef And Special Dishes, Tiptoe through the tulips

April Challenge 2016

Amazing Experiment, Help Watson Escape, Fibonacci Queries, Chef and Ballons, Chef And Magical Path, Chef And Coloring

May Challenge 2016

Sereja and GCD 2, Chef and math, Chef and Balls, Forest Gathering, Chef and Amazingness of Numbers, Chef and Big Soccer, Laddu, Roads in Stars

June Challenge 2016

Chef And The Hiring Event, Chef and Rectangle Array, Chef and New Game, Chef and Array and K, Chef And Binary Operation, Chef and Coins Game, Chef and cities, Devu and an Array

July Challenge 2016

Andrash and Stipendium, Chef and Segments, Chef and Tetris, Chef and special numbers, Evaluate the polynomial, Chef and Robots Competition, Chefland and Electricity, Scheduling jobs on a cluster

August Challenge 2016

Chef and Chocolate

September Challenge 2016

Chef and Friends, Dividing Machine, Chef and Matrix Division, Chef and digits of a number, Faded Palindromes, The New Restaurant, JosephLand, Chef and calculation

October Challenge 2016

Sereja and Progressions, Sereja and Stones, Chef and Keyboard, Big Queries, Fenwick Iterations, Chef and Three Dogs, Chef and Two String

December Challenge 2016

Train Partner, Kth Max Subarray, Chef and Finding Direction, Kirito in labyrinth, Our Base is Under Attack, Bear and Three Colours

February Challenge 2017

Chef and Yoda, Eugene and big number, Interval Game, Chef and Triangles, Chef and his Best Friend, Chef and His Apartment Dues, Most Frequent Element, Gerrymander

March Challenge 2017

Cooking Schedule, Completing favorite game, Sum of distances, Xenny and Alternating Tasks, Pishty and birthday, Bear and Extra Number, (CH) Bear and Sorted Rows, Bandwidth of a matrix

April Challenge 2017

Chef and Digits, (CH) Serejs and Billiards, Bear and Random Grid, Chef and Divisor Tree, Stable market, Heavy-Light Decomposition, Dish Of Life, Bear and Row 01, Bear and Clique Distances, Similar Dishes

May Challenge 2017

Chef and Sub Array , Long Sandwich , Gotham PD, Chef and his daily routine, Courses in an university, Blocked websites, Median of adjacent maximum numbers, Chef and Subsequences, Chef and Battleship

June Challenge 2017

Chef and Prime Queries, A Good Set, Chef and the Feast, Xenny and Coin Rankings, Triplets, Pairwise union of sets

July Challenge 2017

Chef and Sign Sequences, Pishty and tree, Whats in the Name, Servers (Challenge), Calculator , IPC Trainers

August Long Challenge 2017

Chef and Rainbow Array, Chef And Fibonacci Array, Chef and Mover, Palindromic Game, Greedy Candidates

IOPC 2017 (Rated)

The Birthday Tears, Game Of Life, Max Out, Christmas Time

February Challenge 2018

Broken Clock, Lucas Theorem, Chef And Land Labeling, Chef And His Characters, Chef And The Patents, Chef and odd queries, Points Inside A Polygon, Car-pal Tunnel, (Challenge) Biased Committee, Permutation and Palindrome

March Challenge 2018 DIV 1

Pishty and Triangles, Chef and Interval Painting, Chef Cuts Tree, Chef and Easy Problem, Chef and Gcd Queries, A Big Sale, Mix the Colors, Chef and Glove, Minions and Voting, Minion Chef and Bananas, Embedding a Tree (Challenge)

April Challenge 2018 Division 1

Chef and Array (Challenge), Vaibhav and Ministers, Chef at the Food Fair, Cutting Plants, S Semi-palindromic, Weight of Numbers, Highway Crossing, Chef and Same Old Recurrence, Count Good Prefixes, Average of Pairs, Workers

May Challenge 2018 Division 1

S-T Mincut, Mighty Friend, Series Sum, Change the Signs, Edges in Spanning Trees, Minimum Deletions, Xor Again, Not a Convex Hull (Challenge), Fake Binary Search, Rubber Band, Dibs on Fibs

June Challenge 2018 Division 1

Two Flowers, Vision, Warehouseman (Challenge), Ways to Work, Expected Buildings, Archi and Tree, Sheokand and String, Binary Board, Binary Shuffle, Naive Chef

July Challenge 2018 Division 1

Pizza Delivery, Picking Fruit for Chefs, Tom and Jerry, Reach Equilibrium, Chef and War with Taran (Challenge), Subway Ride, No Minimum No Maximum, Gears, Magic Set, Strike or Spare, No Strings Attached

December Challenge 2018 Division 1

(Challenge) Delete DAG, Colorblind Feast, Max and Electrical Panel, Directing Edges, Edge Addition, Chef and Interactive XOR

November Challenge 2018 Division 1

Chef and Recipes, Max-digit Tree, Appy Loves One, Good Median, Chef, Primes and Trees (Challenge), Magician versus Chef 2, Binary Strings

February Challenge 2019 Division 1

Manhattan Rectangle, Guess It Right, Chef and Secret Ingredients, Xor Decomposition, Yet Another Tree Problem, (Challenge) Chef with Orchestra in the Kitchen, Art of Balance, Maximize the Tax

March Challenge 2019 Division 1

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

April Challenge 2019 Division 1

Offer for Chef, Kira Loves Palindromes, Mininum XOR over Tree, Playing with Numbers, Subtree Removal, Edgy, Moving Rectangles (Challenge), Sonya and Queries

May Challenge 2019 Division 1

Curing Kingdom, (Challenge) Chef Exchange, Ada Rooks 2, Chef and Elephant Tree, Where to Build the Roads, Ada Pawns

June Challenge 2019 Division 1

Lent Money, Count Arrays, Chef and Ingredients, Chef and His Dish, Intersecting Paths, Sum and GCD, Forgotten Tree 9, (Challenge) SnackDown 99

July Challenge 2019 Division 1

Hit the Coconuts, Guess the Prime!, Parity Again, Circular Merging, Minimum and Maximum, Chef and Mean

December Challenge 2019 Division 1

Chefina and Ranges, Binary XOR, Binomial Fever, Scoring Pairs, Sticky Notes, (Challenge) Cubical Virus, Addition

January Challenge 2020 Division 1

Chef and Dynamo, Doraemon, Doofish Matrix, Chefina and Prefix Suffix Sums, English, Army of Me, Chefland Army, (Challenge) Building Anthills

February Challenge 2020 Division 1

Chef and Railway Stations, Expected Change, No Change Required, Balancing Network Revisited, Chef and Gordon Ramsay 2, (Challenge) Raisins, Long Contest and Cook Off Overlaps

June Challenge 2020 Division 1

The Tom and Jerry Game!, Operations on a Tuple, The Delicious Cake, Convenient Airports, Guessing Game, Perfect Partitions, Covid Sampling (Challenge), Danya and Different Values

July Challenge 2020 Division 1

LCM Constraints, Chefina and Swaps, Easy Geo xD, Chef and Dragon Dens, Missing a Point, Doctor Chef, Weird Product, Expected Repetitions, (Challenge) Dynamic Hull

August Challenge 2020 Division 1

Insanely Hard School Exams, Subsequence Frequency Counting, Precious Stones , Chefina and Strange Tree, Smallest KMP, Ants (Challenge) , Chef Thanos Wants Perfect Balance, Chef and Wedding Arrangements

October Challenge 2020 Division 1

Positive AND, Replace for X

November Challenge 2020 Division 1

Chef and the Combination Lock, Connect on a Grid (Challenge), Restore Sequence, Magical Candy Store, Selecting Edges, Red-Black Boolean Expression, Scalar Product Tree, Unusual Queries

February Challenge 2021 Division 1

Team Name, Multiple Games, XOR Sums

March Challenge 2021 Division 1

Consecutive Adding, Paparazzi Gennady, Substring Probability, Space Arrays, Wireless Electricity (Challenge), Random Walk Queries, Maximum Topological Sort, Clique Boolean Expression

December Challenge 2021 Division 1 (Unrated)

Increasing String , Yet Another Tree Problem, Valleys and Hills, Rock Paper Scissors, Pyramid Traversal, List of Lists, Min Manhattan Distance, Squares Counting

January Long 2022 - I, Division 1 (Unrated)

Keplers Law, Sequence Master, Prime in a binary string, Retrieve back the Array, Covid Spread, Chef and Riffles

January Long 2022 - II, Division 1 (Unrated)

Array Partition, Power Sum, Tree Master, Sum and OR, Crying Colours

February Long 2022 - II, Division 1 (Unrated)

Sequence GCD, Bitwise swaps, Xor Palindrome

March Long One 2022, Division 1 (Unrated)

Subarray XOR, Substring of a Substring, Count the Ones, Exact Marks, MEX on Trees

March Long Two 2022, Division 1 (Unrated)

Minimum Longest Substring, Same Parity Swaps in Binary Strings, Kostomuksha and AESC MSU, Perfect Imperfections 2

April Long One 2022 Division 1 (Unrated)

Yet Another Mex Problem, Dazzling AXNODR Challenge , Bullets and Enemies, Min Max Equality, Pairwise Xors

April Long Two 2022 Division 1 (Unrated)

Geometric Mean Inequality, Antipodal Points, Flip to Invert, Chef And Division

May Long One 2022 Division 1 (Unrated)

The Magical Stone, Alternating Diameter

June Long One 2022 Division 1 (Unrated)

Full Path Eraser, Expected move, Reduce to zero, Add By Permutation, Divisible by i , Possible GCD

June Long Two 2022 Division 1 (Unrated)

Gcd and Lcm , AP Grid, The Subarray XOR, Reversal Sorting

July Long One 2022 Division 1 (Unrated)

Largest Square in the garden, Expected Difference, Game of Piles Version 1, Game of Piles Version 2, Find A, B, C

July Long Two 2022 Division 1 (Unrated)

Maximize Difference, Concat Sort, Sum of Product 2, Similar Subsequence

January Long 2023 Division 1 (Unrated)

Swap Shift

Starters 89 Division 1 (Rated till 5 Stars)

Positive or Negative Subarrays, Subarray Removal, Evil Infection

Starters 90 Division 1 (Rated till 6 Stars)

Crushed Apples and a Balance Scale, Printing Binary Array, Anti Palindrome

Starters 91 Division 1 (Rated till 6 Stars)

Chef Odd

Starters 123 Division 1 (Rated till 6-Stars)

Making Stars

Starters 150 (Rated till 6 stars)

Min Ops (Hard)

Total Problems Solved: 681

2679
(Div 1)
★★★★★★★
CodeChef Rating (Highest Rating 2804)
  • Inactive Global Rank
  • Inactive Country Rank

Skill tests

60%

C++ Online Test and Quiz

Attempted on May 2024
View skill tests

Badges

Contest Contender - Silver Badge

Contest Contender - Silver Badge

Received for participating in 25 Contests

Problem Solver - Gold Badge

Problem Solver - Gold Badge

Received for solving 500 Problems

Daily Streak - Bronze Badge

Daily Streak - Bronze Badge

Received for maintaining a streak of 5 days

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