Zahid Khan
- 3★zahid_khan_123
- Let's Just Code until we become one of the best.
- India
- KNOWLEDGE IS NOT JUST LEARNING OF FACTS , IT IS THE TRAINING OF MIND TO THINK.
- Student
- Mugneeram Bangur Memorial Engineering College, Jodhpur
- List of teams by Zahid Khan
- https://discuss.codechef.com/u/zahid_khan_123
- No Active Plan. View Details
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Ratings System Update
(2023-04-12 22:15:04)Ratings System Update
(2022-12-20 00:00:00)CodeChef Rating Distribution
Submissions
Practice Problems (219):
Practice:
Factorial, Small factorials, Enormous Input Test, Simple Sorting, ATM, Life, the Universe, and Everything, The Lead Game, Little Elephant and Candies, Racing Horses, Ciel and Receipt, The Minimum Number Of Moves, Packaging Cupcakes, Lapindromes, Chopsticks, Number Mirror, Chef and Remissness, Dividing Stamps, Divide the Cake, The Smallest Pair, Tanu and Head-bob, Fit Squares in Triangle, Lucky Four, Add Two Numbers, Find Remainder, First and Last Digit, Smallest Numbers of Notes, Sum of Digits, Reverse The Number, Helping Chef, Total Expenses, Id and Ship, Gross Salary, Valid Triangles, Grade The Steel, GCD and LCM, Second Largest, Small Factorial, Primality Test, Finding Square Roots, The Block Game, Chef and Dolls, Cooking Machine, Chef and Two Strings, Greedy puppy, Chef And Operators, Stacks, Mahasena, Mutated Minions, Chef and Subarrays, Chef and Fruits, Puppy and Sum, Coins And Triangle, Akhil And Colored Balls, Sticks, The Largest Bouquet, Download file, Bear and Candies 123, Temple Land, Two Numbers, Uniform Strings, Rectangle, Chef and Friends, Cut the Board, Two vs Ten, Sum OR Difference, Decrement OR Increment, Is it a VOWEL or CONSONANT, Chef and Bored Games, Balsa For The Three, Chef and SnackDown, Lucky Number Game, Chef and Magical Jars, Buying New Tablet, Chef and Party, FlatLand, Football, Plus Multiply, Playing with Matches, How much Scholarship, Chef Diet, That Is My Score!, Change It, Exam Cheating, Box of Chocolates, Sell All the Cars, Chef and Price Control, Even-tual Reduction, AND Plus OR, Hidden Numbers, Sed Sequences, Chef and Division 3, Daanish and Problems, Pair Me, Dreams of Divisibility, Even Differences, Even Sum, Highest Divisor, Body Mass Index, Motivation, Lucky Four, Possible Victory, Valid Pair, Chef On Island, A - Save Water Save Life, Coldplay, Hoop Jump, Solubility, Lazy Chef, Summer Heat, Chefland Visa, Richie Rich, Chess Match, Cyclic Quadrilateral, Maximum Production, Relativity, Equal Difference, XOR-ORED, Shoe Fit, Chess Format, Food Chain, Olympics Ranking, Penalty Shots, Black cells in a chessboard, Which Division, Programming Languages, Hardest Problem Bet, Odd Repeat, Maximise the Subsequence Sum, Remove One Element, Travel Pass, Find the Direction, Cars and Bikes, Good Weather, Fake GCD, Adjacency Hatred, Chef in Vaccination Queue, The Preparations, Diagonal movement, RCB and Playoffs, Alternating Work Days, Average Flex, Chef on Vacation, Can You Eat It, Make it Divisible, Make them equal, Maximum Factors Problem, Marbles, Dalgona Treat, Subarray permutations, Optimal Sorting, ChefWM, Retrieve back the Array, Subsegment Divisibility , Crying Colours, Even Subset Xor, Subarray Mex, Non Zero Subarray Xor, Anti Palindrome, Building Towers, Divisors and Reciprocals, Yet Another Constructive Problem, Perfect Permutation, K Distinct Array, Fit in Data Type, Chef and His Fruit Stand, String Reverse, Janmansh and Games, Flip Sorting, Distinct Dilemma, Chef Find XOR Beautiful, Binary Mismatch, Binary String Xor, Palindrome Pain, Admins and Shopping, Buying Sweets, Average Gift, Circular Track, Maximum Pairwise Modular Sum, Even Subarray XOR, Playlist, Divisible by 3, How Many Maximums, Minimum number of Flips, Sale Season, Two Trains, Make A and B equal, Minimum Sum, WA Test Cases, Air Conditioner Temperature, Car Trip, Greater Average, Odd Pairs, Make A and B equal, Weights, Equal Distinct, Number of Credits, Ticket Fine, Team of Two, Minimise LCS, Different Consecutive Characters , Odd Sum Pair, Tasty Decisions, Candies, Counting Problem, Pet Store, Instagram, Snapchat, Perfect Trio, Lcm hates Gcd, One Stone or Two Stones, Distinct Opposite Sums, Better Deal, Permutation Subsequence, Prefix Permutation, Single-use Attack, Running Comparison, Equal Elements, Distinct Matrix, Divide Pages
Contests (330):
CodeChef Starters 19 Division 2 (Rated):
Chef and Contest, Sleepy Chef, Indivisible Permutation, Distinct Elements
C.O.D.E.R.S Division 3 (Rated):
The One On The Last Night, The One with Russ, The One Where It All Began
December Challenge 2021 Division 2 (Unrated):
Check Mate, Valleys and Hills, List of Lists, Utkarsh and Placement tests
SnackDown 2021 - Elimination Parallel (Rated for Div 2):
Yet another subarray problem, Remove Element, Balance Zeroes and Ones, Car Range
December Lunchtime 2021 Division 3:
Chef and Vacation Transportation , Chef Loves 1010, Maximum Trio, Romantic Reversals
CodeChef Starters 21 Division 2 (Rated):
Devendra and Water Sports, Akash and Grid, And Or Union, Covid and Theatre Tickets
CodeChef Starters 22 Division 2 (Rated):
An Interesting Sequence, Even Subset Xor, Equal Card Game, Elections in Chefland, Equal LIS
Code Drive Division 2 (Rated):
Game between friends, Count Number of Peaks, Favourite String of Chef
January Long 2022 - II, Division 2 (Unrated):
Power Sum, Crying Colours, TCS Examination, Chef and Fixed Deposits
Exun 2021-22 Division 2 (Rated):
Vishesh and his Popcorn Combo, Sarthak and his Magic Grid, Vedant and his Hidden Array
January Cook-Off 2022 Division 2:
Palindromes Not Allowed, Mean Maximization, Subsegment Divisibility , Mask Policy, Hungry Ashish
January Lunchtime 2022 Division 2:
Subarray permutations, Chef and Subset Additions, Chef and Lockout Draws
CodeChef Starters 24 Division 2 (Rated):
Avoid Contact, Badminton Serves, Yet Another Constructive Problem, EVM Hacking
February Long 2022 - I, Division 3 (Rated):
Binary Base Basics, N Queens Puzzle Solved !, Chef and the Hair Salon
CodeChef Starters 25 Division 3 (Rated):
Equal MEX, Points and Lines, Fit in Data Type, Chef and His Fruit Stand
February Cook-Off 2022 Division 2:
Perfect Permutation, Complete the credits, Guess the bottom face, Lazy Salesman, Peaceful Party, Prefix Permutation
February Long 2022 - II, Division 2 (Unrated):
Avoid Fixed Points, World Chess Championship, Chef and NextGen, Xor Palindrome
CodeChef Starters 26 Division 2 (Unrated):
Careless Chef, Car or Bike, Valentine is Coming, Count the Notebooks, Hostel Room, Control the Pollution
CodeChef Starters 27 Division 2 (Rated):
Distinct Binary Strings, Get Lowest Free, Too many items, Shopping Change, Blackjack, The product mystery
February Lunchtime 2022 Division 2:
Four Equidistant Points on a Grid, Good Program, Parallel Processing, Battery Low, Watching Movies at 2x, Chessboard Distance
CodeChef Starters 28 Division 2 (Rated):
Chef and Instant Noodles, Permutation Xority, Self Defence Training, Car Choice, Qualify the round, Count the Holidays
March Long One 2022, Division 3 (Rated):
Akash and Function, Substring of a Substring, Akash and Missing Class, Exact Marks, Discus Throw, Bath in Winters, Wordle
CodeChef Starters 29 Division 2 (Rated):
String protocol, Plusle and Minun on Array, Fill the Bucket, Tyre problem, Bomb the base
March Long Two 2022, Division 3 (Rated):
Chef and Races, Increase IQ, The Three Topics, The Rating Dilemma
CodeChef Starters 30 Division 3 (Rated):
Gift Shop and Coupon, Chef and Water Bottles, Swapping Chefs Way, Chef and Chocolates, Balanced Reversals
March Cook-Off 2022 Division 2:
Janmansh and Games, Janmansh and Coins, Janmansh and Assignments, Janmansh at Fruit Market, Equal Mex Splitting, Alternating Divisibility
CodeChef Starters 31 Division 3 (Rated):
Alternating String, Sign Moves, Cup Finals, The Unchanging OR, Group Assignment, Economics Class
March Lunchtime 2022 Division 2:
Credit score, Sad Splits, Minimum number of coins, Buy 2 Get 1 Free, CRED Coins
CodeChef Starters 32 Division 3 (Rated):
Maximize the Minimum, Binary String Cost, Volume Control, Finding Shoes, Course Registration
CodeChef Starters 33 Division 3 (Rated):
Distinct Dilemma, The Cheaper Cab, Monthly Budget, Minimum Cars required, Non Adjacent Flips, Make Them Equal
April Long One 2022, Division 3 (Rated):
Dazzling GCD Pair, Prime Sum, Dazzling AXNODR Challenge , Ezio and Guards, The Cooler Dilemma 1, The Cooler Dilemma 2
CodeChef Starters 34 Division 3 (Rated):
Average Array, Is the Score Consistent, Good Quality Bulbs, Positive Products, Expiring Bread
April Lunchtime 2022 Division 3(Rated):
Lunchtime, Mario and Transformation, Mario and Bullet, Pair Pain
Starters 36 Division 3 (Rated):
Who is taller!, Presents for Cheffina, Chef and Chapters, Chef and Bird farm
April Long Two 2022 Division 3 (Rated):
Geometric Mean Inequality, Sasta Shark Tank, Six Friends, Best Coupon, Pseudo Sorted Array
May Cook-Off 2022 Division 3 (Rated):
Chef and Gym, Chef and Masks, Farmers League, Game of Pooks, Doubled Distances
Starters 37 Division 3 (Rated):
The Mango Truck, Roller Coaster, Beat the Average, Laptop Recommendation , Infernos
May Long One 2022 Division 3 (Rated):
Pushpa , Sugarcane Juice Business, The Attack of Queen, Football Cup, Miami GP
Starters 38 Division 3 (Rated):
Chef gives Party, Get Subscription, Good Pairs, Dominant Army, Circular Track
May Lunchtime 2022 Division 3 (Rated):
Bucket and Water Flow , Apples and Oranges, How many unattempted problems, Problems in your to-do list
Starters 39 Division 3 (Rated):
Compress the Video, Closest Vowels, Recent contest problems, My very 1st contest!, A or B, Chess Ratings
May Long Two 2022 Division 3 (Rated):
Practice makes us perfect, Xor Palindrome, Score High, Total Prize Money, Make them Zero, Degree of Polynomial
Starters 40 Division 3 (Unrated):
Difficulty Rating Order, Doubt Support Availability, Whatsapp Messages, Take discount or Not
Starters 41 Division 3 (Rated):
Equal Integers, Chef and Brain Speed, Chef and Chocolates, Is this priority or parity!, Path Parity, Determine the Winner
June Cook-Off 2022 Division 3 (Rated):
Simple XOR, Rating Improvement, Playlist, Break the Stick, First and Last
Starters 42 Division 3 (Rated):
Divisible by 3, How Many Maximums, Age Limit, Minimum number of Flips
June Long One 2022 Division 3 (Rated):
Reduce to zero, Chairs Requirement, Subscriptions, Divisible by i , Possible GCD, Alternate Additions, Equal Strings
Starters 43 Division 3 (Rated):
The Optimal Pairs, Burgers, DNA Storage, Distinct Palindrome, Joining Date, Waiting Time
June Long Two 2022 Division 3 (Rated):
Count the ACs, Make all equal using Pairs, Complementary Strand in a DNA, Reversal Sorting, Fitness
July Long One 2022 Division 3 (Rated):
Bidding, Journey of the Knight, Game of Piles Version 1, Slow Solution, Pass the Exam, Chef and Candies
July Long Two 2022 Division 3 (Rated):
Maximize Difference, Concat Sort, Chef in his Office, To Divide or Not To Divide, Sum of Product 1, Hungry Chef
September Long 2022 Division 3 (Rated):
Speed Limit Test, Bob at the Bank, Chef and Wire Frames, Interesting Subarray, Good Pairs
Starters 59 Division 3 (Rated):
Chef and Happy String , Maximum Subarray , Suspense String, Confusing Concatenations, Audible Range, Speciality
Starters 82 Division 2 (Rated):
Find eX, Make A-B Same, Reach Home, Difference Matrix, MIN To MAX, Candy Division
Starters 84 Division 2 (Rated):
Max count of 1, Chef and Donation, Elections in Chefland, Max Binary, Chef And Adjacent Sums
Starters 85 Division 3 (Rated):
Crazy Bishops on Chessboard, Efficient PAN Linking, Inside The Stadium, IPL Ticket Rush, Can Chef
Learning Paths (0):
None
Practice Paths (33):
Jump from 2* to 3*:
Make it Divisible, Indivisible Permutation, Minimum Number of Pizzas, Distinct Pair Sums, Turn It, Alternating Work Days
Strings:
DNA Storage, Wordle, Different Consecutive Characters , World Chess Championship, Chef and Happy String , Efficient PAN Linking, Lapindromes
Contributions
Problems Authored (0)
No Contribution
Problems Tested (0)
No Contribution
Editorials Contributed (0)
No Contribution