Prernna Jain
- 1★prernna30
- India
- Other
- No Active Plan. View Details
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Ratings System Update
(2023-02-01 23:00:06)Ratings System Update
(2022-12-20 00:00:00)Learning Paths (0):
Practice Paths (2):
Contests (26):
May Lunchtime 2022 Division 4 (Rated):
Bucket and Water Flow , Apples and Oranges, How many unattempted problems, Problems in your to-do list
May Long Two 2022 Division 4 (Rated):
Practice makes us perfect, Xor Palindrome, Subarrays with length, Score High, Total Prize Money, Make them Zero, Degree of Polynomial
Starters 40 Division 4 (Unrated):
Difficulty Rating Order, Doubt Support Availability, Whatsapp Messages, Take discount or Not
Starters 41 Division 4 (Rated):
Equal Integers, Chef and Brain Speed, Chef and Chocolates, Determine the Winner
July Long Two 2022 Division 4 (Rated):
Chef in his Office, To Divide or Not To Divide, Sum of Product 1, Insurance
August Long 2022 Division 4 (Rated):
Sale Season, XOR with smallest element, Hello Equation, Two Trains, Maximum Submissions, Make A and B equal
August Lunchtime 2022 Division 4 (Rated):
Test Averages, Candy Distribution, Equalizing Numbers, Easy Permutation, Array Equality, Height of Rationals
Starters 55 Division 4 (Rated):
Balls and Boxes, Permutation Clear, Fever, Mean and Median, Broken Phone
September Lunchtime 2022 Division 4 (Rated) (Based on EJOI):
Sleep deprivation, Flip the cards, Equalize AB, Stick Break, Permutation Creation
October Long 2022 Division 4 (Rated):
Podium Finish, Minimum Pizzas, Binary Substituition, Building Race, Single Operation Part 1, Single Operation Part 2
Starters 64 Division 4 (Rated):
Mario and the Broken String, Luigi and Uniformity, Range Assign, Number of Distinct Elements Minimize, Distinct Colors, Water Consumption
November Long 2022 Division 3 (Rated):
MaxEdges, Minimize swaps, Split and Maximize, Spliting Balls, String Game
Starters 66 Division 4 (Rated):
Palindrome by Splitting, Just Like Mob!, Binary Battles, Squats, Monopoly in Chefland
Practice Problems (274):
Practice:
Discrepancies in the Voters List, BIT Magazine, New Restaurant, Hotel Bytelandia, Chef Travel Routes, Lucky Long, Fit to Play, Little Elephant and Strings, Little Elephant and Lemonade, Recipe Reconstruction, Chef of the Year, Hello Hello, Lack of Logic, Row and Column Operations, Name Reduction, Predictopus, Lapindromes, Chef and Walking on the rectangle , Maxim and Dividers, CAO Stage-1, Square Digit Squares, Chef and Feedback, Little Elephant and Subarrays, Little Chef and Numbers, Chef and Rainbow Array, Shortest Path in Binary Trees, Divide the Cake, Stone, Guessing Game, Reach The Point, Approximately II, Sum Queries, Chef and Gift, Harrenhal, Chef and easy problem, Let us play with rank list, Chef and Interview, Na2a and lucky stone, Chef and Dolls, Devu and friendship testing, Chef and Table Tennis, Count Subarrays, Who dares to be a millionaire, Chef and the stones, emitL, Processing a string, Black And White Cells, Chef and Pick Digit, Triangle Classification, Super Hashing, Digital clock, Alternating subarray prefix, maximize the sum, Chef and Coins Game, Chef and Three Dogs, Chef And Magical Path, One more weird game, Tweedle-Dee and Tweedle-Dum , Task for Alexey, The Largest Bouquet, Superheroes and villains, Bear and Candies 123, Courses in an university, Median of adjacent maximum numbers, Snake Procession, Mathison and pangrams, Max Mex, Chef goes Left Right Left, Chef And The Patents, Mighty Friend, Mix the Colors, Chef Goes to the Cinema, Split Sums, Chef and Replication, Counting Pretty Numbers, Magic Set, Encoding Message, Chef and Bored Games, Find the prefix sum, Chef and Adventures, ATM Machine, Lucky Number Game, Chef and Magical Jars, Buying New Tablet, The Tricky Deal, Friend or Girlfriend, Greg and Grid, Testing Robot, Chef Learning Hungarian Algorithm, Guddu on a Date, Fast Food, Dilemma, Magda and Silly Pairs, Playing with Strings, Chef Drinks Coke, Cakewalk, Full Barrier Alchemist, Chef Diet, That Is My Score!, Compress the List, Hashing tech, Mr Pr in a Dilemma , Weird Algorithm, Pattern printing, GCD operations, Repetitions, Restore Sequence, Decreasing Srrnmieeda, Flip the String, Interesting XOR!, Catch the Thief, College Life 2, Distinct Pair Sums, Password, Space Arrays, Total Correct Submissions, Pawri Meme, Chef and Dice, B - Valentine Couples, Plagiarism, Correct Sentence, HTML Tags, Equal Difference, Javelin Qualification, Say No To Drugs, K-th Maximum, Programming Languages, Longest AND Subarray, Adjacency Hatred, Maximum Light Up, Professor And Directions, Yet another SOD problem, Magical Planks, Alternating Work Days, Exactly N plus 1 Values, Average Flex, Weird Palindrome Making, Minimum Number of Pizzas, Yet another subarray problem, Remove Element, Sleepy Chef, Stable Sequence, Red Light, Green Light, Plusle and Minun on Array, Prime in a binary string, Mean Maximization, Crying Colours, Binary Base Basics, Palindromecheck, Control the Pollution, Prefix Permutation, Parallel Processing, Permutation Xority, Equal Mex Splitting, Substring of a Substring, Chef and Races, Group Assignment, The Rating Dilemma, Same Parity Swaps in Binary Strings, Maximize the Minimum, Binary String Cost, Finding Shoes, Flip Sorting, Rearranging digits to get a multiple of 5, Chef Goes Shopping, Sticks and Rectangles, Digit Sum Parities, Funny Hand, Important Pages on CodeChef, Email Reminders, Dazzling GCD Pair, Prime Sum, Distinct Dilemma, The Cheaper Cab, Monthly Budget, Minimum Cars required, Non Adjacent Flips, Make Them Equal, Dazzling AXNODR Challenge , Ezio and Guards, The Cooler Dilemma 1, The Cooler Dilemma 2, Binary Mismatch, Average Array, Is the Score Consistent, Good Quality Bulbs, Positive Products, Expiring Bread, Palindrome Pain, Admins and Shopping, Compress the Video, Who is taller!, Minimize Blocked Roads, Closest Vowels, Average Gift, Circular Track, A or B, Infinity Staircase, Good Pairs, Is this priority or parity!, Path Parity, The two numbers, Equal by XORing, Prime Xor, Strong Elements, Vowel Anxiety, Chef and his Apps, Best of Two, Adjacent Sum Parity, Change Row and Column Both, Bidding, Enough Space, Permutation And Median, K-MEX, Xor Permutation, Chef Drinks Tea, High Accuracy, Array sorting, Journey of the Knight, Sort the String, Counting Words, MATH1 Enrolment, Group Assignment, Army Training, Slow Solution, Pass the Exam, Chef and Candies, Chef On Date, Construct N, End Sorted, Minimum Coins, Chess Time, Buy Lamps, Fill The Grid, Concat Sort, Passes for Fair, Fill Candies, Interior Design, The Last Levels, Yet Another Palindrome Making Problem, Consecutive XOR, Maximum Median Matching, True and False Paper, Largest Family, Positive array, Hungry Chef, Split The String, High Frequency, Valid Minimum, Air Blimp, Split N, Different Medians, Dominant Element, Angled Flip, Two Trains, Minimum Sum, K-Flip, Gritty Grid, Black&White Ring Game, Greater Average, Odd Pairs, Make A and B equal, Weights, Nearest Exit, Maximum Expression, Two Different Palindromes, Maximum Subarray , Paper Cutting, Card Removal, Different Consecutive Characters , Subarray Removal, Odd Sum Pair, Append for OR, Overspeeding Fine