Umang Kumar
- 5★hidemysecrets
- India
- Student
- National Institute of Technology, Delhi India
- List of teams by Umang Kumar
- https://discuss.codechef.com/u/hidemysecrets
- No Active Plan. View Details
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Ratings System Update
(2023-07-19 22:15:00)Ratings System Update
(2022-12-20 00:00:00)CodeChef Rating Distribution
Submissions
Practice Problems (132):
Practice:
Marbles, New Restaurant, The Gray-Similar Code, Witua and Math, Galactik Football, Pairwise AND sum, Sereja and Arrays, Divisible Subset, Chef and cakes, Forest Gathering, Max Mex, Modular GCD, Beautiful Array, Buddy NIM, Matrix Decomposition, Binary String MEX, Watching CPL, Cheating Time, Consecutive Deletions, Odd Array, Yet Another Expression, The Last Problem, Bench Press, HUNGRY CHEF, An Interesting Sequence, Array Equal, Chef and Subarrays, Largest Square in the garden, The One On The Last Night, Different String, Chef and Closure, Equal Difference, Mod Equality, Xor Separation, Positive Spewing, Clear the Array, Crossing Blocks, Minimize Digit Sum, Chef and Deque, Maximum Points, Alice vs Bob Faceoff, Sardar and GCD, Division , Minimise the Size, Can You Reach The End, The One with All the Candy, String Game, Partition It, Sum this up, Kingdom Attack, Again XOR problem, Maximum Factors Problem, P Equal To NP, Marbles, Ddakji, Tug of War, Hopscotch, Dalgona Treat, Sleep Technique , Count Number of Peaks, ChefWM, Retrieve back the Array, Harshikaa and the Rain, Sarthak and his Set of Primes, Subsegment Divisibility , Merged LIS, Even Subset Xor, Merging Binary Strings, Prime Graph, Non Zero Subarray Xor, K Distinct Array, String Reverse, PerMEXuation , Non Coprime Neighbours, Increase 2 consecutive characters, Magical Modulo, Dragonado And XOR, Mexy Array, Stable Mex, Missing Numbers, Maximize the Minimum, Training Plans, Chef Goes Shopping, Broken Life, Jump to Sibling, Dark Light, Chef Find XOR Beautiful, Min Max Equality, Concurrent Lines, Admins and Shopping, Too Mean, Yet Another Palindromic Problem, A Bit Easy, Anti-knapsack, Subsequence-Numbers Divisible by 7, Sort the Array, Construct An Array , Sorting Array, Maximise Set Bits , Maximize Difference, XOR Times 2 Is Sum, XOR, The Detective, Gcd and Lcm , Subsequence LCM, Fixed Sum, Strict Permutation, The XOR-OR Dilemma, Concat Sort, Positive array, Accurate XOR, Sum of Product 2, Split The String, High Frequency, Monks, Air Blimp, Sum Product Segments, Average Permutation, Tree Coloring, Minimum Sum, K-Flip, Nil Xor, Subtract 12 Operation, Black&White Ring Game, Make A and B equal, Queen Blocks, Palindrome Partition, Red Blue Flowers, Joint XOR, Sorted Substrings, Make Multiple, Pythagorean Pair, One-XOR Deletions
Contests (227):
April Challenge 2021 Division 3:
Worthy Matrix, Chef and Dice, Valid Pair, World Record, Strong Language
May Challenge 2021 Division 2 (Rated):
Xor Equality, Tic Tac Toe, Modular Equation, Golf, Solubility
August Challenge 2021 Division 3 (Rated):
Special Triplets, Array Filling, Geometry 1, Chef and Bulb Invention, Charge Scheduling, Problem Difficulties, Olympics Ranking
September Challenge 2021 Division 2 (Unrated):
XOR Equal, Shuffling Parities, Airline Restrictions, Travel Pass
CodeChef Starters 13 Division 2 (Rated):
Add and Divide, Chef in Vaccination Queue, Maximum Light Up, Magical Doors
November Challenge 2021 Division 2 (Unrated):
Wildcard Replacement, Xor Equation, Weird Palindrome Making, Hill Sequence, Equal Coins, Maximise the bridges
FizzBuzz Division 2 (Rated):
Magical Planks, Clean The Sequence, Substring Minimum Function, Can_Reach
December Lunchtime 2021 Division 2:
Chef and Vacation Transportation , Chef Loves 1010, Maximum Trio, Optimal Sorting, Romantic Reversals
Exun 2021-22 Division 2 (Rated):
Sarthak and his Magic Grid, Vedant and his Hidden Array, Aujasvit and the Circle Game
January Lunchtime 2022 Division 2:
Subarray permutations, Prefix Zeros, Chef and Lockout Draws, Permutation XOR Sum
CodeChef Starters 24 Division 2 (Rated):
Anti Palindrome, Avoid Contact, Divisors and Reciprocals, Yet Another Constructive Problem
CodeChef Starters 26 Division 2 (Unrated):
Stone Game, Careless Chef, Car or Bike, Valentine is Coming, Count the Notebooks, Control the Pollution
February Lunchtime 2022 Division 2:
Four Equidistant Points on a Grid, Parallel Processing, Magnet Sort
March Long One 2022, Division 2 (Unrated):
Akash and Function, Subarray XOR, Substring of a Substring, Exact Marks
CodeChef Starters 29 Division 2 (Rated):
String protocol, Plusle and Minun on Array, Decomposition Reaction
March Cook-Off 2022 Division 2:
Fixed Weight, Janmansh at Fruit Market, Equal Mex Splitting, Alternating Divisibility
CodeChef Starters 31 Division 2 (Rated):
XOR and AND, Alternating String, Sign Moves, The Unchanging OR
April Long One 2022, Division 2 (Unrated):
Dazzling GCD Pair, Prime Sum, Dazzling AXNODR Challenge , Pairwise Xors
Starters 39 Division 2 (Rated):
Compress the Video, Crazy Substrings, Minimize Blocked Roads, Closest Vowels, Even Subarray XOR
Starters 43 Division 2 (Rated):
Array Sorting, Make them Equal, The Optimal Pairs, Permutation AND, Distinct Palindrome
June Lunchtime 2022 Division 2 (Rated):
Zero Ones Equal One Zeros, The Lost Array, Max Shift After XOR, XOR Times 2 Is Sum, Equal by XORing
Starters 84 Division 2 (Rated):
SUM OR, Max count of 1, Digit Operation, Max Binary, Chef And Adjacent Sums
Learning Paths (0):
None
Practice Paths (4):
Contributions
Problems Authored (0)
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Problems Tested (0)
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