Umang Kumar
- hidemysecrets
India- Student
- National Institute of Technology, Delhi India
- No Active Plan. View Details
Submissions Heat Map
Learning Paths (0)
Practice Paths (1)
Contests (55)
April Challenge 2021 Division 3
Worthy Matrix, Chef and Dice, Valid Pair, World Record, Strong Language
April Cook-Off 2021 Division 3
Bodybuilder, Passing Marks, OR of ANDs, Chocolate Monger
April Lunchtime 2021 Division 2
Chef in Heaven , Array Rotation
May Lunchtime 2021 Division 2
Tom And Jerry 1, Total Components
May CodeChef Starters 2021 Division 2 (Unrated)
Plagiarism, Lazy Chef, Correct Sentence
May Challenge 2021 Division 2 (Rated)
Xor Equality, Tic Tac Toe, Modular Equation, Golf, Solubility
June Challenge 2021 Division 3 (Rated)
Shortest Route, Bitwise Tuples, Bella ciao, Summer Heat
June Cook-Off 2021 Division 2
The Wave
July Cook-Off 2021 Division 2
XOR-ORED
CodeChef Starters 6 Division 2 (Unrated)
Three Dices, Cricket Ranking
August Challenge 2021 Division 3 (Rated)
Special Triplets, Array Filling, Geometry 1, Chef and Bulb Invention, Charge Scheduling, Problem Difficulties, Olympics Ranking
August Lunchtime 2021 Division 2
K-th Maximum, Just a Graph
September Challenge 2021 Division 2 (Unrated)
XOR Equal, Shuffling Parities, Airline Restrictions, Travel Pass
SnackDown 2021 - Online Qualifiers
Lucky Number, Maximum Number Of Distinct Elements
CodeChef Starters 11 Division 2 (Rated)
The Grid Fill Problem, Obtain the Sum
CodeChef Starters 12 Division 2 (Unrated)
Make it Divisible
CodeChef Starters 13 Division 2 (Rated)
Add and Divide, Chef in Vaccination Queue, Maximum Light Up, Magical Doors
CodeChef Starters 14 Division 2 (Unrated)
Odd GCD, Diagonal movement, FIXFIX
October Challenge 2021 Division 2 (Unrated)
Longest AND Subarray, MEX-OR
October Cook-Off 2021 Division 3
Chef and Pairing Slippers, Odd Sum, Average Flex, 01 Subsequence
October Lunchtime 2021 Division 2
Chef and Water Car, Exactly N plus 1 Values
SnackDown 2021 - Online Round 1A
Round Robin Ranks , Dance Moves, Equal Beauty, Min Max LCM
November Challenge 2021 Division 2 (Unrated)
Wildcard Replacement, Xor Equation, Weird Palindrome Making, Hill Sequence, Equal Coins, Maximise the bridges
November Cook-Off 2021 Division 2
Missing Sums, Make it Divisible
CodeChef Starters 19 Division 2 (Rated)
Indivisible Permutation, Distinct Elements
FizzBuzz Division 2 (Rated)
Magical Planks, Clean The Sequence, Substring Minimum Function, Can_Reach
November Lunchtime 2021 Division 2
Expected Weight, Strange Minimization, Rapid Re-Orderings
December Cook-Off 2021 Division 2
Median Minimization, Musical Chairs
December Lunchtime 2021 Division 2
Chef and Vacation Transportation , Chef Loves 1010, Maximum Trio, Optimal Sorting, Romantic Reversals
CodeChef Starters 21 Division 2 (Rated)
Akash and Grid, ChefWM, And Or Union
CodeChef Starters 22 Division 2 (Rated)
An Interesting Sequence, Even Subset Xor, Equal LIS
January Long 2022 - I, Division 2 (Unrated)
Prime in a binary string, Chef and Riffles
January Long 2022 - II, Division 2 (Unrated)
Crying Colours
Exun 2021-22 Division 2 (Rated)
Sarthak and his Magic Grid, Vedant and his Hidden Array, Aujasvit and the Circle Game
January Cook-Off 2022 Division 2
Palindromes Not Allowed, Mean Maximization
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 25 Division 2 (Rated)
Building Towers, Equal MEX, Points and Lines
CodeChef Starters 26 Division 2 (Unrated)
Stone Game, Careless Chef, Car or Bike, Valentine is Coming, Count the Notebooks, Control the Pollution
CodeChef Starters 27 Division 2 (Rated)
Distinct Binary Strings, The product mystery
February Lunchtime 2022 Division 2
Four Equidistant Points on a Grid, Parallel Processing, Magnet Sort
CodeChef Starters 28 Division 2 (Rated)
Permutation Xority, Count the Holidays
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
March Lunchtime 2022 Division 2
Sad Splits, Adjacency Love
CodeChef Starters 32 Division 2 (Rated)
Finding Shoes, Flip Sorting
CodeChef Starters 33 Division 2 (Rated)
Distinct Dilemma, Non Adjacent Flips, Make Them Equal
CodeChef Starters 34 Division 2 (Rated)
Binary Mismatch, Average Array, Good Permutation
April Lunchtime 2022 Division 2(Rated)
Buckets Full of Candies, Pair Pain, Secret Machine Mania
Starters 39 Division 2 (Rated)
Compress the Video, Crazy Substrings, Minimize Blocked Roads, Closest Vowels, Even Subarray XOR
May Long Two 2022 Division 2 (Unrated)
Xor Palindrome, Subarrays with length, Make them Zero
Starters 40 Division 2 (Unrated)
Max Value of MST, Infinity Staircase, Or Permutation, Good Pairs
Starters 42 Division 2 (Rated)
Minimum or Maximum, Divisible by 3
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
June Long Two 2022 Division 1 (Unrated)
AP Grid, Reversal Sorting
Starters 60 Division 1 (Unrated)
Distinct Numbers, Red Green Grids, Yet Another Palindrome Problem
Starters 71 Division 2 (Rated)
Pet Store, Flip the Prefix, Expected Sum, Maximizing LCS
Starters 72 Division 2 (Rated)
N Triplets
February Cook-Off 2023 Division 2 (Rated)
Take Not Less, Permutation and Modulus, Minimum Beauty
Starters 77 Division 2 (Rated)
Concat Palindrome, K Increment Palindrome, Three Numbers
Starters 80 Division 2 (Rated)
Permutation Subsequence, Prefix Permutation, Equal Elements
Starters 84 Division 2 (Rated)
SUM OR, Max count of 1, Digit Operation, Max Binary, Chef And Adjacent Sums
Starters 87 Division 2 (Rated)
Inversions of subsequences, Existence, AB plus C
Starters 83 Division 2 (Rated)
Construct String, Order by XOR
Starters 97 Division 2 (Rated)
Schrodinger Smiley, No Palindrome, Triplets Min
Starters 98 Division 1 (Rated till 6 Stars)
3-Blast Palindrome, Ball Distribution
Starters 99 Division 1 (Rated till 6 Stars)
Segment Three, Exclusion-Inclusion