Upayan De
- twoplusthree
India- Student
- Jadavpur University Kolkata, West Bengal, India
- No Active Plan. View Details
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Learning Paths (0)
Practice Paths (1)
Contests (46)
SnackDown 2021 - Online Qualifiers
Lucky Number
CodeChef Starters 16 Division 3 (Rated)
Professor And Directions, Chef And Salary Pay, Pass or Fail
October Lunchtime 2021 Division 3
Alternating Work Days, Chef and Water Car, Exactly N plus 1 Values, Fixed Points, Problem Category
SnackDown 2021 - Online Round 1A
Yet Another Flipping Problem, Round Robin Ranks , Dance Moves, Min Max LCM
November Challenge 2021 Division 2 (Unrated)
Xor Equation, Weird Palindrome Making, Hill Sequence, Equal Coins, Maximise the bridges
SnackDown 2021 - Online Pre-Elimination
Product Pain
Code: Nium Challenge
Alphabet Difference, Divide Students Into Classes
CodeChef Starters 17 Division 2 (Rated)
Binary Inversion, GCD of Prefixes, New Piece
C.O.D.E.R.S Division 2 (Rated)
The One On The Last Night, The One with All the Candy, The One with Ross Wedding
FizzBuzz Division 2 (Rated)
Magical Planks, Clean The Sequence, Substring Minimum Function, Can_Reach
November Lunchtime 2021 Division 2
Expected Weight
December Challenge 2021 Division 2 (Unrated)
Valleys and Hills, List of Lists
SnackDown 2021 - Elimination Parallel (Rated for Div 2)
Yet another subarray problem, Remove Element
December Cook-Off 2021 Division 2
Median Minimization, Binary String Game, Musical Chairs
December Lunchtime 2021 Division 2
Maximum Trio, Romantic Reversals
CodeChef Starters 21 Division 2 (Rated)
Akash and Grid, ChefWM, And Or Union, Mean equals Median
CodeChef Starters 22 Division 2 (Rated)
An Interesting Sequence, Even Subset Xor, Equal LIS
Infinity 2k21 Division 2 (Rated)
Marbles, Dalgona Treat
Code Drive Division 2 (Rated)
Again XOR problem, Maximum Factors Problem, Count Number of Peaks
January Long 2022 - I, Division 2 (Unrated)
Prime in a binary string, Retrieve back the Array, Chef and Riffles
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, Subsegment Divisibility , Prime Graph
CodeChef Starters 23 Division 2 (Unrated)
Average of Three, Subarray Mex
January Lunchtime 2022 Division 2
Subarray permutations, Prefix Zeros
February Cook-Off 2022 Division 2
Perfect Permutation, PerMEXuation , Prefix Permutation
CodeChef Starters 27 Division 2 (Rated)
Distinct Binary Strings, Non Coprime Neighbours, The product mystery
CodeChef Starters 32 Division 2 (Rated)
Finding Shoes, Flip Sorting
April Cook-Off 2022 Division 2
Sticks and Rectangles
CodeChef Starters 33 Division 2 (Rated)
Distinct Dilemma, Non Adjacent Flips, Make Them Equal
Starters 39 Division 2 (Rated)
Compress the Video, Crazy Substrings, Closest Vowels, Even Subarray XOR
July Cook-Off 2022 Division 2 (Rated)
Permutation And Median, Xor Permutation, Segmentation Fault
June Cook-Off 2022 Division 2 (Rated)
Simple XOR, Break the Stick, Split AND Sum
Starters 42 Division 2 (Rated)
Minimum or Maximum, Divisible by 3
Starters 61 Division 2 (Rated)
Minimise LCS, Weird Subarrays, Subarray Removal
Starters 70 Division 2 (Rated)
Minimum distance between 1s, Prime Reversal, Frequency Array Retrieval
Starters 72 Division 2 (Rated)
N Triplets, No sequence
Starters 81 Division 2 (Unrated)
Good XOR, Distinct Matrix, Divide Pages
Starters 91 Division 2 (Rated)
Odd GCD Permutation, Chef Odd, Blobby Volley Scores, Maximum Sum Permutation
Starters 96 Division 2 (Rated)
Swap the numbers, Mex Array, Remove Multiples
Starters 105 Division 2 (Rated)
Ghoul-icious Goodies, Take it Easy, Spooky Sequences, Dull Operation, Wishcraft
Starters 106 Division 2 (Rated)
Playing with OR, Save People, Guess the winner!, Count Possibilities, Reach Anywhere
Starters 107 Division 1 (Rated till 6 Stars)
Maximal Expression, OR Permutation
Starters 115 Division 1 (Rated)
Greedy LIS Algorithm, Binary Grid Forces, Make All Zero
Starters 117 Division 1 (Rated till 5-Stars)
Equality Etiquette, Not Prime Permutation
Starters 121 Division 1 (Rated till 6-Stars)
Frequal, Caesar Cipher Lite
Starters 123 Division 2 (Rated)
Maximise Adjacent Sum, Check Adjacent Sum, Minimum And Maximum I, Yet Another Alice Bob Game, Minimum And Maximum II
Starters 153 (Rated till 5 stars)
Another Game, Colorful Tree (Easy Version)
Starters 154 (Rated)
Count Winning Subarrays, GCD and XOR, Triangle Count (Easy), Add 1 or 2 Game
Starters 155 (Rated till 5 stars)
GCD to 1 (Hard), Replace With First, Replace With First Literally, Prefix Suffix Min Max, Array Concatanation
Starters 156 (Rated till 6 stars)
Partition Score
Starters 157 (Rated till 5 stars)
Small, Smaller, Smallest, Normal is Good, Unmedian
Starters 159 (Rated till 5 stars)
Crafty Coloring (Hard), Crafty Coloring (Easy), Icecream and Cone, Glass Bridge (Hard), Super Hero, Random Nim, Glass Bridge (Easy), Chess Colouring, Elections, Card Game
Starters 160 (Rated till 5 stars)
Palindrome Love, Buying Order (Easy), Buying Order (Hard)