Ratan Sen
- 3★toluene
- India
- Student
- Indian Institute of Technology Guwahati Assam
- No Active Plan. View Details
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(2024-01-03 22:30:02)Ratings System Update
(2022-12-20 00:00:00)Learning Paths (0)
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Practice Paths (0)
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Contests (23)
February Challenge 2021 Division 3
Chef and Meetings, Maximise Function, Highest Divisor
March Cook-Off 2021 Division 3
Weight Balance
April Challenge 2021 Division 3
Valid Pair, World Record, Strong Language
April Cook-Off 2021 Division 3
Chocolate Monger
May Cook-Off 2021 Division 3
Marathon, Vaccine Drive
May Lunchtime 2021 Division 3
Birthday Gifts, Hoop Jump, Tom And Jerry 1
May Challenge 2021 Division 3 (Rated)
Xor Equality, Golf, Solubility
June Challenge 2021 Division 3 (Rated)
Bella ciao, Summer Heat
August Challenge 2021 Division 3 (Rated)
Chef and Bulb Invention, Problem Difficulties, Olympics Ranking
CodeChef Starters 9 Division 3 (Rated)
Black cells in a chessboard, Large Square, Bus full of passengers
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 12 Division 2 (Unrated)
Make it Divisible
CodeChef Starters 14 Division 2 (Unrated)
Odd GCD, Diagonal movement, FIXFIX
October Challenge 2021 Division 2 (Unrated)
Longest AND Subarray, MEX-OR
CodeChef Starters 16 Division 2 (Unrated)
Professor And Directions, Chef and Magical Steps, Pass or Fail
October Cook-Off 2021 Division 2
Odd Sum, Find the Modulus, 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, Min Max LCM
SnackDown 2021 - Online Round 1B
Queens Placement , Largest Laddu, Help Nishant
November Challenge 2021 Division 2 (Unrated)
Weird Palindrome Making, Hill Sequence, Equal Coins, Maximise the bridges
SnackDown 2021 - Online Pre-Elimination
Product Pain
FizzBuzz Division 2 (Rated)
Magical Planks, Clean The Sequence, Substring Minimum Function, Can_Reach
December Challenge 2021 Division 2 (Unrated)
Valleys and Hills, List of Lists
January Long 2022 - I, Division 2 (Unrated)
Prime in a binary string
January Long 2022 - II, Division 2 (Unrated)
Crying Colours, Chef and Fixed Deposits
January Cook-Off 2022 Division 2
Palindromes Not Allowed, Mean Maximization, Subsegment Divisibility , Merged LIS, Prime Graph
CodeChef Starters 23 Division 2 (Unrated)
Average of Three, Subarray Mex, Non Zero Subarray Xor
February Long 2022 - I, Division 2 (Unrated)
Digit Multiplication By K, Binary Base Basics, Bitwise Blend, Remove Adjacent, N Queens Puzzle Solved !, Chef and the Hair Salon
February Long 2022 - II, Division 2 (Unrated)
Avoid Fixed Points, Sequence GCD, Bitwise swaps, Xor Palindrome
CodeChef Starters 26 Division 2 (Unrated)
Careless Chef, Control the Pollution
March Long One 2022, Division 2 (Unrated)
Akash and Function, Subarray XOR, Substring of a Substring, Exact Marks
May Long Two 2022 Division 2 (Unrated)
Xor Palindrome, Make them Zero
Starters 40 Division 2 (Unrated)
Infinity Staircase, Or Permutation, Good Pairs
Starters 41 Division 2 (Rated)
Equal Integers, Remove and Add, Is this priority or parity!, Path Parity
Starters 42 Division 1 (Unrated)
Minimum or Maximum
June Long One 2022 Division 1 (Unrated)
Divisible by i
Starters 44 Division 1 (Unrated)
Dense Bracket Sequence
Starters 43 Division 1 (Unrated)
The Optimal Pairs
June Long Two 2022 Division 1 (Unrated)
Reversal Sorting
July Long Two 2022 Division 1 (Unrated)
Maximize Difference, Hungry Chef
Starters 54 Division 1 (Unrated)
Equal Distinct, K Flip
October Long 2022 Division 1 (Unrated)
Single Operation Part 1
Starters 70 Division 2 (Rated)
Minimum distance between 1s, Prime Reversal, Frequency Array Retrieval
Starters 71 Division 2 (Rated)
Pet Store, Maximizing LCS
December Long 2022 Division 1 (Unrated)
Divisible by A_i, Divisible by K
Starters 76 Division 2 (Rated)
Make Array Odd, Zero String, Not Divisible
Starters 80 Division 2 (Rated)
Permutation Subsequence, Prefix Permutation, Equal Elements
Starters 114 Division 2 (Rated)
Yet another Matrix problem, Chef and Tag, Rock-Paper-Scissors, Christmas Candy