Subrat chandra Naha
- 5★subrat0018
India- Student
- National Institute of Technology, Rourkela Odisha, India
- No Active Plan. View Details
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Ratings System Update
(2025-07-13 23:00:00)Ratings System Update
(2022-12-20 00:00:00)Learning Paths (0)
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Contests (71)
CodeChef Starters 6 Division 3 (Rated)
Cricket Ranking
CodeChef Starters 7 Division 3 (Rated)
Chess Format, Food Chain
August Challenge 2021 Division 3 (Rated)
Special Triplets, 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)
Shuffling Parities, Airline Restrictions, Travel Pass
September Cook-Off 2021 Division 2
Adjacency Hatred
SnackDown 2021 - Online Qualifiers
Lucky Number
CodeChef Starters 12 Division 3 (Rated)
Good Weather, Make it Divisible
CodeChef Starters 13 Division 3 (Rated)
Chef in Vaccination Queue, Maximum Light Up, The Preparations, Magical Doors
October Challenge 2021 Division 2 (Unrated)
Longest AND Subarray, Digit Removal, MEX-OR
September Lunchtime 2021 Division 3
Two Dishes, Balanced and Unique Arrays, Vaccine Dates
SnackDown 2021 - Online Round 1B
Queens Placement
November Challenge 2021 Division 2 (Unrated)
Weird Palindrome Making, Equal Coins
November Cook-Off 2021 Division 2
Missing Sums, Make it Divisible
CodeChef Starters 17 Division 2 (Rated)
GCD of Prefixes, New Piece
CodeChef Starters 20 Division 2 (Unrated)
Stable Sequence
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
November Lunchtime 2021 Division 2
Strange Minimization, Rapid Re-Orderings
December Cook-Off 2021 Division 2
Median Minimization, Musical Chairs
December Lunchtime 2021 Division 2
Maximum Trio, 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
Infinity 2k21 Division 2 (Rated)
Marbles, Dalgona Treat
Code Drive Division 2 (Rated)
Again XOR problem, Count Number of Peaks
January Cook-Off 2022 Division 2
Palindromes Not Allowed, Mean Maximization, Prime Graph
January Lunchtime 2022 Division 2
Subarray permutations, Prefix Zeros, Permutation XOR Sum
CodeChef Starters 24 Division 2 (Rated)
Anti Palindrome, Avoid Contact, Divisors and Reciprocals, Yet Another Constructive Problem
February Long 2022 - I, Division 2 (Unrated)
Binary Base Basics, N Queens Puzzle Solved !
CodeChef Starters 25 Division 2 (Rated)
Building Towers, Equal MEX, K Distinct Array, Points and Lines
CodeChef Starters 27 Division 2 (Rated)
Distinct Binary Strings, Non Coprime Neighbours, The product mystery
CodeChef Starters 28 Division 2 (Rated)
Permutation Xority, Count the Holidays
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
CodeChef Starters 32 Division 2 (Rated)
Maximize the Minimum, Finding Shoes, Flip Sorting
CodeChef Starters 33 Division 2 (Rated)
Distinct Dilemma, Broken Life, Non Adjacent Flips, Make Them Equal
May Lunchtime 2022 Division 2 (Rated)
Bucket and Water Flow , Maximum Pairwise Modular Sum
Starters 40 Division 2 (Unrated)
Infinity Staircase, Or Permutation, Good Pairs
Starters 41 Division 2 (Rated)
Equal Integers, Is this priority or parity!, Path Parity
June Cook-Off 2022 Division 2 (Rated)
Simple XOR, Break the Stick
Starters 42 Division 2 (Rated)
Minimum or Maximum, Divisible by 3
June Long One 2022 Division 2 (Unrated)
Divisible by i , Possible GCD, Alternate Additions, Equal Strings
Starters 44 Division 2 (Rated)
Palindromes Not Allowed, Atleast and Atmost, Triple Xor, Dense Bracket Sequence
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 2 (Unrated)
Count the ACs, Reversal Sorting, Strong Elements
Starters 45 Division 2 (Rated)
Even Equal Odd, Xor and Multiply, KBG and GN-Theory, Retrieve the Array, Adjacent Sum Parity
Starters 46 Division 2 (Rated)
Prime Xor, Vowel Anxiety, Array sorting, Sort the String
Starters 47 Division 2 (Rated)
Copy and Push Back, Similar Heights, The XOR-OR Dilemma, End Sorted
July Long Two 2022 Division 1 (Unrated)
Maximize Difference, Concat Sort
Starters 68 Division 1 (Rated till 5-stars)
Boring String, XOR Product, Interesting Array, Make Money
Starters 69 Division 1 (Rated till 6-stars)
Distinct Sequence, Longest Subarray
Starters 73 Division 1 (Rated till 6-Stars)
Find an integer, Consecutive Xor
Starters 74 Division 1 (Rated till 6-Stars)
Candies, Maximum Xor Sum, Lcm hates Gcd, Minimal Inversions
Starters 75 Division 2 (Rated)
Chefs Favourite Function, Equal Hamming Distance, Prefix Ones, Three Powers of Two
Starters 88 Division 1 (Rated till 6 Stars)
Maximum And Or, Chef and Asteroids, Minimize the Bits
Starters 90 Division 1 (Rated till 6 Stars)
Crushed Apples and a Balance Scale, Minimum Ugliness, Sum of Goodness, Printing Binary Array, Anti Palindrome
Starters 91 Division 1 (Rated till 6 Stars)
Odd GCD Permutation, Chef Odd, Maximum Sum Permutation
Starters 92 Division 1 (Rated till 6 Stars)
Rectangular Tiling, Dividing into Groups, Beautification of array, Distance Coloring
Starters 98 Division 1 (Rated till 6 Stars)
3-Blast Palindrome, Ball Distribution
Starters 105 Division 1 (Rated till 6 Stars)
Spooky Sequences, Dull Operation, Wishcraft
Starters 106 Division 1 (Rated till 5 Stars)
Playing with OR, Save People, Guess the winner!
Starters 107 Division 1 (Rated till 6 Stars)
Maximal Expression, Adjacent Flips, OR Permutation
Starters 109 Division 1 (Rated till 5 Stars)
Minimum XOR, Chef Lost an Array, Alter Ego, Chroma Swap
Starters 110 Division 1 (Rated till 5-stars)
Marbles, Am I Lucky!, Monsters, Tetris
Starters 114 Division 1 (Rated till 6 Stars)
Yet another Matrix problem, Chef and Tag, Rock-Paper-Scissors
Starters 116 Divison 1 (Rated till 6-Stars)
Chef Product, ORST , Exact Savings
Starters 117 Division 1 (Rated till 5-Stars)
Equality Etiquette, Spread Spree, Not Prime Permutation
Starters 118 Division 1 (Rated till 5-Stars)
Join States, Is it uniquely decodable, Xorry 2, Xorry 1
Starters 119 Division 1 (Rated till 6-Stars)
K Odd Sum, Unalike Gcd & Lcm
Starters 136 Division 1 ( Rated till 6-Stars )
Lexicographically Maximal Prefix AND, Sum of Modes
Starters 137 Division 1 (Rated till 5-Stars)
Speedrun, Double Trouble
Starters 138 Division 1 (Rated till 6-Stars)
A power B mod C , TRIPLE PRIMES, Prefix Suffix Inequality, Breezy Mode Problem, Distinct Substring
Starters 139 Division 1 (Rated till 5-Stars)
Sum of N, Destroying Bridges Part 2
Starters 141 Division 1 (Rated till 5-Stars)
Amphibian Escape, Perfect Prefixes
Starters 142 Division 1 (Rated till 5-Stars)
Sum of Xors, Array Removal, Number Hunt
Starters 143 Division 1 (Rated till 5-Stars)
Non-Divisor Array, Max Min and Length
Starters 144 Division 1 (Rated)
Minimise Inversions, Largest K
Starters 151 (rated till 5 stars)
Ball Game, Sequence Search, RGB Grid (Easy)
Starters 194 (Rated for all)
Munchys Modulo, Good Arrays (Cyclic)