![user profile](https://cdn.codechef.com/sites/all/themes/abessive/images/user_default_thumb.jpg)
robostac
- 5★robostac
United Kingdom
- Professional
- Unknown
- No Active Plan. View Details
Activity Heat Map
Rating Graph
Ratings System Update
(2024-02-28 22:30:00)Ratings System Update
(2022-12-20 00:00:00)Learning Paths (0)
None
Practice Paths (0)
None
Contests (28)
Starters 54 Division 4 (Rated)
Equal Distinct, Subarray Game, Number of Credits, Ticket Fine, Departments (Hard Version), K Flip, Team of Two, Departments (Easy Version)
Starters 55 Division 2 (Rated)
Disgust Minimization, Non Zero Xor, Ball Sequence, Balls and Boxes, Permutation Clear, Fever, Mean and Median, Broken Phone, OR Tuples
September Long 2022 Division 1 (Unrated)
Pokemon Battles, Interesting Subarray
Starters 56 Division 1 (Unrated)
K-Subarrays
Starters 57 Division 1 (Unrated)
Delicious Queries, Maximum Expression, Even Splits, Two Different Palindromes
Starters 58 Division 1 (Unrated)
Piles Parity, Break the elements, Equivalent Numbers, Ranklist Pages, Good Arrays, Reach the Target, Add to Subsequence, Remove Bad elements
Starters 59 Division 1 (Unrated)
Maximum Subarray , Alternative Sufferings
Starters 63 Division 1 (Rated for 5 & 6 stars)
Maximize 1s, GCD Sort, Make Length 1, Minimum Absolute Score, Greedy Grid Moves
Starters 64 Division 1 (Rated till 5-stars)
Luigi and Uniformity, Prime Factor Division, Distinct Neighbours
Starters 65 Division 1 (Rated for 5 & 6 stars)
Nahaane Jaa, Binod, Gormint Aunty, Potato to Gold
Starters 66 Division 1 (Rated till 5-stars)
Sorting the Binary String, Good Binary Strings, Palindrome by Splitting, Connect All Cities, Palindrome In Making, Chef and Spice Grid
Starters 68 Division 1 (Rated till 5-stars)
Boring String, XOR Product, Interesting Array, Make Money
Starters 69 Division 1 (Rated till 6-stars)
Make everything divisible by 3, Distinct Sequence, Longest Subarray
Starters 70 Division 1 (Rated till 6-stars)
X AND Y Tree, Two Counters, Prime Reversal, Frequency Array Retrieval
Starters 82 Division 1 (Rated till 6 stars)
Find eX, Difference Matrix
Starters 85 Division 1 (Rated till 6 stars)
Crazy Bishops on Chessboard, Efficient PAN Linking, GCD Queries
Starters 87 Division 1 (Rated till 6 Stars)
Inversions of subsequences, AB plus C
Starters 83 Division 1 (Rated)
Construct String, Order by XOR
Starters 88 Division 1 (Rated till 6 Stars)
Maximum And Or, Chef and Asteroids, Minimize the Bits
Starters 89 Division 1 (Rated till 5 Stars)
Positive or Negative Subarrays, Subarray Removal, Two Averages, Evil Infection
Starters 90 Division 1 (Rated till 6 Stars)
Crushed Apples and a Balance Scale, Sum of Goodness, Printing Binary Array, Anti Palindrome
Starters 91 Division 1 (Rated till 6 Stars)
XOR & Sum, Odd GCD Permutation, Chef Odd, Maximum Sum Permutation
Starters 92 Division 1 (Rated till 6 Stars)
Rectangular Tiling, Dividing into Groups, A Peculiar Arrangement, Distance Coloring
Starters 95 Division 1 (Rated till 6 Stars)
Boxes, Transfusion Chain
Starters 96 Division 1 (Rated till 5 Stars)
Swap the numbers, Mex Array, Absolute Differences
Starters 97 Division 1 (Rated till 6 Stars)
Triplets Min
Starters 99 Division 1 (Rated till 6 Stars)
Segment Three, Two Piles, Exclusion-Inclusion
Starters 101 Division 1 (Unrated)
Minimize Xor Difference, Warrior Chef
Starters 102 Division 1 (Rated till 6 Stars)
Parity Permutation, Circular Trouble, Light The Bulb, Chef Segment, Bit Play
Starters 105 Division 1 (Rated till 6 Stars)
Spooky Sequences, Dull Operation, Wishcraft
Starters 108 Division 1 (Rated till 6 Stars)
Palindromic Prime Numbers, Fair Distribution, Multiple of 9
September Short 2023 Division 1 (Unrated)
GCD Discount, Ultimate Fencing, Lucky Seven, Slow Start, Mixing Extraordinaire
Starters 115 Division 1 (Rated)
Subtraction Sequence I, Greedy LIS Algorithm, Binary Grid Forces, Make All Zero
Starters 117 Division 1 (Rated till 5-Stars)
Spread Spree, Not Prime Permutation
Starters 120 Division 1 (Rated till 6 Stars)
Count Subarrays, Count Arrays
Starters 123 Division 1 (Rated till 6-Stars)
Room Allocation, Algomaniac Finals, Maximise Adjacent Sum, Minimum And Maximum I, Making Stars, Yet Another Alice Bob Game, Trial of the Conqueror, Minimum And Maximum II