Eugene Alterman
- 2★eugalt
- United States
- Professional
- None
- List of teams by Eugene Alterman
- https://discuss.codechef.com/u/eugalt
- No Active Plan. View Details
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Ratings System Update
(2024-05-08 22:00:04)Ratings System Update
(2022-12-20 00:00:00)CodeChef Rating Distribution
Submissions
Practice Problems (230):
Practice:
Sereja and Commands, Hill Jumping, Pishty and tree, Mathison and the Dynamo shuffle, Modular GCD, Chef and Subarray Queries, Strange Function, Chef And Easy Xor Queries, Partition the numbers, Multiple of 3, Survive in ChocoLand, Chef and Easy Problem, Minions and Voting, Two Flowers, Vision, Binary Nim, Triple-tree decomposition, Fake Binary Search, Best Cake Ever, Encoding Message, OR Matrix, Forced Particles, Sheokand and Number, Mixi Game, Chef and Eid, Mix Mix Game, OneTwo, Opposite Cites, Chef Restaurant , Weird Question, Good Median, Truth and Dare, A-B Game, Useful Number, Yalalovichik Numbers, Choosing from Buckets, Age Calculator, Distinct Pairs, Earning A Profit , Pied Piper vs Hooli, Recover the Sequence, Ants and Anteaters, Birthday Gift Again, The Biggest Restaurant, Destroy Cells, All Substrings, D-Or, Planting Trees, Washing Windows, Swapping to Palindrome, Not All Flavours, Maximize LCM, Simple Operations, Maximum AND, Positive Mex, Laxman and Maths, Per Capita Income, Checkpoints, Doof fires Brackets, Cherry and Bits, Xor and Xnor Series, Empire Business , Chef and Subtree MEXs, Chef Likes Good Sequences, Gasoline, Cybalphabit, Protect Computers , BUY CHOCOLATES, Maximise Islands, Password, Chef’s Number Puzzle, Dreams of Divisibility, The Last Problem, C - Mission Gotham, OR of ANDs, Chef and Subarrays, Total Components, Unpleasant Ones, Mod Equality, Odd GCD, Maximise the Subsequence Sum, K - balanced string, Add and Divide, Zebra Crossing, Adjacency Hatred, Another Shortest Paths Problem, Diagonal movement, FIXFIX, Chef and Water Car, GCD of Prefixes, New Piece, The One with Ross Wedding, Again XOR problem, Sorting Segments, ChefWM, Non Zero Xor, Maximising Vacations, Non Zero Subarray Xor, Stone Game, Sad Splits, Adjacency Love, XOR and AND, Stable Mex, Flip Sorting, Binary Mismatch, Binary String Xor, Admins and Shopping, Buying Sweets, Reduce to 1, Minimize Blocked Roads, Beat the Average, Even Equal Odd, Or Permutation, Remove and Add, The Optimal Pairs, The Lost Array, Triple Xor, Xor and Multiply, Army Training, Copy and Push Back, Different Medians, Tree Coloring, Departments (Easy Version), Distinct Numbers, K-Subarrays, Maximize Colours, Maximum Expression, Increasing Addition, Equivalent Numbers, Maximum Subarray , Confusing Concatenations, Weird Subarrays, Subarray Removal, Sorted Substrings, Nahaane Jaa, Maximize 1s, Minimum Absolute Score, Range Assign, Number of Distinct Elements Minimize, Candies, Binod, Split and Maximize, Potato to Gold, Good Binary Strings, Palindrome by Splitting, Gcd of Subarrays, Longest Subarray, Minimum distance between 1s, Frequency Array Retrieval, Flip the Prefix, No sequence, Lcm hates Gcd, Odd Even Binary String, Three Powers of Two, Make Array Odd, Zero String, Not Divisible, Take Not Less, Minimum Beauty , K Increment Palindrome, Three Numbers, One Stone or Two Stones, Permutation Subsequence, Prefix Permutation, Divide Pages, Maximum Capacity, Difference Matrix, Construct String, Order by XOR, Max count of 1, Chef And Adjacent Sums, Maximum And Or, Cricket Match, Chef and Battery , AB plus C, Subarray Removal, Maximum Sum Permutation, Possible or Not, The Vowel Matrix, Water Filling, NASA, EVacuate to Moon, Remove Multiples, FIND A and B, Airport Management, Triplets Min, Segment Three, Stamps 100, Minimize Xor Difference, Array Sum, Save People, Guess the winner!, Divisible By 8, Maximise Sum, Wishcraft, Monsters, Prefixing, Beautiful Strings, 3 Logicians Walk into a Bar, Max Nutrition, Rock-Paper-Scissors, Greedy LIS Algorithm, Make All Zero, A PLUS B Remastered, ORST , Equality Etiquette, Subset GCD, Join States, Judged, Cookie Day, Another Good String , K Odd Sum, Frequal, Caesar Cipher Lite, Maximise Adjacent Sum, Check Adjacent Sum, Minimum And Maximum I, Transformation Cost, Minimum And Maximum II, Table Strength, Freedom, Sale, Permutation Disturbance, Triangular Swaps, Anti-Triangle, Disjoint Non-Decreasing Array, Palindromic Substrings, Good Binary String, Encrypt Value, ALIEN-OR, Powered Parameters
Contests (569):
July Challenge 2017:
Chef and Sign Sequences, Tree Expectancy, Whats in the Name, Calculator , IPC Trainers, Two Coins
August Long Challenge 2017:
Chef and Rainbow Array, Chef and Mover, Hill Jumping, Palindromic Game, Greedy Candidates
September Challenge 2017:
Sereja and Commands, Chef and Pick Digit, Minimum Good Permutation, Little Chef and Sums
October Challenge 2017:
Chef and a great voluntary Program, Max Mex, Counter Test For CHEFSUM, A Balanced Contest
November Challenge 2017:
Chef Hates Palindromes, Chef goes Left Right Left, Periodic Palindrome Construction, Villages and Tribes
December Challenge 2017:
Total Diamonds, Chef And his Cake, Chef And Easy Xor Queries, Penalty Shoot-out, Chef and Hamming Distance of arrays
January Challenge 2018:
K-Concatenation, Maximum Score, Rectangle, String Merging, Partition the numbers
February Challenge 2018:
Broken Clock, Chef And His Characters, Chef And The Patents, Car-pal Tunnel, Permutation and Palindrome
March Cook-off 2018 Division 2:
Chef Goes to the Cinema, Chef Restores a Matrix, Chef Judges a Competition
December Challenge 2018 Division 2:
Max and Electrical Panel, Chef and Interactive XOR, Chef and Interactive Contests, Chef and An Ideal Problem
November Challenge 2018 Division 2:
Chef and Ridges, Appy Loves One, Good Median, Chef and Difficult Contests, Chef and Happiness
January Lunchtime 2021 Division 2 (Unrated):
Dreams of Divisibility, Binary Subsequence, Even Differences, Even Sum
CodeChef Starters 13 Division 2 (Rated):
Add and Divide, Chef in Vaccination Queue, Maximum Light Up, Magical Doors
CodeChef Starters 29 Division 2 (Rated):
String protocol, Plusle and Minun on Array, Decomposition Reaction
CodeChef Starters 31 Division 3 (Rated):
XOR and AND, Alternating String, Sign Moves, The Unchanging OR, Group Assignment
CodeChef Starters 33 Division 2 (Rated):
Distinct Dilemma, Broken Life, Non Adjacent Flips, Make Them Equal
CodeChef Starters 34 Division 2 (Rated):
Average Array, Binary String Xor, Is the Score Consistent, Expiring Bread
May Lunchtime 2022 Division 3 (Rated):
Bucket and Water Flow , Maximum Pairwise Modular Sum, Equal After And, Problems in your to-do list
May Long Two 2022 Division 2 (Unrated):
Subsequence-Numbers Divisible by 7, Xor Palindrome, Subarrays with length, Make them Zero
June Long Two 2022 Division 3 (Rated):
Count the ACs, Make all equal using Pairs, Complementary Strand in a DNA, Reversal Sorting, Strong Elements
Starters 45 Division 3 (Rated):
Even Equal Odd, Chef and his Apps, Retrieve the Array, Adjacent Sum Parity, Change Row and Column Both
July Long One 2022 Division 3 (Rated):
Journey of the Knight, Game of Piles Version 1, Slow Solution, Pass the Exam, Chef and Candies
July Lunchtime 2022 Division 3 (Rated):
The Last Levels, Easy Pronunciation, Yet Another Palindrome Making Problem, Maximum Median Matching, Largest Family
July Long Two 2022 Division 2 (Unrated):
Maximize Difference, Concat Sort, To Divide or Not To Divide, Sum of Product 1, Sum of Product 2
September Lunchtime 2022 Division 3 (Rated) (Based on EJOI):
Flip the cards, Equalize AB, Stick Break, Permutation Creation, Increasing Addition
October Long 2022 Division 3 (Rated):
Building Race, Single Operation Part 1, Single Operation Part 2
Starters 60 Division 3 (Rated):
Distinct Numbers, Yet Another Palindrome Problem, Paper Cutting, Palindrome Flipping, Card Removal
Starters 61 Division 3 (Rated):
Minimise LCS, Different Consecutive Characters , Subarray Removal, Odd Sum Pair
Starters 63 Division 3 (Rated):
One-XOR Deletions, Make Length 1, Minimum Absolute Score, Avoid Squares Please
Starters 64 Division 3 (Rated):
Mario and the Broken String, Luigi and Uniformity, Range Assign, Number of Distinct Elements Minimize, Distinct Colors
Starters 80 Division 3 (Rated):
Prefix Permutation, Single-use Attack, Running Comparison, Equal Elements
Starters 85 Division 3 (Rated):
Crazy Bishops on Chessboard, Efficient PAN Linking, Inside The Stadium, Can Chef
Starters 89 Division 3 (Rated):
Monopoly, Plus 2 or Minus 1, Positive or Negative Subarrays, DDMM or MMDD
Starters 115 Division 3 (Rated):
A PLUS B Remastered, Decorating Christmas Tree, Chocolate Distribution
Starters 130 Division 3 (Rated):
Make Equal, Alternating Binary String, Swapping Marks Digits, Good Binary String
Learning Paths (0):
None
Practice Paths (19):
Strings:
Different Consecutive Characters , DDMM or MMDD, Efficient PAN Linking, Blobby Volley Scores, Password
Contributions
Problems Authored (0)
No Contribution
Problems Tested (0)
No Contribution
Editorials Contributed (0)
No Contribution