Eugene Alterman
- 2★eugalt
United States- Professional
- None
- No Active Plan. View Details
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Rating Graph
Ratings System Update
(2024-12-18 22:00:04)Ratings System Update
(2022-12-20 00:00:00)Learning Paths (0)
None
Practice Paths (0)
None
Contests (223)
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
September Cook-Off 2017
Statistics Construction, Subsequence Equality
August Lunchtime 2017
Mathison and the Dynamo shuffle, Mathison and pangrams
November Lunchtime 2017
Smart Strategy
December Lunchtime 2017
Days in Month
January Challenge 2018
K-Concatenation, Maximum Score, Rectangle, String Merging, Partition the numbers
January Cook-Off 2018
Survive in ChocoLand
February Challenge 2018
Broken Clock, Chef And His Characters, Chef And The Patents, Car-pal Tunnel, Permutation and Palindrome
March Challenge 2018 DIV 1
Chef and Easy Problem, Mix the Colors
March Cook-off 2018 Division 2
Chef Goes to the Cinema, Chef Restores a Matrix, Chef Judges a Competition
April Cook-off 2018 Division 2
Cut the Board, Binary Nim
May Cook-off 2018 Division 2
Best Cake Ever, Secret Recipe
June Cook-Off 2018 Division 1
Good Permutations
August Cook-Off 2018 Division 2
Mixi Game, Balsa For The Three
September Mega Cook-Off 2018 Division 2
ATM Machine, Make a Permutation
October Mega Cook-Off 2018 Division 2
Ada and the Staircase
November Cook-Off 2018 Division 2
Truth and Dare, Beautiful Garland
December Cook-Off 2018 Division 2
Camp Or Not
March Lunchtime 2018 Division 2 (Unrated)
Chef and Friends, Three Integers, Magic Elements
April Lunchtime 2018 Division 2
Two vs Ten, The hardest gcd problem
April Challenge 2018 Division 2
Weight of Numbers, Count Good Prefixes, Average of Pairs, Workers
May Challenge 2018 Division 1
Dibs on Fibs
June Challenge 2018 Division 1
Two Flowers, Vision
July Challenge 2018 Division 1
No Minimum No Maximum
August Challenge 2018 Division 2
Modular GCD, Problem Sort, Sheokand and Number, Spell Bob
September Challenge 2018 Division 2
Magician versus Chef, War of XORs, Chef and Adventures
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
October Challenge 2018 Division 2
Chef and Serves, Byte to Bit
July Lunchtime 2018 Division 2
Split Stones
August Lunchtime 2018 Division 2
Chef and Problem Setting, Chef and Eid
September Lunchtime 2018 Division 2
Judging Delay, Chef Restaurant
November Lunchtime 2018 Division 2
Event
October Lunchtime 2018 Division 2
Three Friends, Coloring the Grid, Weird Question
December Lunchtime 2018 Division 2
Print Pattern, Age Calculator
January Challenge 2019 Division 2
Lucky Number Game, Distinct Pairs, Fancy Quotes
January Cook-Off 2019 Division 2
Ada School, Ada King
February Challenge 2019 Division 2
Chef and Secret Ingredients, Appy and Contest, Deputy Chef
February Cook-Off 2019 Division 2
Chef and Secret Password, Buying New Tablet, Chef and Party
February Lunchtime 2019 Division 2
Average Number, The Tricky Deal
March Challenge 2019 Division 2
Chef got Recipes, Chef and Number Game, Chef and a Beautiful Digit
March Cook-Off 2019 Division 2
XOR N-bonacci Sequence, UEFA Champions League
April Lunchtime 2019 Division 2
Attendance, Fast Food, Minimum Sum
May Cook-Off 2019 Division 2
Chain Reaction, Misha and Nice Sets, Recover the Sequence
July Cook-Off 2019 Division 1
Birthday Gift Again
August Lunchtime 2019 Division 1
Destroy Cells
September Mega Cook-Off 2019 Division 1
Angry Grandfather
September Lunchtime 2019 Division 1
Find the Sum
October Mega Cook-Off 2019 Division 1
D-Or
November Cook-Off 2019 Division 1
The Biggest Restaurant
November Lunchtime 2019 Division 1
Planting Trees, Washing Windows
International Coding League 2019 (Rated for Division 2)
FlatLand, Too Many Candies, A Weird Device
March Cook-Off 2020 Division 2
Mysterious Sequence, Find Your Gift, Box of Chocolates
April Cook-Off 2020 Division 1
Simple Operations
February Lunchtime 2020 Division 2
At the Gates, Not All Flavours
UWCOI 2020 (Rated for all)
Button Pairs, Find maximum in an Array
July Cook-Off 2020 Division 2
Even-tual Reduction, OR-thodox Distinction
August Cook-Off 2020 Division 2
Polygon Relationship, Chef and Work, K-Foldable String
August Lunchtime 2020 Division 2
Mode of Frequencies
June Cook-Off 2020 Division 1
Checkpoints
June Lunchtime 2020 Division 1
Maximum AND
RECode 12.0 (Rated for all)
Chef and String, Chef and Rotation, Chef and Numbers
January Lunchtime 2021 Division 2 (Unrated)
Dreams of Divisibility, Binary Subsequence, Even Differences, Even Sum
November Cook-Off 2020 Division 2
Flip the String, Chef and IPC Certificates
October Lunchtime 2020 Division 2
AND Plus OR, Chef and Subtree MEXs
November Lunchtime 2020 Division 2
Gasoline Introduction
Coders' Legacy (Rated for all)
Chef vs Doof, Doof on Cartesian
September Cook-Off 2020 Division 2
Bowling Strategy
September Lunchtime 2020 Division 2
GCD operations, Watermelon
Code Ensemble (Rated for Division 2)
Priya and AND, Help Martha
InfInITy 2k20 Division 2 (Rated)
The One Who Knocks!
Byterace IIT Patna Division 2 (Rated)
The Begining Era Of Cyberverse
January Cook-Off 2021 Division 3
Prime Tuples, Distinct Pair Sums, Password
April Cook-Off 2021 Division 2
OR of ANDs, Chocolate Monger
SPYBITS IIT BHU Division 2 (Rated)
B - Valentine Couples, A - Save Water Save Life
May Cook-Off 2021 Division 2
The Last Problem
May Lunchtime 2021 Division 2
Charges, Tom And Jerry 1
June Lunchtime 2021 Division 2
From Rational to Binary, False Number, Unpleasant Ones
July Cook-Off 2021 Division 2
XOR-ORED
August Lunchtime 2021 Division 2
K-th Maximum, Crossing Blocks, Just a Graph
September Cook-Off 2021 Division 2
Zebra Crossing, Fake Swaps, Adjacency Hatred
CodeChef Starters 12 Division 2 (Unrated)
Make it Divisible, Maximum Points
CodeChef Starters 13 Division 2 (Rated)
Add and Divide, Chef in Vaccination Queue, Maximum Light Up, Magical Doors
October Challenge 2021 Division 2 (Unrated)
Longest AND Subarray, Digit Removal, MEX-OR
October Cook-Off 2021 Division 2
Odd Sum, 01 Subsequence
October Lunchtime 2021 Division 2
Chef and Water Car, Exactly N plus 1 Values
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
November Lunchtime 2021 Division 2
Expected Weight
SnackDown 2021 - Elimination Parallel (Rated for Div 2)
Yet another subarray problem, Remove Element
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, And Or Union
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
CodeChef Starters 23 Division 2 (Unrated)
Average of Three, Subarray Mex, Maximising Vacations
January Lunchtime 2022 Division 2
Subarray permutations, Prefix Zeros
CodeChef Starters 25 Division 2 (Rated)
Equal MEX, Points and Lines
CodeChef Starters 26 Division 2 (Unrated)
Careless Chef, Control the Pollution
CodeChef Starters 29 Division 2 (Rated)
String protocol, Plusle and Minun on Array, Decomposition Reaction
March Cook-Off 2022 Division 2
Fixed Weight, Janmansh at Fruit Market, Equal Mex Splitting
CodeChef Starters 31 Division 3 (Rated)
XOR and AND, Alternating String, Sign Moves, The Unchanging OR, Group Assignment
CodeChef Starters 32 Division 2 (Rated)
Finding Shoes, Flip Sorting
April Cook-Off 2022 Division 3
Sticks and Rectangles, Funny Hand
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
Starters 35 Division 2 (Rated)
Dark Light
Starters 36 Division 3 (Rated)
Presents for Cheffina, Chef and Bird farm
May Cook-Off 2022 Division 3 (Rated)
Farmers League, Game of Pooks, Doubled Distances
Starters 37 Division 3 (Rated)
Beat the Average, Laptop Recommendation , Infernos
Starters 38 Division 3 (Rated)
Good Pairs, Dominant Army, Circular Track
May Lunchtime 2022 Division 3 (Rated)
Bucket and Water Flow , Maximum Pairwise Modular Sum, Equal After And, Problems in your to-do list
Starters 39 Division 2 (Rated)
Compress the Video, Closest Vowels, Even Subarray XOR
May Long Two 2022 Division 2 (Unrated)
Subsequence-Numbers Divisible by 7, Xor Palindrome, Subarrays with length, Make them Zero
Starters 40 Division 2 (Unrated)
Infinity Staircase, Good Pairs
July Cook-Off 2022 Division 3 (Rated)
K-MEX, High Accuracy
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)
Alternate Additions, Equal Strings
Starters 44 Division 2 (Rated)
Triple Xor
Starters 43 Division 2 (Rated)
Distinct Palindrome
June Lunchtime 2022 Division 2 (Rated)
Zero Ones Equal One Zeros, Equal by XORing
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
Starters 46 Division 3 (Rated)
Sort the String, MATH1 Enrolment, Group Assignment, Army Training
Starters 47 Division 3 (Rated)
Similar Heights, Construct N, End Sorted, Minimum Coins
July Lunchtime 2022 Division 3 (Rated)
The Last Levels, Easy Pronunciation, Yet Another Palindrome Making Problem, Maximum Median Matching, Largest Family
Starters 48 Division 3 (Rated)
Buy Lamps, Fill The Grid, Make Palindrome 2, Positive array
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
Starters 49 Division 2 (Rated)
Split The String, High Frequency, Monks, Valid Minimum
Starters 50 Division 2 (Rated)
Permutation GCD, Sum Product Segments, Average Permutation
Starters 51 Division 2 (Rated)
Split N
Starters 52 Division 2 (Unrated)
WA Test Cases
August Lunchtime 2022 Division 2 (Rated)
Easy Permutation, Array Equality
Starters 54 Division 2 (Unrated)
Equal Distinct
Starters 55 Division 2 (Rated)
Balls and Boxes, Mean and Median, OR Tuples
September Lunchtime 2022 Division 3 (Rated) (Based on EJOI)
Flip the cards, Equalize AB, Stick Break, Permutation Creation, Increasing Addition
Starters 57 Division 3 (Rated)
Even Splits, Non-Negative Product, Two Different Palindromes
Starters 58 Division 2 (Unrated)
Break the elements, Equivalent Numbers, Add to Subsequence
Starters 59 Division 2 (Rated)
Suspense String
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 62 Division 3 (Rated)
Sorted Substrings, Make Multiple, Final Sum, X Jumps, Test Score
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 65 Division 2 (Rated)
Nahaane Jaa, Candies, Binod, Potato to Gold
November Long 2022 Division 2 (Unrated)
Spliting Balls
Starters 66 Division 2 (Rated)
Good Binary Strings, Just Like Mob!
Starters 68 Division 2 (Rated)
Boring String, XOR Product, Expense List, Make Money
Starters 69 Division 2 (Rated)
Akash and Dinner, Distinct Sequence
Starters 70 Division 2 (Rated)
Minimum distance between 1s, Prime Reversal
Starters 71 Division 2 (Rated)
Pet Store
December Long 2022 Division 2 (Unrated)
Maximise XOR
Starters 72 Division 3 (Rated)
Indivisible, Apples and oranges, N Triplets, No sequence
Starters 73 Division 2 (Rated)
Consecutive Xor, Append for OR
January Long 2023 Division 2 (Unrated)
Asymmetric Swaps, Minimize the Maximum, Array Halves
February Cook-Off 2023 Division 2 (Rated)
Take Not Less, Permutation and Modulus
Starters 77 Division 2 (Rated)
Concat Palindrome
Starters 78 Division 3 (Rated)
Bitwise Equation, Valid Expression, Passing Marks
Starters 79 Division 3 (Rated)
Add smallest prime factor, Distinct Opposite Sums, Better Deal
Starters 80 Division 3 (Rated)
Prefix Permutation, Single-use Attack, Running Comparison, Equal Elements
Starters 82 Division 3 (Rated)
Find eX, Make A-B Same, Reach Home, Difference Matrix, MIN To MAX
Starters 84 Division 3 (Rated)
Max count of 1, Elections in Chefland, Max Binary, Melt Gold
Starters 85 Division 3 (Rated)
Crazy Bishops on Chessboard, Efficient PAN Linking, Inside The Stadium, Can Chef
Starters 87 Division 3 (Rated)
Return the Change, Existence
Starters 83 Division 3 (Rated)
Chef Eren
Starters 88 Division 3 (Rated)
Chef and Asteroids, Unstable Subarray, Largest and Second Largest
Starters 89 Division 3 (Rated)
Monopoly, Plus 2 or Minus 1, Positive or Negative Subarrays, DDMM or MMDD
Starters 91 Division 3 (Rated)
Odd GCD Permutation, Chef Odd, Blobby Volley Scores
Starters 93 Division 3 (Rated)
Break Free, 7 Rings, Problem
Starters 94 Division 3 (Rated)
Gymkhana Election IIIT-A, CodeChef Streak, Possible or Not
Starters 95 Division 2 (Rated)
Transfusion Chain, EVacuate to Moon
Starters 96 Division 3 (Rated)
Bells of Pilgrimage, Weeding
Starters 97 Division 3 (Rated)
Caesar Cipher, Schrodinger Smiley, Best of Two
Starters 99 Division 3 (Rated)
Card Swipe, Endless Appetizers, Exclusion-Inclusion
Starters 100 Division 3 (Rated)
Stamps 100, Trade Surplus, Chocolate Distribution
Starters 101 Division 3 (Rated)
Warrior Chef, Work Smarter, Not Harder, Lockpicking Chef
Starters 102 Division 3 (Rated)
Bit Play, Selling Insurance, Chef and Stocks
Starters 103 Division 3 (Rated)
Sunday Brunch, Divisible By 8, Dice Number
Starters 104 Division 2 (Rated)
GCD and LCM
Starters 105 Division 3 (Rated)
Dracula Eats, Take it Easy, Dull Operation
Starters 106 Division 2 (Rated)
Playing with OR, Guess the winner!
Starters 110 Divison 3 (Rated)
Water Park, Airlines, Marbles, Am I Lucky!, Monsters
Starters 111 Division 2 (Rated)
Beautiful Strings, Reach Codetown
Starters 112 Division 2 (Rated)
Cursed Indices, 3 Logicians Walk into a Bar, Max Nutrition
Starters 114 Division 2 (Rated)
Rock-Paper-Scissors, Christmas Candy
Starters 115 Division 3 (Rated)
A PLUS B Remastered, Decorating Christmas Tree, Chocolate Distribution
Starters 116 Division 3 (Rated)
Hattrick, ORST , Access Control
Starters 117 Division 3 (Rated)
Not Prime Permutation, Weapon Choice, Spell Shortening
Starters 118 Division 3 (Rated)
Literacy Rate
Starters 120 Division 3 (Rated)
Count Subarrays, Largest K, Sub or Swp, Valentine Gifts
Starters 121 Division 3 (Rated)
Caesar Cipher Lite, Anti Adjacent Swaps, The Man Code
Starters 122 Division 3 (Rated)
Problem Reviews, Arya In Grid, Man of the Match
Starters 124 Division 2 (Rated)
Binary Parity, Table Strength
Starters 126 Division 3 (Rated)
Dice Game 3, Sale
Starters 127 Division 3
Superincreasing, Extreme Basketball
Starters 128 Division 3 (Rated)
Moody Chef, MEXimize the Array
Starters 129 Division 3 (Rated)
Pep Bidding, Ballon d Or
Starters 130 Division 3 (Rated)
Make Equal, Alternating Binary String, Swapping Marks Digits, Good Binary String
Starters 131 Division 3 (Rated)
K-Closeness, Gotta Catch Em All, Dice Deception
Starters 132 Division 3 (Rated)
ALIEN-OR, Change Please, GAME 11
Starters 133 Division 3 (Rated)
Legs on a Farm, Maximum Alternating Sum
Starters 134 Division 3 (Rated)
Origin, Money Double, Rock Paper Scissors
Starters 135 Division 3 (Rated)
Invert And Equalize, Change A to B, Football Ties
Starters 136 Division 2 ( Rated )
Sum of Modes, My First Geometry Problem
Starters 137 Division 2 (Rated)
Large Differences
Starters 138 Division 2 (Rated)
A power B mod C , Prefix Suffix Inequality, Long Drive, Distinct Substring
Starters 139 Division 2 (Rated)
Maximum Distance Permutations
Starters 140 Division 3 (Rated)
Make Permutation, Split Permutation, Trick Or Treat, Yoga Class
Starters 141 Division 2 (Rated)
Redundant Array
Starters 144 Division 2 (Rated)
Budget Allotment
Starters 145 Division 3 (Rated)
Gun Master, Make My Array Equal
Starters 148 Division 3 (Rated)
Let Me Eat Cake!, FightBots
Starters 149 (Rated)
Magical World, Easy Subarray Sum, Maximise Sum
Starters 150 (Rated)
Find Multiset State, Ratio By 2, Equal Pairs (Easy)
Starters 152 (Rated)
Winning World Finals, Range Minimize
Starters 153 (Rated)
Make Arithmetic Progression, Butterfly, Another Game
Starters 154 (Rated)
GCD and XOR, Add 1 or 2 Game, Calorie Limit
Starters 155 (Rated)
Chef and Parole, GCD to 1 (Easy), GCD to 1 (Hard), Rectangled
Starters 156 (Rated)
Partition Score, Long Queue, Even Numbers Hate
Starters 157 (Rated)
Small, Smaller, Smallest, Not-too-far Replacement, Non-matching Name, Normal is Good (Easy)
Starters 158 (Rated)
Largest Subsequence, XOR Smaller, Even vs Odd Divisors
Starters 159 (Rated)
Super Hero, Elections, Card Game
Starters 160 (Rated)
Equate S and T
Starters 161 (Rated)
Selling Donuts
Starters 164 (Rated)
Itz Simple, Swap and Flip
Starters 165 (Rated)
Poster Perimeter, Stable Array, Bulk Discount