Alexandru Valeanu

Practice: 

Small factorials, Pouring water, Marbles, Stable Marriage Problem, Ambiguous Permutations, Enormous Input Test, Sums in a Triangle, Fossil in the Ice, Turbo Sort, Not a Triangle, ATM, Life, the Universe, and Everything, Permutation Cycles, A puzzle game, Binomial Coefficient, Yet Another Number Game, Flipping Coins, Cooling Pies, A String Game, Cutting Recipes, Number Game Revisited, Holes in the text, Three Way Communications, Can You Multiply, Popular Rice Recipe, Socializing Game around Pizza, Younger Brother, Hotel Bytelandia, Ciel and A-B Problem, Dynamic GCD, Count of Maximum, Little Elephant and Bombs, Block Game, Racing Horses, Doors, Different Trips, Pizza Delivery, The Mirror of Galadriel, Level Of Difference, Fire Escape Routes, Your Name is Mine, Andrew and the Meatballs, Mountain Holidays, Subtraction Game 1, Subtraction Game 2, Chopsticks, Count K-Primes, Sereja and Graph, CAO Stage-3, Chef and The Right Triangles, Strange Matrix, Chef and Gift, Chef and Pie, Kamehameha, Code, Combinatorial Numbers, Statues, Line Problem, Lucy and Palindromes, Exponential Game, Chefs in Queue, Trees and Subtrees, Jack - The Gentleman, Rich Rhyme, A Story with Strings, Game of Divisors, Little Elephant and T-Shirts, Shortest Path in Binary Trees, Tree Game, Permutation Shuffle, Lucky Fives, Coprime Triples, Dynamic Inversion, Earthquake, And Operation, Shift The String, Lowest Common Ancestor, Simple Editor, Friends, Chef and Array, Harrenhal, Wall, Iron Islands, Shooting, Chef and medium problem 2, XOR with Subset, Most Distant Points, String Matching, Candidate walk, Just multiply, Many bananas, Palindromeness, No Unpaired Chefs, Taxi Driver, Equality, Version Control System, How to Repaint a Fence, Na2a and lucky stone, Cops and the Thief Devu, Maximize Disjoint Pair Sum, Path containing K Nodes, Count Subarrays, Chef and Bitwise OR Operation, Chef and Submatrix, Chef and Two Strings, Chef and Sets, Capital Movement, Make Palindrome, Palindromes and Substrings, Cat and Mouse, Super Strings, Watson asks Does Permutation Exist, ChefWatson uses Social Network, FastFood Combos, Minimum Reversals, Divide the Set, Mathison and the Dynamo shuffle, Mathison and pangrams, Mathison and the teleportation game

September Cook-Off 2013: 

Code

October Cook-Off 2013: 

Polo the Penguin and the Numbers, Polo the Penguin and the Test

September Lunchtime 2013: 

Chef and Gift, Chef and Pie

October Challenge 2013: 

Helping Lira

October Lunchtime 2013: 

Girl Friend and String Gift

November Challenge 2013: 

Uncle Johny, Missing some chairs

July Cook-Off 2014: 

Copy-Paste, Sum Queries

August Cook-Off 2014: 

Permutation Shuffle

September Cook-Off 2014, ACM-ICPC Warm up: 

Sherlock and the Grid, Subarray GCD, Subarray LCM

October Cook-Off 2014: 

The Army, Walk on the Axis, Mahesh and his lost array

February Challenge 2014: 

Longest Common Pattern, Little Elephant and Subarrays

May Challenge 2014: 

Compilers and parsers, Chef-jumping, Chef and Strange Matrix, Stone

June Challenge 2014: 

Chef and Subarray, Guessing Game

August Challenge 2014: 

Chef and Reversing, The Leaking Robot, Cleaning Tables, Chef and Gift

September Challenge 2014: 

Chef and Rainbow Array - 2, Chef and Left-Right, Chef and sequence, Fun with Rotation

October Challenge 2014: 

Remy paints the fence, Chef and Ground, Chef and Painting, Chef and Square, Magical Girl and Colored Liquid Potions, DevuLand, Dinosaurs and Laddus

November Challenge 2014: 

Distinct Characters Subsequence

May Lunchtime 2014: 

Divisible Subset, Approximately II

June Lunchtime 2014: 

The Smallest Pair

July Lunchtime 2014: 

And Operation, Shift The String, Lowest Common Ancestor, Simple Editor

August Lunchtime 2014: 

Harrenhal

September Lunchtime 2014: 

Chef and easy problem, Chef and easy problem 2, Chef and medium problem , Chef and medium problem 2

October Lunchtime 2014: 

Tanu and Head-bob, Physics Class, Cascading Style Sheets

December Lunchtime 2014: 

Delivery Man, Sum Of Binomial Coefficent , Queries On Tree

January Challenge 2015: 

Queries on the String, Sereja and Number Division 2, Chef and A Large Permutation, Chef and Stones, Sereja and Votes, One Dimensional Kingdoms, Gcd Queries

January Cook-Off 2015: 

Suraj goes shopping

January Lunchtime 2015: 

Piece of cake, Just multiply

February Challenge 2015: 

Chef and Chain, Chef and Equality

April Challenge 2015: 

Count Sequences, Chef and Interview, Broken Telephone, Inversion sorting, Division of Lands, Chef and Piano Scales

October Challenge 2015: 

Count Subarrays, Who dares to be a millionaire

March Lunchtime 2015: 

Saving a gift of love, Painting the Boxes, Chef Anup

April Lunchtime 2015: 

House Cleaning, Tickets

July Lunchtime 2015: 

Greedy puppy, Puppy and game

August Lunchtime 2015: 

Churu and lost string, Minimum Maximum

September Lunchtime 2015: 

Sum of palindromic numbers

February Challenge 2016: 

Sereja and Two Lines, Chef and Strange Operations, Devu and a light discussion, Chef-Detective

March Challenge 2016: 

Palindromic substrings, maximize the sum, Chef And Special Dishes

April Challenge 2016: 

Help Watson Escape, Chef and Ballons, Chef And Magical Path, Chef And Coloring

May Challenge 2016: 

Chef and Balls, Forest Gathering, Chef and Big Soccer, Laddu

February Cook-Off 2016: 

Puppy and Palindromes, Puppy and Catchers, Puppy and Board, Puppy and Sum

February Lunchtime 2016: 

Chef and Socks, Chef and Tic-Tac-Toe

September Lunchtime 2016: 

Chef and Inequality

March Challenge 2017: 

Xenny and Alternating Tasks, Bear and Extra Number, Bandwidth of a matrix

April Challenge 2017: 

Dish Of Life, Similar Dishes

July Lunchtime 2017: 

Find the Maximum Value, Good Pairs, Travel to all Points

Problems Authored (8)

Problems Tested (0)

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Editorials Contributed (0)

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