Vladimir Petrunko
- sapfire
Russia- Student
- No. 27 Middle School Saint-Petersburg, Russia
- No Active Plan. View Details
Activity Heat Map
Learning Paths (0)
Practice Paths (1)
Contests (40)
November Challenge 2016
Count Permutations, Chef and squares, Sereja and Ways in the Cube, Task for Alexey
December Challenge 2016
Train Partner, Our Base is Under Attack
November Cook-Off 2016
Sebi and the highway
December Cook-Off 2016
Chef and Subset
January Challenge 2017
Capital Movement, Cats and Dogs, Sereja and Circles, Reservior, Tourists in Mancunia
February Challenge 2017
Chef and Triangles, Chef and His Apartment Dues, Most Frequent Element, Gerrymander, Alice and her garden
March Challenge 2017
Cooking Schedule, Xenny and Alternating Tasks, Bear and Extra Number, (CH) Bear and Sorted Rows, Bandwidth of a matrix
January Cook-Off 2017
Digit Longest Increasing Subsequences 2
February Cook-Off 2017
Download file
April Challenge 2017
(CH) Serejs and Billiards, Dish Of Life, Bear and Row 01, Similar Dishes
May Challenge 2017
Chef and his daily routine, Courses in an university, Median of adjacent maximum numbers
July Challenge 2017
Chef and Sign Sequences, Tree Expectancy, Whats in the Name, Servers (Challenge), Calculator , IPC Trainers
August Long Challenge 2017
Chef and Rainbow Array, Chef and Mover, Palindromic Game, Mathison and the Data Warehouse (Challenge), Greedy Candidates, Strings and Graphs
September Challenge 2017
Sereja and Functions (Challenge), 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, (Challenge) Connecting computers
November Challenge 2017
Villages and Tribes
December Challenge 2017
Santa Delivering Problem, Chef And his Cake, Penalty Shoot-out, Chef and Hamming Distance of arrays
June Cook-Off 2017
Ada and crayons
July Cook-Off 2017
Chang and Bitwise OR, Chang and the Perfect Function
August Cook-Off 2017
Real obtuse, From heaven to earth
September Cook-Off 2017
Statistics Construction, Subsequence Equality
December Cook-Off 2017
Beautiful Array, Football Match
June Lunchtime 2017
Maximum Unique Segment, Two Numbers
July Lunchtime 2017
Find the Maximum Value
August Lunchtime 2017
Mathison and the Dynamo shuffle, Mathison and pangrams
January Challenge 2018
(Challenge) Chef and Palindromes, K-Concatenation, Maximum Score, Rectangle, String Merging, Partition the numbers
January Cook-Off 2018
Multiple of 3, Survive in ChocoLand
February Challenge 2018
Chef And His Characters, Chef And The Patents, Car-pal Tunnel, (Challenge) Biased Committee, Permutation and Palindrome
February Cook-Off 2018
Chef and Cook-Off, Chef and Tuples, Chef and Line
February Lunchtime 2018
Game with numbers, Jumping in the hills
March Challenge 2018 DIV 1
Chef and Easy Problem, Mix the Colors, Minions and Voting
April Cook-off 2018 Division 1
Binary Nim
April Challenge 2018 Division 1
Chef and Array (Challenge), Cutting Plants, Highway Crossing, Count Good Prefixes
November Challenge 2018 Division 1
Chef, Primes and Trees (Challenge)
October Challenge 2018 Division 2
Appy and Balloons , Minimize Digitsum, Chef and Surprise Chessboard, Chef and Serves, Byte to Bit
August Lunchtime 2018 Division 2
Chef and Problem Setting, Chef and Eid
October Lunchtime 2018 Division 2
Three Friends, Coloring the Grid, Weird Question
February Challenge 2020 Division 1
Chef and Railway Stations, No Change Required, (Challenge) Raisins
June Challenge 2020 Division 1
The Tom and Jerry Game!, Operations on a Tuple, The Delicious Cake, Convenient Airports, Guessing Game, Covid Sampling (Challenge)
August Challenge 2020 Division 1
Smallest KMP, Chef and Wedding Arrangements