Volume 120 (12,000-12,099)

Problem ID Title Solution by Most Popular Input by
12000 K-Transformed Permutations
12001 UVa Panel Discussion
12002 Happy Birthday
12003 Array Transformer
12004 Bubble Sort
12005 Find Solutions
12006 Paint Brush
12007 Crossboard Coloring
12008 Emotional Bishop
12009 Avaricious Maryanna
12010 Boring Homework
12011 Complete the Set
12012 Detection of Extraterrestrial
12013 Entertainment
12014 Fudan Extracurricular Lives
12015 Google is Feeling Lucky
12016 Herbicide
12017 Imitation
12018 Juice Extractor
12019 Doom's Day Algorithm
12020 The Election Day
12021 Universal Elections
12022 Ordering T-Shirts
12023 Escher and Tessellations
12024 Hats
12025 Wrong Keys
12026 Radars
12027 Very Big Perfect Squares
12028 A Gift from the Setter
12029 Flying Spaceships
12030 Help the Winners
12031 Summation of Four Squares
12032 The Monkey and the Oiled Bamboo
12033 Game of CS
12034 Race
12035 War Map
12036 Stable Grid
12037 Musical Chair
12038 Batting Practice
12039 Goldbach's Cardinality
12040 Again Lucky Numbers
12041 BFS (Binary Fibonacci String)
12042 Colorful Eggs
12043 Divisors (2)
12044 Extreme Divisors
12045 Fun with Strings
12046 Great Numbers
12047 Highest Paid Toll
12048 Inhabitants
12049 Just Prune the List
12050 Palindrome Numbers
12051 Mazes in Higher Dimensions
12052 Cyber cafe
12053 Unbreakable Floor
12054 Find the Project
12055 Strange Research
12056 Circle Strafing
12057 Prefix Codes
12058 Highway Monitor
12059 Volume Measurement
12060 All Integer Average
12061 Overlaying Maps
12062 Reverse Assignment
12063 Zeros and Ones (2)
12064 Count the Points Inside
12065 Permutation Primes
12066 The Fairy Tale of ICPC
12067 Guinea Rats
12068 Harmonic Mean
12069 Robots Inside the Labyrinth
12070 Invite Your Friends
12071 Understanding Recursion
12072 Matrissor
12073 Altitude Triangle
12074 The Ultimate Bamboo Eater
12075 Counting Triangles (1)
12076 Unequalled Consumption
12077 Declaration of Content
12078 Laserbox
12079 Bowlstack
12080 Pesky Heroes
12081 Reduced ID Numbers
12082 Tantrix
12083 Guardian of Decency
12084 Up the Stairs
12085 Mobile Casanova
12086 Potentiometers
12087 Collecting Marbles
12088 Expression (2)
12089 The Luncheon
12090 Counting Zeroes
12091 Multiplication
12092 Paint the Roads
12093 Protecting Zonk
12094 Battle of the Triangle
12095 Sudoku (2)
12096 The SetStack Computer
12097 Pie
12098 Ticket to Ride
12099 The Bookcase