USACO数据及题解

代码请移步Github站点 https://github.com/cloudzfy/usaco

Chapter 1 Getting Started
Section 1.1
Your Ride Is Here
Greedy Gift Givers
Friday the Thirteenth
Broken Necklace

Section 1.2
Milking Cows
Transformations
Name That Number
Palindromic Squares
Dual Palindromes

Section 1.3
Mixing Milk
Barn Repair
Prime Cryptarithm
Combination Lock
Wormholes
Ski Course Design

Section 1.4
Arithmetic Progressions
Mother's Milk

Section 1.5
Number Triangles
Prime Palindromes
SuperPrime Rib

Chapter 2 Bigger Challenges
Section 2.1
The Castle
Ordered Fractions
Sorting A Three-Valued Sequence
Healthy Holsteins
Hamming Codes

Section 2.2
Preface Numbering
Subset Sums
Runaround Numbers
Party Lamps

Section 2.3
The Longest Prefix
Cow Pedigrees
Zero Sum
Money Systems
Controlling Companies

Section 2.4
The Tamworth Two
Overfencing
Cow Tours
Bessie Come Home
Fractions to Decimals

Chapter 3 Techniques More Subtle
Section 3.1
Agri-Net
Score Inflation
Humble Numbers
Contact
Stamps

Section 3.2
Factorials
Stringsobits
Spinning Wheels
Feed Ratios
Magic Squares
Sweet Butter

Section 3.3
Riding The Fences
Shopping Offers
Camelot
Home on the Range
A Game

Section 3.4
American Heritage
Electric Fence
Raucous Rockers

Chapter 4 Advanced Algorithms and Difficult Drills
Section 4.1
Beef McNuggets
Fence Loops

Section 4.2
Drainage Ditches
The Perfect Stall
Job Processing

Section 4.3
Buy Low, Buy Lower
Street Race
Letter Game

Section 4.4
Shuttle Puzzle
Pollutant Control
Frame Up

Chapter 5 Serious Challenges
Section 5.1
Fencing the Cows
Starry Night
Musical Themes

Section 5.2
Snail Trail

Section 5.3
Milk Measuring
Window Area
Network of Schools
Big Barn

Section 5.4
Canada Tour
Character Recognition
TeleCowmunication

Section 5.5
Picture
Hidden Passwords
Two Five

Chapter 6 Contest Practice
Section 6.1
Postal Vans
A Rectangular Barn
Cow XOR

Section 6.2
Calf Flac
Packing Rectangles
Shaping Regions

Section 6.3
Fence Rails
Cryptcowgraphy
Cowcycles

Section 6.4
The Primes
Electric Fences
Wisconsin Squares

Section 6.5
All Latin Squares
Closed Fences
Betsy's Tour
The Clocks
Checker Challenge