ID 题目 显示标签 隐藏标签 AC / 尝试 难度
112 USACO111  Your Ride Is Here 2 / 3 10
110 USACO122  Transformations 0 / 0 (无)
57 USACO123  Name That Number 0 / 0 (无)
65 USACO124  Palindromic Squares 0 / 0 (无)
71 USACO125  Dual Palindromes 0 / 0 (无)
78 USACO131  Mixing Milk 0 / 0 (无)
13 USACO132  Barn Repair 0 / 0 (无)
36 USACO133  Calf Flac 0 / 0 (无)
98 USACO134  Prime Cryptarithm 0 / 0 (无)
106 USACO141  Packing Rectangles 0 / 0 (无)
111 USACO142  The Clocks 0 / 0 (无)
2 USACO143  Arithmetic Progressions 0 / 0 (无)
48 USACO144  Mother's Milk 0 / 0 (无)
54 USACO151  Number Triangles 0 / 0 (无)
56 USACO152  Prime Palindromes 0 / 0 (无)
117 USACO153  Superprime Rib 0 / 0 (无)
26 USACO154  Checker Challenge 0 / 0 (无)
118 USACO211  The Castle 0 / 0 (无)
58 USACO212  Ordered Fractions 0 / 0 (无)
61 USACO213  Sorting a Three-Valued Sequence 0 / 0 (无)
63 USACO214  Healthy Holsteins 0 / 0 (无)
64 USACO215  Hamming Codes 0 / 0 (无)
66 USACO221  Preface Numbering 0 / 0 (无)
122 USACO222  Subset Sums 0 / 0 (无)
67 USACO223  Runaround Numbers 0 / 0 (无)
68 USACO224  Party Lamps 0 / 0 (无)
69 USACO231  Longest Prefix 0 / 0 (无)
29 USACO232  Cow Pedigrees 0 / 0 (无)
123 USACO233  Zero Sum 0 / 0 (无)
70 USACO234  Money Systems 0 / 0 (无)
30 USACO235  Controlling Companies 0 / 0 (无)
124 USACO241  The Tamworth Two 0 / 0 (无)
72 USACO242  Overfencing 0 / 0 (无)
31 USACO243  Cow Tours 0 / 0 (无)
12 USACO244  Bessie Come Home 0 / 0 (无)
73 USACO245  Fractions to Decimals 0 / 0 (无)
4 USACO311  Agri-Net 0 / 0 (无)
74 USACO312  Score Inflation 0 / 0 (无)
75 USACO313  Humble Numbers 0 / 0 (无)
76 USACO314  Shaping Regions 0 / 0 (无)
32 USACO315  Contact 0 / 0 (无)
77 USACO316  Stamps 0 / 0 (无)
79 USACO321  Factorials 0 / 0 (无)
80 USACO322  Stringsobits 0 / 0 (无)
81 USACO323  Spinning Wheels 0 / 0 (无)
82 USACO324  Feed Ratios 0 / 0 (无)
83 USACO325  Magic Squares 0 / 0 (无)
125 USACO326  Sweet Butter 0 / 0 (无)
84 USACO331  Riding the Fences 0 / 0 (无)
85 USACO332  Shopping Offers 0 / 0 (无)
33 USACO333  Camelot 0 / 0 (无)
86 USACO334  Home on the Range 0 / 0 (无)
5 USACO335  A Game 0 / 0 (无)
34 USACO341  Closed Fences 0 / 0 (无)
6 USACO342  American Heritage 0 / 0 (无)
87 USACO343  Electric Fence 0 / 0 (无)
88 USACO344  Raucous Rockers 0 / 0 (无)
14 USACO411  Beef McNuggets 0 / 0 (无)
89 USACO412  Fence Rails 0 / 0 (无)
90 USACO413  Fence Loops 0 / 0 (无)
35 USACO414  Cryptcowgraphy 0 / 0 (无)
91 USACO421  Drainage Ditches 0 / 0 (无)
126 USACO422  The Perfect Stall 0 / 0 (无)
92 USACO423  Job Processing 0 / 0 (无)
37 USACO424  Cowcycles 0 / 0 (无)
15 USACO431  Buy Low, Buy Lower 0 / 0 (无)
127 USACO432  The Primes 0 / 0 (无)
93 USACO433  Street Race 0 / 0 (无)
94 USACO434  Letter Game 0 / 0 (无)
95 USACO441  Shuttle Puzzle 0 / 0 (无)
96 USACO442  Pollutant Control 0 / 0 (无)
97 USACO443  Frame Up 0 / 0 (无)
99 USACO511  Fencing the Cows 0 / 0 (无)
100 USACO512  Starry Night 0 / 0 (无)
101 USACO513  Musical Themes 0 / 0 (无)
102 USACO521  Snail Trails 0 / 0 (无)
103 USACO522  Electric Fences 0 / 0 (无)
128 USACO523  Wisconsin Squares 0 / 0 (无)
104 USACO531  Milk Measuring 0 / 0 (无)
129 USACO532  Window Area 0 / 0 (无)
105 USACO533  Network of Schools 0 / 0 (无)
16 USACO534  Big Barn 0 / 0 (无)
7 USACO541  All Latin Squares 0 / 0 (无)
38 USACO542  Canada Tour 0 / 0 (无)
39 USACO543  Character Recognition 0 / 0 (无)
17 USACO544  Betsy's Tour 0 / 0 (无)
130 USACO545  Telecowmunication 0 / 0 (无)
107 USACO551  Picture 0 / 0 (无)
108 USACO552  Hidden Password 0 / 0 (无)
131 USACO553  Towfive 0 / 0 (无)
109 USACO611  Postal Vans 0 / 0 (无)
8 USACO612  A Rectangular Barn 0 / 0 (无)
18 USACO613  Cow XOR 0 / 0 (无)
1 USACOC1111A  Above the Median 0 / 0 (无)
10 USACOC1111B  Binary Sudoku 0 / 0 (无)
19 USACOC1111C  Cow Steeplechase 0 / 0 (无)
119 USACOC1911A  重新分区 0 / 0 (无)
120 USACOC1911B  晨跑路线 0 / 0 (无)
121 USACOC1911C  列车追踪 0 / 0 (无)
27 USACOC1912A  Cow Poetry 0 / 0 (无)

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