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USACO
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]
ID
Title
Ratio(AC/All)
Difficulty
Uploader
2804
Even? Odd?
字符串
76%(
1413
/
1865
)
114
crq
3285
Who's in the Middle
排序
39%(
338
/
863
)
924
wuhongliang
1591
Message Decoding
字符串
64%(
342
/
533
)
969
crq
3519
Number Triangles
基础DP
57%(
374
/
652
)
790
wuhongliang
1590
Herd Sums
简单数学
71%(
316
/
442
)
1140
crq
3881
Hay Bales
一维数组
77%(
251
/
326
)
1240
crq
3309
Your Ride Is Here
字符串
54%(
219
/
403
)
1731
wuhongliang
2962
Cow Pinball
基础DP
85%(
217
/
254
)
1846
crq
1633
Moo Volume
递推
30%(
220
/
731
)
2444
crq
3197
Agri-Net
并查集
74%(
228
/
310
)
2012
crq
1632
Sumsets
基础DP
递推
45%(
293
/
650
)
1627
crq
1618
Cow Bowling
动态规划
66%(
190
/
287
)
2288
crq
1707
Catch That Cow
广搜
30%(
279
/
934
)
1755
crq
3432
Meteor Shower
广搜
31%(
196
/
632
)
3070
crq
1584
Vertical Histogram
桶排序
23%(
203
/
898
)
2122
crq
1649
Max Factor
素数
42%(
149
/
357
)
3433
crq
3431
Bad Grass
广搜
37%(
145
/
392
)
3622
crq
1612
Cube Stacking
并查集
37%(
159
/
426
)
3979
crq
2590
Hay For Sale
背包
43%(
172
/
403
)
3021
crq
3835
Crop Circles
71%(
79
/
111
)
5824
crq
2811
Bessie's Weight Problem
背包
62%(
136
/
220
)
4157
crq
4085
Drainage Ditches
网络流
58%(
219
/
379
)
3291
crq
4679
Building Roads
31%(
107
/
346
)
5020
crq
1703
Monthly Expense
二分
43%(
140
/
329
)
3591
crq
1637
Checking an Alibi
最短路
40%(
154
/
388
)
5088
crq
3887
二元多项式求和
模拟
40%(
849
/
2139
)
200
crq
1648
Bovine Birthday
46%(
91
/
198
)
7214
crq
4678
Charm Bracelet
01背包
49%(
172
/
351
)
1906
crq
1562
Calf Numbers
28%(
80
/
285
)
7759
crq
2589
Hay Expenses
83%(
91
/
109
)
5830
crq
3850
String Function Encoding
字符串
46%(
73
/
160
)
7634
crq
3834
Space Exploration
31%(
98
/
314
)
5433
crq
1638
Out of Hay
并查集
45%(
123
/
274
)
4893
crq
4587
抓苹果
动态规划
57%(
106
/
186
)
4013
logx
1568
Wiggle Numbers
40%(
74
/
185
)
9779
crq
3891
Contest Timing
60%(
56
/
94
)
9799
crq
5103
Electric Fence
Pick定理
42%(
117
/
276
)
3106
crq
1597
Lost Cows
二分
树状数组
63%(
117
/
187
)
5592
crq
1698
Balanced Lineup
线段树
RMQ
68%(
141
/
208
)
5979
crq
1570
Cow Brainiacs
数论
58%(
60
/
104
)
10354
crq
3845
A spiral walk
29%(
47
/
163
)
12482
crq
3520
Prime Palindromes
数论
31%(
78
/
254
)
7994
wuhongliang
1563
Hide and Seek
33%(
60
/
184
)
11849
crq
3873
Times17
43%(
98
/
228
)
4758
crq
2588
结构体与联合体
联合体
54%(
78
/
145
)
8464
crq
1640
Asteroids
二分图
56%(
73
/
130
)
9241
crq
1683
Fence Repair
优先队列
贪心
38%(
147
/
382
)
3588
crq
3429
Best Cow Line
贪心
16%(
76
/
467
)
10564
crq
1596
Jumping Cows
56%(
85
/
152
)
8555
crq
1693
Silver Cow Party
最短路
51%(
74
/
144
)
9241
crq
1636
Yogurt factory
贪心
50%(
90
/
180
)
6327
crq
3308
Greedy Gift Givers
34%(
52
/
152
)
11950
wuhongliang
2613
The Perfect Cow
64%(
56
/
87
)
11530
crq
3521
Superprime Rib
深搜
59%(
117
/
197
)
4521
wuhongliang
3560
Ordered Fractions
56%(
73
/
131
)
7649
wuhongliang
5112
Fencing the Cows
凸包
50%(
41
/
82
)
11500
crq
1603
Bad Cowtractors
最大生成树
43%(
91
/
210
)
6608
crq
1705
Dining
53%(
62
/
117
)
12503
crq
3318
Dual Palindromes
41%(
54
/
131
)
12714
wuhongliang
4075
Cows in a Row
48%(
47
/
97
)
16400
crq
1704
Cheapest Palindrome
区间DP
56%(
62
/
111
)
11362
crq
1626
Aggressive cows
贪心
二分
53%(
147
/
275
)
4109
crq
3863
Moo
39%(
43
/
110
)
17092
crq
3427
Making Money
33%(
57
/
175
)
10564
crq
3311
挤牛奶
贪心
28%(
57
/
206
)
11058
wuhongliang
5106
The Perfect Stall
54%(
30
/
56
)
18540
crq
3426
Cow Cotillion
49%(
41
/
83
)
18424
crq
1602
Cleaning Shifts
35%(
54
/
156
)
15333
crq
2805
The Robot Plow
76%(
51
/
67
)
13848
crq
3829
Profits
49%(
41
/
84
)
17743
crq
1697
Tallest Cow
差分
48%(
94
/
195
)
7475
crq
1567
Life Cycle
38%(
51
/
136
)
19047
crq
3430
The Trough Game
51%(
43
/
84
)
20518
crq
1666
River Hopscotch
二分
45%(
48
/
106
)
11605
crq
5098
Sweet Butter
48%(
78
/
161
)
7506
crq
1644
Cow Acrobats
贪心
36%(
52
/
146
)
13949
crq
3319
Mixing Milk
贪心
52%(
43
/
83
)
13619
wuhongliang
1661
Wormholes
负环
最短路
41%(
96
/
235
)
7812
crq
1690
Cow Sorting
贪心
置换群
28%(
55
/
198
)
11869
crq
3847
Mowing the Lawn
单调队列DP
35%(
51
/
146
)
17122
crq
3351
Cow Contest
43%(
61
/
141
)
19234
baiyuang
5114
Musical Themes
28%(
25
/
88
)
27567
crq
5101
A Game
75%(
21
/
28
)
22436
crq
3842
Bovine Bridge Battle
39%(
32
/
82
)
24185
crq
3856
Gifts
26%(
32
/
125
)
25200
crq
1576
Friday the Thirteenth
70%(
35
/
50
)
21764
crq
1686
Bad Hair Day
49%(
38
/
77
)
20505
crq
2809
Invasion of the Milkweed
26%(
33
/
129
)
25110
crq
5097
Magic Squares
康托展开
广搜
27%(
32
/
117
)
14963
crq
1557
BUY LOW, BUY LOWER
38%(
49
/
129
)
21098
crq
1589
Six Degrees of Cowvin Bacon
最短路
49%(
27
/
55
)
21260
crq
1555
Chores
46%(
43
/
93
)
23558
crq
4535
Riding the Fences
34%(
30
/
88
)
25660
randygx
1684
Corn Fields
状压DP
66%(
78
/
118
)
9327
crq
2581
Buying Hay
31%(
31
/
101
)
26807
crq
5118
Network of Schools
60%(
26
/
43
)
19344
crq
1635
Space Elevator
49%(
38
/
78
)
26069
crq
3326
Barn Repair
贪心
47%(
47
/
100
)
16656
wuhongliang
3310
Broken Necklace
45%(
33
/
74
)
24462
wuhongliang
3559
Longest Prefix
字典树
36%(
26
/
72
)
30375
wuhongliang
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