ID 题目 显示标签 隐藏标签 AC / 尝试 难度
850 P1828   [Usaco2010 Mar]balloc 农场分配 345 / 784 4
851 P1829   [Usaco2010 Mar]starc星际争霸 66 / 165 5
937 P1914   [Usaco2010 OPen]Triangle Counting 数三角形 235 / 566 5
938 P1915   [Usaco2010 Open]奶牛的跳格子游戏 97 / 317 6
939 P1916   [Usaco2010 Open]冲浪 166 / 369 4
1009 P1986   [USACO2004 Dec] Dividing the Path 划区灌溉 133 / 328 5
1083 P2058   [Usaco2010 Nov]Cow Photographs 118 / 234 3
1085 P2060   [Usaco2010 Nov]Visiting Cows 拜访奶牛 356 / 562 2
1122 P2097   [Usaco2010 Dec]Exercise 奶牛健美操 201 / 550 5
1220 P2196   [Usaco2011 Mar]Brownie Slicing 159 / 296 3
1221 P2197   [Usaco2011 Mar]Tree Decoration 130 / 301 4
1223 P2199   [Usaco2011 Jan]奶牛议会 343 / 689 4
1224 P2200   [Usaco2011 Jan]道路和航线 491 / 2312 7
1303 P2272   [Usaco2011 Feb]Cowlphabet 奶牛文字 107 / 210 3
1304 P2273   [Usaco2011 Feb]The Lost Cows [废题] 0 / 14 10
1305 P2274   [Usaco2011 Feb]Generic Cow Protests 182 / 432 5
1496 P2443   [Usaco2011 Open]奇数度数 22 / 47 4
1498 P2444   [Usaco2011 Open]焊接 18 / 44 5
1556 P2501    [usaco2010 Oct]Soda Machine 191 / 304 2
1644 P2590   [Usaco2012 Feb]Cow Coupons 188 / 421 4
1646 P2591   [Usaco 2012 Feb]Nearby Cows 101 / 189 3
1647 P2592   [Usaco2012 Feb]Symmetry 43 / 120 5
2141 P3010   [Usaco2012 Dec]Gangs of Istanbull 26 / 44 3
2145 P3014   [Usaco2012 Nov]Balanced Trees 16 / 41 5
2180 P3048   [Usaco2013 Jan]Cow Lineup 160 / 282 3
2181 P3049   [Usaco2013 Jan]Island Travels 60 / 160 5
2182 P3050   [Usaco2013 Jan]Seating 119 / 267 4
2193 P3061   [Usaco2013 Feb]Partitioning the Farm 43 / 74 2
2194 P3062   [Usaco2013 Feb]Taxi 63 / 96 1
2195 P3063   [Usaco2013]Route Designing 29 / 52 3
2207 P3074   [Usaco2013 Mar]The Cow Run 80 / 137 2
2208 P3075   [Usaco2013]Necklace 49 / 84 2
2209 P3076   [Usaco2013]Hill Walk 32 / 94 6
2282 P3127   [Usaco2013 Open]Yin and Yang 102 / 179 3
2283 P3128   [Usaco2013 Open]Figure Eight 51 / 113 4
2498 P3310   [Usaco2013 Nov]Empty Stalls 90 / 161 3
2499 P3311   [Usaco2013 Nov]Line of Sight 55 / 120 4
2500 P3312   [Usaco2013 Nov]No Change 150 / 290 3
2574 P3384   [Usaco2004 Nov]Apple Catching 接苹果 89 / 132 1
2575 P3385   [Usaco2004 Nov]Lake Counting 数池塘 67 / 87 1
2576 P3386   [Usaco2004 Nov]Til the Cows Come Home 带奶牛回家 75 / 174 4
2577 P3387   [Usaco2004 Dec]Fence Obstacle Course栅栏行动 80 / 213 5
2578 P3388   [Usaco2004 Dec]Cow Ski Area雪场缆车 42 / 121 5
2585 P3395   [Usaco2006 Feb]Cellphones 手机 9 / 27 7
2597 P3406   [Usaco2009 Oct]Invasion of the Milkweed 乳草的入侵 121 / 243 4
2598 P3407   [Usaco2009 Oct]Bessie's Weight Problem 贝茜的体重问题 166 / 224 1
2599 P3408   [Usaco2009 Oct]Heat Wave 热浪 237 / 383 2
2600 P3409   [Usaco2009 Oct]Barn Echoes 牛棚回声 125 / 174 1
2477 P3428   [Usaco2014 Jan]Cow Curling 42 / 129 6
2623 P3429   [Usaco2014 Jan]Building a Ski Course 23 / 43 3
2624 P3430   [Usaco2014 Jan]Ski Course Rating 78 / 145 3
2645 P3445   [Usaco2014 Feb] Roadblock 138 / 243 3
2646 P3446   [Usaco2014 Feb]Cow Decathlon 73 / 134 3
2647 P3447   [Usaco2014 Feb]Airplane Boarding 16 / 31 4
2688 P3476   [Usaco2014 Mar]The Lazy Cow 47 / 99 4
2689 P3477   [Usaco2014 Mar]Sabotage 134 / 290 4
2690 P3478   [Usaco2014 Mar]Counting Friends 58 / 102 3
2745 P3535   [Usaco2014 Open]Fair Photography 52 / 213 7
2746 P3536   [Usaco2014 Open]Cow Optics 11 / 19 6
3026 P3824   [Usaco2014 Dec]Guard Mark 88 / 181 4
3145 P3939   [Usaco2015 Feb]Cow Hopscotch 136 / 421 6
3147 P3941   [Usaco2015 Feb]Fencing the Herd 28 / 130 7
3300 P4093   [Usaco2013 Dec]Vacation Planning 73 / 183 5
3301 P4094   [Usaco2013 Dec]Optimal Milking 128 / 211 2
3303 P4095   [Usaco2013 Dec]The Bessie Shuffle 22 / 45 4
3305 P4098   [Usaco2015 Open]Palindromic Paths 97 / 171 3
3306 P4099   [Usaco2015 Open]Trapped in the Haybales 48 / 93 3
3746 P4509   [Usaco2016 Jan]Angry Cows 49 / 110 4
3747 P4510   [Usaco2016 Jan]Radio Contact 62 / 93 1
3681 P4578   [Usaco2016 OPen]Splitting the Field 49 / 118 5
3682 P4579   [Usaco2016 Open]Closing the Farm 104 / 231 4
3865 P4745   [Usaco2016 Dec]Cow Checklist 51 / 78 2
3866 P4746   [Usaco2016 Dec]Lasers and Mirrors 50 / 125 5
3879 P4759   [Usaco2017 Jan]Balanced Photo 133 / 167 1
3881 P4761   [Usaco2017 Jan]Cow Navigation 50 / 119 5
3896 P4779   [Usaco2017 Open]Bovine Genomics 59 / 132 4
3897 P4780   [Usaco2017 Open]Modern Art 2 52 / 87 2
4091 P4992   [Usaco2017 Feb]Why Did the Cow Cross the Road 153 / 322 4
4092 P4993   [Usaco2017 Feb]Why Did the Cow Cross the Road II 159 / 258 2
4093 P4994   [Usaco2017 Feb]Why Did the Cow Cross the Road III 181 / 249 1
4212 P5140   [Usaco2017 Dec]A Pie for a Pie 60 / 176 6
4213 P5141   [Usaco2017 Dec]Barn Painting 92 / 159 2
4214 P5142   [Usaco2017 Dec]Haybale Feast 127 / 249 3
2255 P5188   [Usaco2018 Jan]MooTube 72 / 107 1
2256 P5189   [Usaco2018 Jan]Cow at Large 47 / 69 1
2257 P5190   [Usaco2018 Jan]Stamp Painting 62 / 108 3
2261 P5194   [Usaco2018 Feb]Snow Boots 103 / 151 1
2262 P5195   [Usaco2018 Feb]Directory Traversal 44 / 57 1
2263 P5196   [Usaco2018 Feb]Taming the Herd 75 / 92 1
4316 P5278   [Usaco2018 Open]Out of Sorts 77 / 127 2
4318 P5280   [Usaco2018 Open]Milking Order 85 / 169 3
4489 P5486   [Usaco2018 Dec]Fine Dining 49 / 109 4
4491 P5488   [Usaco2018 Dec]Teamwork 58 / 116 4
4561 P5558   [Usaco2019 Open]Balancing Inversions 2 / 2 10
4562 P5559   [Usaco2019 Open]Snakes 5 / 5 10
4563 P5560   [Usaco2019 Open] I Would Walk 500 Miles 5 / 8 10
2031 P5564   [USACO 2011 Nov] Cow Steeplechase 7 / 12 9
4569 P5568   [usaco2020 Open]exercise 3 / 3 10
4570 P5569   [Usaco2020 Open]Favorite Colors 2 / 6 10
4571 P5570   [Usaco2020 Open]Haircut 3 / 3 10

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