ID 题目 显示标签 隐藏标签 AC / 尝试 难度
2689 P3477   [Usaco2014 Mar]Sabotage 134 / 290 4
2690 P3478   [Usaco2014 Mar]Counting Friends 58 / 102 4
2745 P3535   [Usaco2014 Open]Fair Photography 52 / 213 6
2746 P3536   [Usaco2014 Open]Cow Optics 11 / 19 6
3026 P3824   [Usaco2014 Dec]Guard Mark 88 / 181 5
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 4
3301 P4094   [Usaco2013 Dec]Optimal Milking 128 / 211 5
3303 P4095   [Usaco2013 Dec]The Bessie Shuffle 22 / 45 6
3305 P4098   [Usaco2015 Open]Palindromic Paths 97 / 171 5
3306 P4099   [Usaco2015 Open]Trapped in the Haybales 48 / 93 5
3746 P4509   [Usaco2016 Jan]Angry Cows 49 / 112 6
3747 P4510   [Usaco2016 Jan]Radio Contact 62 / 93 4
3681 P4578   [Usaco2016 OPen]Splitting the Field 49 / 118 4
3682 P4579   [Usaco2016 Open]Closing the Farm 104 / 231 4
3865 P4745   [Usaco2016 Dec]Cow Checklist 51 / 78 4
3866 P4746   [Usaco2016 Dec]Lasers and Mirrors 50 / 125 4
3879 P4759   [Usaco2017 Jan]Balanced Photo 133 / 167 4
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 4
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 5
4093 P4994   [Usaco2017 Feb]Why Did the Cow Cross the Road III 181 / 249 4
4213 P5141   [Usaco2017 Dec]Barn Painting 92 / 159 4
2255 P5188   [Usaco2018 Jan]MooTube 72 / 107 4
2256 P5189   [Usaco2018 Jan]Cow at Large 47 / 69 4
2257 P5190   [Usaco2018 Jan]Stamp Painting 62 / 108 4
2261 P5194   [Usaco2018 Feb]Snow Boots 103 / 151 4
2262 P5195   [Usaco2018 Feb]Directory Traversal 44 / 57 5
2263 P5196   [Usaco2018 Feb]Taming the Herd 75 / 92 4
4316 P5278   [Usaco2018 Open]Out of Sorts 77 / 127 5
4318 P5280   [Usaco2018 Open]Milking Order 85 / 169 5
4489 P5486   [Usaco2018 Dec]Fine Dining 49 / 109 5
4491 P5488   [Usaco2018 Dec]Teamwork 58 / 116 4
4561 P5558   [Usaco2019 Open]Balancing Inversions 2 / 2 6
4562 P5559   [Usaco2019 Open]Snakes 5 / 5 4
4563 P5560   [Usaco2019 Open] I Would Walk 500 Miles 5 / 8 4
2031 P5564   [USACO 2011 Nov] Cow Steeplechase 7 / 14 6
4569 P5568   [usaco2020 Open]exercise 3 / 3 6
4570 P5569   [Usaco2020 Open]Favorite Colors 2 / 6 6
4571 P5570   [Usaco2020 Open]Haircut 3 / 3 5
4578 P5577   [Usaco2020 Feb]Timeline 2 / 3 4
4579 P5578   [Usaco2020 Feb]Help Yourself 2 / 9 5

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