ID 题目 显示标签 隐藏标签 AC / 尝试 难度
1193 luogu#P2237  [USACO14FEB] Auto-complete S 0 / 0 4
1237 luogu#P2285  [HNOI2004] 打鼹鼠 4 / 5 3
1250 luogu#P2299  Mzc和体委的争夺战 0 / 0 3
1268 luogu#P2317  [HNOI2005] 星际贸易 1 / 1 6
1320 luogu#P2371  [国家集训队] 墨墨的等式 2 / 9 6
1355 luogu#P2407  [SDOI2009] 地图复原 0 / 0 5
1358 luogu#P2410  [SDOI2009] 最优图像 1 / 21 6
1394 luogu#P2446  [SDOI2010] 大陆争霸 0 / 7 6
1431 luogu#P2483  【模板】k 短路 / [SDOI2010] 魔法猪学院 2 / 3 7
1453 luogu#P2505  [HAOI2012] 道路 0 / 0 6
1485 luogu#P2537  [AHOI2005] 穿越磁场 0 / 0 6
1802 luogu#P2865  [USACO06NOV] Roadblocks G 0 / 0 5
1805 luogu#P2868  [USACO07DEC] Sightseeing Cows G 1 / 1 6
1813 luogu#P2876  [USACO07JAN] Problem Solving G 0 / 0 5
1822 luogu#P2885  [USACO07NOV] Telephone Wire G 0 / 0 5
1823 luogu#P2886  [USACO07NOV] Cow Relays G 2 / 5 5
1825 luogu#P2888  [USACO07NOV] Cow Hurdles S 0 / 1 3
1847 luogu#P2910  [USACO08OPEN] Clear And Present Danger S 1 / 3 3
1870 luogu#P2934  [USACO09JAN] Safe Travel G 0 / 0 6
1873 luogu#P2937  [USACO09JAN] Laserphones S 0 / 0 4
1874 luogu#P2938  [USACO09FEB] Stock Market G 0 / 0 4
1875 luogu#P2939  [USACO09FEB] Revamping Trails G 2 / 4 5
1887 luogu#P2951  [USACO09OPEN] Hide and Seek S 1 / 1 3
1902 luogu#P2966  [USACO09DEC] Cow Toll Paths G 0 / 1 5
1920 luogu#P2984  [USACO10FEB] Chocolate Giving S 0 / 0 3
1939 luogu#P3003  [USACO10DEC] Apple Delivery S 0 / 0 3
1942 luogu#P3006  [USACO11JAN] Bottleneck G 1 / 1 6
1989 luogu#P3053  [USACO12OPEN] Unlocking Blocks S 0 / 0 5
1999 luogu#P3063  [USACO12DEC] Milk Routing S 0 / 3 4
2038 luogu#P3102  [USACO14FEB] Secret Code S 0 / 0 5
2042 luogu#P3106  [USACO14OPEN] Dueling GPSs S 1 / 1 5
2046 luogu#P3110  [USACO14DEC] Piggy Back S 0 / 0 5
2051 luogu#P3115  [USACO15JAN] Cow Routing S 1 / 1 5
2107 luogu#P3171  [CQOI2015] 网络吞吐量 1 / 1 6
2174 luogu#P3238  [HNOI2014] 道路堵塞 2 / 5 7
2195 luogu#P3259  [JLOI2014] 路径规划 1 / 1 6
2211 luogu#P3275  [SCOI2011] 糖果 6 / 23 5
2286 luogu#P3350  [ZJOI2016] 旅行者 1 / 1 6
2307 luogu#P3371  【模板】单源最短路径(弱化版) 23 / 131 3
2329 luogu#P3393  逃离僵尸岛 0 / 0 5
2353 luogu#P3418  [POI2005] PUN-Points 0 / 0 6
2386 luogu#P3451  [POI2007] ATR-Tourist Attractions 2 / 12 6
2565 luogu#P3632  [APIO2011] 寻路 0 / 2 6
2573 luogu#P3640  [APIO2013] 出题人 0 / 0 6
2578 luogu#P3645  [APIO2015] 雅加达的摩天楼 0 / 3 6
2592 luogu#P3659  [USACO17FEB] Why Did the Cow Cross the Road I G 0 / 0 5
2649 luogu#P3716  [CTSC2000] 冰原探险 1 / 1 5
2653 luogu#P3720  [AHOI2017初中组] guide 0 / 0 5
2658 luogu#P3725  [AH2017/HNOI2017] 队长快跑 0 / 2 7
2719 luogu#P3786  萃香抱西瓜 0 / 0 5

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根据当前过滤条件随机选择一道题