176 道题

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ID 题目 显示标签 隐藏标签 AC / 尝试 难度
1024 AW101   [USACO07JAN] Tallest Cow S 1 / 1 3
1025 AW102   [USACO03MAR] Best Cow Fences G 1 / 1 3
1034 AW110   [USACO07NOV] Sunscreen G 1 / 1 3
1035 AW111   [USACO06FEB] Stall Reservations S 1 / 1 3
1044 AW121   [USACO06JAN] Corral the Cows G 1 / 1 4
1048 AW125   [USACO05NOV] 奶牛玩杂技 1 / 1 3
1083 AW159    [USACO03FALL] Milking Grid 1 / 1 4
1113 AW188   [USACO09NOV] The Chivalrous Cow B 1 / 1 2
1114 AW189   [USACO09OCT] Invasion of the Milkweed G 1 / 1 3
1118 AW193   [USACO02FEB] Power Hungry Cows 1 / 1 5
1169 AW244   [USACO03OPEN] Lost Cows 1 / 1 2
1187 AW261   [USACO08FEB] Hotel G 1 / 1 5
1188 AW262   [IOI 1998 / USACO5.5.1] 矩形周长 Picture 1 / 1 5
1199 AW273   [USACO08FEB] Making the Grade G 1 / 1 5
1214 AW288   [USACO05JAN] Naptime G 1 / 1 4
1222 AW295   [USACO04DEC] Cleaning Shifts S 1 / 1 4
1223 AW296   [USACO05DEC] Cleaning Shifts S 1 / 1 5
1242 AW314   [USACO4.3.1] 逢低吸纳 Buy Low, Buy Lower 1 / 1 4
1255 AW327   [USACO06NOV] Corn Fields G 1 / 1 5
1257 AW329   Fence Obstacle Course 1 / 1 5
1259 AW331   [USACO09OPEN] Tower of Hay G 1 / 1 6
1269 AW339   [USACO06NOV] Round Numbers S 1 / 1 5
1270 AW340   [USACO08JAN] Telephone Lines S 1 / 2 4
1272 AW342   [USACO11JAN] Roads and Planes G 1 / 1 5
1275 AW345   [USACO07NOV] Cow Relays G 1 / 2 4
1291 AW361   [USACO07DEC] Sightseeing Cows G 1 / 1 5
1297 AW366   [USACO05JAN] Watchcow S 1 / 1 4
1298 AW367   [IOI 1996 / USACO5.3.4] 校园网 Network of Schools 1 / 1 4
1308 AW377   [USACO05JAN] Muddy Fields G 1 / 1 6
1326 AW395   [USACO06JAN] Redundant Paths G 1 / 1 5
1343 AW412   [USACO4.2.1] 草地排水 Drainage Ditches 1 / 1 5
960 J0054   【深基4.例14】[USACO1.5] 回文质数 Prime Palindromes 1 / 1 2
982 J0074   【深基5.习1】梦中的统计 0 / 0 1
985 J0077   【深基5.习4】[USACO08OCT] Bovine Bones G 0 / 0 1
993 J0084   【深基5.习11】[USACO1.2] 方块转换 Transformations 0 / 0 3
1007 J0097   【深基6.习6】[USACO1.1.1] 你的飞碟在这儿 Your Ride Is Here 1 / 1 1
910 J0111   【深基7.习5】[USACO1.5] 回文质数 Prime Palindromes 0 / 0 2
1971 P1113   [USACO02FEB] 杂务 1 / 3 3
1387 P1134   [USACO3.2.1] 阶乘问题 1 / 1 3
1344 P1201   [USACO1.1.2] 贪婪的送礼者 Greedy Gift Givers 1 / 1 2
1345 P1202    [USACO1.1.3] 黑色星期五 Friday the Thirteenth 1 / 4 2
1346 P1203   [IOI 1993 / USACO1.1.4] 坏掉的项链 Broken Necklace 1 / 1 2
1347 P1204   [USACO1.2.1] 挤牛奶 Milking Cows 1 / 1 2
1348 P1205   [USACO1.2.2] 方块转换 Transformations 1 / 1 3
1350 P1206    [USACO1.2.4] 回文平方数 Palindromic Squares 1 / 1 2
1351 P1207   [USACO1.2.5] 双重回文数 Dual Palindromes 1 / 1 2
1352 P1208   [USACO1.3.1] 混合牛奶 Mixing Milk 1 / 1 2
1353 P1209   [USACO1.3.2] 修理牛棚 Barn Repair 1 / 1 3
1354 P1211   [USACO1.3.3] 牛式 Prime Cryptarithm 1 / 1 2
1425 P1212   [USACO6.2.2] 铺放矩形块 Packing Rectangles 1 / 1 4
1435 P1213   [IOI 1994 / USACO6.5.4] 时钟 The Clocks 1 / 1 4
1358 P1214   [USACO1.4.1] 等差数列 Arithmetic Progressions 1 / 1 2
1359 P1215    [USACO1.4.2] 母亲的牛奶 Mother's Milk 1 / 2 3
1360 P1216   [IOI 1994 / USACO1.5.1] 数字三角形 Number Triangles 1 / 1 2
1361 P1217    [USACO1.5.2] 回文质数 Prime Palindromes 1 / 1 2
1362 P1218   [USACO1.5.3] 特殊的质数肋骨 Superprime Rib 1 / 1 2
1436 P1219   [USACO 6.5.5] 八皇后 Checker Challenge 1 / 1 3
1406 P1344   [USACO4.4.1] 追查坏牛奶 Pollutant Control 1 / 6 6
1416 P1345   [USACO5.4.1] 奶牛的电信 Telecowmunication 1 / 2 5
1356 P1444   [USACO1.3.5] 虫洞 wormhole 1 / 2 3
1363 P1457   [USACO2.1.1] 城堡 The Castle 1 / 1 3
1364 P1458   [USACO2.1.2] 顺序的分数 Ordered Fractions 1 / 1 2
1365 P1459   [IOI 1996 / USACO2.1.3] 三值的排序 Sorting a Three-Valued Sequence 1 / 2 2
1366 P1460   [USACO2.1.4] 健康的荷斯坦奶牛 Healthy Holsteins 1 / 1 2
1367 P1461   [USACO2.1.5] 海明码 Hamming Codes 1 / 1 3
1368 P1465   [USACO2.2.1] 序言页码 Preface Numbering 1 / 1 3
1369 P1466   [USACO2.2.2] 集合 Subset Sums 1 / 1 3
1370 P1467   [USACO2.2.3] 循环数 Runaround Numbers 1 / 1 2
1371 P1468   [IOI 1998 / USACO2.2.4] 派对灯 Party Lamps 1 / 1 4
1372 P1470   [IOI 1996 / USACO2.3.1] 最长前缀 Longest Prefix 1 / 1 4
1373 P1472   [USACO2.3.2] 奶牛家谱 Cow Pedigrees 1 / 2 5
1374 P1473   [USACO2.3.3] 零的数列 Zero Sum 1 / 1 3
1375 P1474   [USACO2.3.4] Money System / [USACO07OCT] 1 / 1 3
1376 P1475   [USACO2.3.5] 控制公司 Controlling Companies 1 / 2 3
1377 P1518    [USACO2.4.1] 两只塔姆沃斯牛 The Tamworth Two 1 / 2 3
1378 P1519   [USACO2.4.2] 穿越栅栏 Overfencing 1 / 4 3
1379 P1522   [USACO2.4.3] 牛的旅行 Cow Tours 1 / 1 4
1380 P1529   [USACO2.4.4] 回家 Bessie Come Home 1 / 1 3
1381 P1530   [USACO2.4.5] 分数化小数 Fractions to Decimals 1 / 1 3
1382 P1546   [USACO3.1.1] 最短网络 Agri-Net 1 / 1 3
2135 P1550   [USACO08OCT] Watering Hole G 1 / 1 3
1412 P1560   [USACO5.2.1] 蜗牛的旅行Snail Trails 1 / 1 5
729 P1596   [USACO10OCT] Lake Counting S 0 / 0 2
1937 P1605   迷宫 1 / 1 2
2000 P1638   逛画展 1 / 1 3
1645 1645   「一本通 1.4 例 2」[IOI 1996 / USACO3.2] 魔板 Magic Squares 0 / 0 4
1674 1674   「一本通 3.6 例 1」[USACO06JAN] Redundant Paths G 0 / 0 5
1700 1700   「一本通 3.2 例 3」[USACO08JAN] Telephone Lines S 0 / 0 4
1701 1701   「一本通 3.2 练习 1」[USACO07FEB] Cow Party S 0 / 0 3
1702 1702   「一本通 3.2 练习 2」[USACO06NOV] Roadblocks G 0 / 0 5
1707 1707   「一本通 3.2 练习 7」道路和航线 0 / 0 5
1419 P1709   [SEERC 2003 / USACO5.5.2] 隐藏口令 Hidden Password 1 / 1 5
1711 1711   「一本通 3.3 练习 2」[USACO06DEC] Wormholes G 0 / 0 3
1716 1716   「一本通 3.4 练习 2」[USACO05DEC] Layout G 0 / 0 4
1717 1717   「一本通 3.5 例 1」[USACO03FALL / HAOI2006] 受欢迎的牛 G 0 / 0 4
1719 1719   「一本通 3.5 练习 1」[IOI 1996 / USACO5.3] 校园网 Network of Schools 0 / 0 4
1748 1748   「一本通 4.2 练习 2」[USACO07JAN] Balanced Lineup G 1 / 1 3
1796 1796   「一本通 5.4 例 2」[USACO06NOV] Corn Fields G 0 / 0 5
1802 1802   「一本通 5.5 例 3」[USACO11OPEN] Mowing the Lawn G 0 / 0 4
1824 1824   「一本通 6.2 练习 2」[USACO08DEC] Patting Heads S 0 / 0 3

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