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ID Problem Show tags Hide tags AC / Tried Difficulty
909 E569   【基础】黑色星期五(friday) 1 / 2 10
1159 E820   【提高】谷仓的安保 3 / 11 9
1246 E906   【基础】愤怒的奶牛 13 / 23 5
1253 E913   【基础】探测池塘 1 / 1 10
1254 E914   【基础】相似的奶牛 0 / 0 (None)
1255 E915   【基础】数字三角形 0 / 0 (None)
1256 E916   【基础】麦香牛肉 1 / 1 10
1262 E922   【提高】立方体积木Cube Stacking 0 / 0 (None)
1265 E925   【基础】最短网络 Agri-Net(USACO3.1) 1 / 6 10
1267 E927   【基础】Out of Hay S[USACO05MAR] 0 / 0 (None)
1273 E933   【基础】贪婪的送礼者Greedy Gift Givers(USACO1.1) 0 / 0 (None)
1274 E934   【基础】回文平方数 Palindromic Squares 2 / 4 10
1275 E935   【基础】双重回文数 Dual Palindromes 1 / 1 10
1276 E936   【基础】混合牛奶 Mixing Milk 1 / 1 10
1277 E937   【基础】修理牛棚 Barn Repair 1 / 1 10
1278 E938   【提高】回文质数 Prime Palindromes 1 / 6 10
1279 E939   【基础】特殊的质数肋骨 Superprime Rib 4 / 22 9
1280 E940   【基础】集合 Subset Sums 0 / 0 (None)
1427 E1089   【基础】回家 Bessie Come Home 0 / 0 (None)
6869 USACO1017   1.5.1 [IOI1994]数字三角形 Number Triangles 2 / 2 10
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