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usaco3.2.6 Sweet Butter
一 原题Sweet ButterGreg Galperin -- 2001Farmer John has discovered the secret to making the sweetest butter in all of Wisconsin: sugar. By placing a sugar cube out in the pastures, he knows t原创 2016-12-25 16:54:50 · 413 阅读 · 0 评论 -
usaco2.4.4 Bessie Come Home
一 原题Bessie Come HomeKolstad & BurchIt's dinner time, and the cows are out in their separate pastures. Farmer John rings the bell so they will start walking to the barn. Your job is to figure o原创 2016-12-19 15:59:00 · 369 阅读 · 0 评论 -
usaco2.4.3 Cow Tours
一 原题Cow ToursFarmer John has a number of pastures on his farm. Cow paths connect some pastures with certain other pastures, forming a field. But, at the present time, you can find at least two原创 2016-12-18 15:06:17 · 303 阅读 · 0 评论 -
cf 1051F The Shortest Statement
一 原题F. The Shortest Statementtime limit per test: 4 secondsmemory limit per test: 256 megabytesinput: standard inputoutput: standard outputYou are given a weighed undirected connected grap...原创 2018-09-29 14:06:43 · 420 阅读 · 0 评论