Open Kite-chaser opened 4 years ago
https://kite-chaser.github.io/post/p2986-usaco10marwei-da-de-nai-niu-ju-ji-great-cow-gat/
This is my blog.
https://kite-chaser.github.io/post/p2986-usaco10marwei-da-de-nai-niu-ju-ji-great-cow-gat/
This is my blog.