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8.8-8.10 usaco

66,6200,55665,29082,24253,16366,12205,24337,15445,7730,9084,3990,79887,143204,121402,123362,100388,82994,116473,92771,81309,68677,38302,128164,92816,81894,70169
bbchq 2016-08-11 浏览(11)
http://www.cnblogs.com/fighting-to-the-end/p/5760043.html