随笔分类 -  随机化

codeforces 869E. The Untended Antiquity(二维树状数组，随机化)
摘要："codeforces 869E" E. The Untended Antiquity time limit per test2 seconds memory limit per test512 megabytes inputstandard input outputstandard output 阅读全文
posted @ 2017-10-07 14:32 tarjan's 阅读(182) 评论(0) 推荐(0)