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Codeforces Round #407 (Div. 1) B. Weird journey —— dfs + 图
题目链接:http://codeforces.com/problemset/problem/788/B B. Weird journey time limit per test 2 seconds memory limit per test 256 megabytes input standard input output stan原创 2017-07-09 22:34:04 · 278 阅读 · 0 评论 -
HDU1814 Peaceful Commission —— 2-sat 染色法
题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=1814 Peaceful Commission Time Limit: 10000/5000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 4142 Acc原创 2017-08-25 16:33:52 · 370 阅读 · 0 评论