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B. Mike and Shortcuts time limit per test 3 seconds memory limit per test 256 megabytes input standard input output standard output Recently, Mike was very busy with stu

1646: 迷宫与宝藏 Time Limit:2000MS Memory Limit:65536KB Total Submit:28 Accepted:10 Page View:806 Submit Status Discuss Description 机器人要在一个矩形迷宫里行动（不能原地停留，只能走向上/下/左/右），每移动一格花费1个单位时间。 迷宫有以下几

C. NP-Hard Problem time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Recently, Pari and Arya did some researc