Park Visit Time Limit: 6000/3000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 523 Accepted Submission(s): 236 Problem Description Claire and her little friend, ykwd, are travelling in Shevchenko's Park! The par…
4872: [Shoi2017]分手是祝愿 Time Limit: 20 Sec Memory Limit: 512 MBSubmit: 458 Solved: 299[Submit][Status][Discuss] Description Zeit und Raum trennen dich und mich. 时空将你我分开.B 君在玩一个游戏,这个游戏由 n 个灯和 n 个开关组成,给定这 n 个灯的初始状态,下标为 从 1 到 n 的正整数.每个灯有两个状态亮和灭,我们用 1 来表…