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4872: [Shoi2017]分手是祝愿 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 阅读全文
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Subsequence Count Time Limit: 10000/5000 MS (Java/Others) Memory Limit: 256000/256000 K (Java/Others) Total Submission(s): 933 Accepted Submission(s): 阅读全文
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J. Ceizenpok’s formula time limit per test 2.0 s memory limit per test 256 MB input standard input output standard output Dr. Ceizenp'ok from planet i 阅读全文
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E. Devu and Flowers time limit per test 4 seconds memory limit per test 256 megabytes input standard input output standard output Devu wants to decora 阅读全文
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2724: [Violet 6]蒲公英 Description Input 修正一下 l = (l_0 + x - 1) mod n + 1, r = (r_0 + x - 1) mod n + 1 修正一下 l = (l_0 + x - 1) mod n + 1, r = (r_0 + x - 1 阅读全文