摘要:
思路:欧拉函数; 欧拉函数,然后用下等差数列公式就行了。 阅读全文
摘要:
D. Persistent Bookcase time limit per test 2 seconds memory limit per test 512 megabytes input standard input output standard output Recently in schoo 阅读全文
摘要:
恢复内容开始 Quoit Design Time Limit: 10000/5000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 47126 Accepted Submission(s) 阅读全文