摘要:
C. Hacking Cypher time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Polycarpus participates 阅读全文
摘要:
朋友 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others) Problem Description B君在围观一群男生和一群女生玩游戏,具体来说游戏是这样的:给出一棵n个节点的树,这棵树的每条 阅读全文