摘要:
###题目链接:https://onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&page=show_problem&problem=4502 ###题目大意: 将 \(n\) 个人分成两组,每组的人互相认识,每个人都在一个组中,且每 阅读全文
摘要:
题目链接:https://onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&page=show_problem&category=0&problem=4501&mosmsg=Submission+received+with+ID+26 阅读全文