摘要:
###题目链接:https://onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&page=show_problem&problem=3793 首先发现按照规定的摆放方法一定会有圈,其中每个圈的相邻两行都有一对棋子位于同一列上 设 \ 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=3133&mosmsg=Submission+received+with+ID 阅读全文