Algorithm, Mathematics, C/C++, GNU/Linux, Emacs/Vim…
好久没有SRM了,昨天跷课回来做,结果好惨...1000pt瞬间被cha掉,500pt又System Test 挂掉,好惨好惨,以后一定好好做SRM,不能再酱紫了....1000pt那道破题溢出了longlong,然后500pt是用next_permutation()没有首先排序,挂得好惨啊,要卧薪尝胆!
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