ͻ񻣼
a56爆大奖在线娱乐ÊÇ¶Ô ix35 ²©¿Í µÄÒ»µãÍØÕ¹¡£ \(O(n^2)\) ¶àÏîʽ²Ù×÷ ²»Ð´Ëã·¨£¬ÒªÑ§È¥ OI Wiki¡£ ²»Í¨¹ý×éºÏÒâÒå¹æ±ÜÉú³Éº¯Êý¡£ ²»»áÈκζàÏîʽ¿Æ¼¼£¬²»Ð´¡£ Ç°ÖÃ֪ʶÉÔ΢Óеã¶à¡£µ«ÊǶ¼±È½Ï¼òµ¥¡£ Ö÷ÒªÊÇд¸ø×Ô¼º¿´µÄÌ×·ºÏ¼¯¡£ Ò²ÐíºóÃæ»áÓиü¶àרÌâµÄ£¬µ«ÊDZÊÕ߲ˣ¬a56爆大奖在线娱乐Ö»ÓÐÒ»µãµã¼ÆÊý¡£ Èç¹ûÓÐ ÔĶÁÈ«ÎÄ
ͻ񻣼
[ARC104D] Multiset Mean Problem ¸ø³öÕýÕûÊý \(n,k,m\)£¬a56爆大奖在线娱乐Èa56爆大奖在线娱乐âÕýÕûÊý \(i \in [1,n]\) ¶¼ÓÐ \(k\) ¸ö¿É¹©Ñ¡Ôñ£¬ÄãÐèÒª´ÓÖÐÑ¡³öÈô¸É¸öÊý×é³ÉÒ»¸ö¿ÉÖؼ¯¡£Çë¼ÆËãÑ¡³öµÄ¿ÉÖؼ¯Æ½¾ùÊýΪ \(x\) µÄ·½°¸Êý¶Ô \(m\) È¡Ä£ºóµÄÖµ£¬¶ÔÓÚËùÓÐÕýÕû ÔĶÁÈ«ÎÄ
ͻ񻣼
°åË¢ AtCoder ARC C£¡£¨À¶¼°ÒÔÉÏ£© [ARC171C] Swap on Tree Problem ¸ø¶¨Ò»¿Ã \(n\) ¸ö½ÚµãµÄÊ÷£¬a56爆大奖在线娱乐µãÓиöȨֵ \(a_i\)£¬³õʼʱ \(a_i=i\)¡£ Äã¿ÉÒÔÖ´ÐÐÈa56爆大奖在线娱乐â²Ù×÷£ºÑ¡ÔñÒ»Ìõ±ß \((u,v)\)£¬½»»» \(a_u\) ºÍ \(a_v\)£¬ ÔĶÁÈ«ÎÄ