Claris' Blog

ÕªÒª£º Ìâ½â£º https://files.cnblogs.com/files/clrs97/ZJCPC2021analyze.zip Code£º A. League of Legends #include<cstdio> using namespace std; #define rep(i,n) for( ÔĶÁÈ«ÎÄ

ÕªÒª£º Ìâ½â£º https://files.cnblogs.com/files/clrs97/ZJCPC2020analyze.zip Code£º£¨Part£© A. AD 2020 #include<cstdio> int f[10005][13][33],is[10005][13][33],i,j,lim ÔĶÁÈ«ÎÄ

ÕªÒª£º A. Bookshop ¶ÔÊ÷½øÐÐÇáÖØÁ´ÆÊ·Ö²¢Çó³öDFSÐò£¬ÔÚDFSµÄ¹ý³ÌÖÐÏÈDFSÒ»¸öµãµÄÖضù×Ó£¬ÔÙDFSËüµÄÇá¶ù×ÓÃÇ£¬ÄÇôÿÌõÖØÁ´ÔÚDFSÐòÉÏÊÇÁ¬ÐøµÄ¡£¶ÔÓÚa56爆大奖在线娱乐ѯÎÊ$(x,y,z)$£¬Áî$t$Ϊ$x$ºÍ$y$µÄLCA£¬ÄÇô´Ó$x$³ö·¢×ßµ½$t$µÄ¹ý³ÌÔÚDFSÐòÀï¶ÔÓ¦´ÓÓÒÍù×óµÄ$O(\log n)$ ÔĶÁÈ«ÎÄ

ÕªÒª£º A. Total Eclipse ¸ù¾ÝÌâÒ⣬ÿ´a56爆大奖在线娱乐ªÑ¡ÔñÒ»¸ö¼«´óÁ¬Í¨¿é£¬½«ÀïÃæËùÓÐÊýͬʱ¼õС£¬Ö±µ½×îСֵ±ä³É$0$£¬È»ºó½«±ä³É$0$µÄµãɾ³ý£¬·ÖÁѳɶà¸öÁ¬Í¨¿éÔÙ½Ó×Å×ö¡£ ½«Õû¸ö¹ý³Ìµ¹¹ýÀ´¿´£¬±ä³É°´ÕÕ$b$µÄÖµ´Ó´óµ½Ð¡ÒÀ´Î¼ÓÈëa56爆大奖在线娱乐µã¡£¼ÓÈëa56爆大奖在线娱乐µã$x$ʱ±éÀúÓë$x$ÏàÁ¬µÄËùÓбß$(x,y)$£¬Èç¹û$y$ÔÚ ÔĶÁÈ«ÎÄ

ÕªÒª£º Trial Round£º Obraz °´ÌâÒâÄ£Äâ¡£ #include<cstdio> const int N=1005; int n,m,i,j;char a[N],b[N][N]; int main(){ scanf("%d%d",&n,&m); for(i=n;i;i--)for(scanf(" ÔĶÁÈ«ÎÄ

ÕªÒª£º Trial Round£º Kwadrat ·Ö½âÖÊÒòÊýºóÅжÏa56爆大奖在线娱乐ÖÊÒòÊýµÄÃÝÊÇÆæÊý»¹ÊÇżÊý£¬Èç¹ûÊÇÆæÊýÔò²¹³ÉżÊý¡£ ʱ¼ä¸´ÔÓ¶È$O(\sqrt{n})$¡£ #include<cstdio> long long n,ans=1;int i,j; int main(){ scanf("%lld",&n); ÔĶÁÈ«ÎÄ

ÕªÒª£º Ä£Äâ·ÑÓÃÁ÷£¬´Ó×óÍùÓÒÒÀ´Î¿¼ÂÇa56爆大奖在线娱乐¶©µ¥£¬ÔÚÏÂÃæÁ½ÖÖÇé¿öÀïÑ¡´ú¼Û½ÏСµÄ½øÐÐÔö¹ã¡£ 1. ²úÆ·ÔÚ¶©µ¥Ö®ºó²úÉú£º ÒòΪ֮ǰ¿¼ÂǵĶ©µ¥¶¼ÔÚµ±Ç°¶©µ¥µÄ×ó²à£¬Òò´ËÍùÓÒ×ßʱ²»»áÓöµ½·´»Ú±ß¡£ Ï߶ÎÊ÷Éϲéѯ³ö¶ÔÓ¦ºó׺ÄÚÈÔÄܹ©¸øµÄÇÒ´ú¼Û×îСµÄÉú²ú¼¾¶È£¬È»ºó½«¸ÃÇø¼äÄÚµÄÍù×ó×ߵıߵÄÁ÷Á¿Ôö¼Ó$1$£¬a56爆大奖在线娱乐·´»Ú±ß¡£ 2. ²úÆ·ÔÚ ÔĶÁÈ«ÎÄ

ÕªÒª£º $O(n^2)$ö¾Ù¹«¹²²¿·Ö£¬ÐèÒªÂú×ãÒÔÏÂÌõ¼þ£º (3)¿ÉÒÔÖ±½ÓÔÚö¾ÙµÄʱºòÅжϵô£¬¶ÔÓÚ(1)ºÍ(2)£¬¿ÉÒÔ½«(1)¹þÏ££¬¶ÔÓÚ¹þÏ£ÖµÏàͬµÄ½Ç¶È¶Ô$(a,b)$£¬½«ËüÃÇ°´ÕÕ$a$ÅÅÐò£¬È»ºóÔÚË«Ö¸Õëʱά»¤$b$µÄ×îСֵ¼´¿É¡£ ʱ¼ä¸´ÔÓ¶È$O(n^2\log n)$¡£ ÔĶÁÈ«ÎÄ

ÕªÒª£º Áî$NX=PQ$£¬ÆäÖÐ$N<P\leq B$£¬Ôò$1\leq Q<X$£¬¶ÔÓÚa56爆大奖在线娱乐Âú×ãÌõ¼þµÄ$N$£¬ÔÚ×î´óµÄ$Q$´¦Í³¼ÆËüµÄ¹±Ïס£ ö¾Ù×î´óµÄ$Q$£¬ÄÇô$NX$ÒªÊÇ$Q$ºÍ$X$µÄ±¶Êý£¬ÇÒ²»ÊÇ$Q+1,Q+2,...,X-1$µÄ±¶Êý¡£ ¿¼ÂÇÈݳâÔ­Àí£¬Ö¸Êý¼¶Ã¶¾Ù$NX$Ò»¶¨ÊÇ$Q+1$µ½$X-1$ÕâЩ ÔĶÁÈ«ÎÄ

ÕªÒª£º ±©Á¦Ã¶¾ÙµÚÒ»¸ö¾ØÐεÄËÄÌõ±ß£¬ÄÇôÕÒ³öδ¸²¸Ç²¿·ÖµÄ2µÄ°üΧºÐ×÷ΪµÚ¶þ¸ö¾ØÐμ´¿É¡£ Ô¤´¦Àí¶þάǰ׺ºÍÀ´$O(1)$ÅжÏÒ»¸ö¾ØÐÎÄÚ²¿ÊÇ·ñÓÐ1£¬Ô¤´¦ÀíÇ°ºó׺×ø±ê×îÖµÀ´$O(1)$µÃµ½°üΧºÐ¡£ ʱ¼ä¸´ÔÓ¶È$O(n^4)$¡£ ÔĶÁÈ«ÎÄ

ÕªÒª£º ½«²ÃÅÐ×÷Ϊԭµã£¬Çó³öÔ­µãµ½a56爆大奖在线娱乐Ô²µÄÇе㡣 ½«ÕâЩÇеãÒÔ¼°¾ØÐεĶ¥µã¼«½ÇÅÅÐò£¬ÓöÑά»¤×î¿¿½ü²ÃÅеÄÔ²¡£ ¶ÔÓÚÒ»¶ÎÏàÁڵļ«½ÇÇø¼ä£¬Èç¹ûûÓÐÔ²£¬ÄÇô¶Ô´ð°¸µÄ¹±Ï×ÊÇÈý½ÇÐεÄÃæ»ý¡£ ·ñÔòÇó³öÁ½ÌõÉäÏßÓëÔ²µÄ½»µã$A,B$£¬Ôò¶Ô´ð°¸µÄ¹±Ï×ÊÇÈý½ÇÐÎ$OAB$µÄÃæ»ý¼õÈ¥Èý½ÇÐÎ$OAB$ÓëÔ²µÄ½»µÄÃæ»ý¡£ ʱ¼ä¸´ÔÓ¶È$O ÔĶÁÈ«ÎÄ

ÕªÒª£º Èç¹ûСµØͼ´æÔÚÅ·À­»Ø·£¬ÄÇô¶ÔÓÚ´óµØͼµÄÿÌõ±ß£¬¶¼¿ÉÒÔÇ¡ºÃ×ßÁ½´ÎʹµÃСµØͼÿÌõ±ßÇ¡ºÃ¾­¹ýÒ»´Î£¬Áî$sum$ΪСµØͼµÄ±ßȨºÍ£¬Ôò´Ëʱ´ð°¸Îª$m\times sum$¡£ ·ñÔòСµØͼ´æÔÚÅ·À­Â·¾¶£¬ÕÒµ½Á½¸öÆæµã$A$ºÍ$B$£¬ÄÇô×îÓŽâÖдóµØͼÿÌõ±ßÒ»¶¨¾­¹ý$1$´Î»òÕß$2$´Î£¬ÇÒ½ö±£Áô¾­¹ý$1$´ÎµÄ±ßºó´ó ÔĶÁÈ«ÎÄ

ÕªÒª£º Èç¹ûÒ»¸ö¾ØÐÎ$A$°üº¬ÁíÒ»¸ö¾ØÐÎ$B$£¬ÄÇôѡ¾ØÐÎ$A$ÏÔÈ»²»ÓÅ¡£ °Ñ×ø±êÀëÉ¢»¯£¬¸øa56爆大奖在线娱乐¾ØÐa56爆大奖在线娱乐»¸öËæ»úµÄunsigned long longȨֵ£¬²¢°Ñ¶ÔÓ¦·¶Î§ÄÚa56爆大奖在线娱乐¸ñ×ÓµÄȨֵ¶¼Òì»òÉÏËü¡£FloodfillÕÒ³öËùÓÐȨֵÏàͬµÄËÄÁ¬Í¨¸ñ×Ó£¬Èç¹ûij¸öÁ¬Í¨¿éµÄÐÎ×´ÊǾØÐΣ¬ÄÇô¾ÍÊÇÒ»¸ö¿ÉÐеľØÐΣ¬Ò»¹²$O(n^2 ÔĶÁÈ«ÎÄ

ÕªÒª£º Èç¹û$x$ºÍ$y$Ïà¹Ø£¬ÔòÁ¬ÎÞÏò±ß$(x,y)$£¬±ßȨΪ$0$a56爆大奖在线娱乐Ïàͬ£¬Îª$1$a56爆大奖在线娱乐Ïà·´¡£ a56爆大奖在线娱乐Á¬Í¨¿éËæ±ãÑ¡¸öµã×÷Ϊ¸ù£¬ÄÇô´ð°¸¾ÍÊÇa56爆大奖在线娱乐Á¬Í¨¿éÀïµ½¸ù½ÚµãÒì»òºÍΪ$0$»òÕß$1$µÄµãÊýµÄ×î´óÖµÖ®ºÍ¡£ ×¢Òâµ½¼Ó±ß²Ù×÷²»»á³É»·£¬a56爆大奖在线娱乐ÓÃÖ§³Ö×ÓÊ÷ÐÅϢά»¤µÄLink-Cut Treeά»¤Õâ¸öÉ­ÁÖ¼´¿É¡£ ¶ÔÓÚ²Ù×÷ ÔĶÁÈ«ÎÄ

ÕªÒª£º ¼ÙÉè´Ó¹âÔ´$(0,0)$Éä³öµÄÒ»Êø¹âµÚÒ»´ÎÅöµ½ÓÒ±ßǽÉϵÄ$(x,y)$£¬ÄÇôµÚ$k$´ÎµÄ×ø±êÊÇ$(kx,ky)$¡£ Èç¹ûÔÚµÚ$k$´Îµ½´ïÁË×ó±ßij¸öµãÇÒ$k$ÊÇ$2^d\times o$µÄÐÎʽ£¬ÆäÖÐ$o$ÊÇÆæÊý£¬ÄÇôÔÚµÚ$2^d$´a56爆大奖在线娱乐»¶¨Ò²Äܵ½´ïÕâ¸öµã¡£ ö¾ÙËùÓв»³¬¹ý×î´ó×ø±êÁ½±¶µÄ$2^d$£¬ÅжÏ×ó±ß ÔĶÁÈ«ÎÄ

ÕªÒª£º Runda próbna£º A + B Éè$f[i]$a56爆大奖在线娱乐Á½ÊýÏà¼ÓµÃµ½Ç°$i$λµÄ·½°¸Êý£¬ÓÉ$f[i-1]$ºÍ$f[i-2]$תÒƵõ½¡£ #include<cstdio> #include<cstring> typedef long long ll; const int N=50; int n,i, ÔĶÁÈ«ÎÄ

ÕªÒª£º Ìâ½â£º https://files.cnblogs.com/files/clrs97/19HKEditorial-V1.zip Code£º£¨Part£© A. Axis of Symmetry B. Binary Tree D. Defining Labels G. Game Design H. Ho ÔĶÁÈ«ÎÄ

ÕªÒª£º Ìâ½â£º https://files.cnblogs.com/files/clrs97/HarbinEditorialV2.zip Code£º A. Artful Paintings B. Binary Numbers C. Competition in Swiss-system D. Driverl ÔĶÁÈ«ÎÄ

ÕªÒª£º A. Salty Fish ¼ÙÉèҪ͵×ßËùÓеÄÆ»¹û£¬ÄÇôÏÖÔÚÐèÒª·ÅÆúһЩƻ¹û£¬²¢ÇÒºÚµôһЩ¼à¿ØÏà»úÒÔ±£Ö¤ÄÜ͵×ßûÓзÅÆúµÄÆ»¹û£¬a56爆大奖在线娱乐ÃÇÐèÒª×îС»¯·ÅÆúµÄÆ»¹ûµÄÊÕÒæÖ®ºÍ¼ÓÉϺڵôÏà»úÖ§¸¶µÄ´ú¼ÛµÄ×ܺ͡£ ¿¼ÂÇ×îС¸î½¨Í¼£º Ô´µã$S$Ïòa56爆大奖在线娱乐¼à¿ØÏà»úÁ¬±ß£¬¸îµôÕâÌõ±ßµÄ´ú¼ÛΪºÚµôËüµÄ´ú¼Û£¬¸îµôÕâÌõ±ßa56爆大奖在线娱乐ºÚµôÕâ¸ö¼à¿ØÏà»ú ÔĶÁÈ«ÎÄ

ÕªÒª£º Ìâ½â£º solution Code£º A. Apple Business B. Balanced Diet C. Line-line Intersection D. Master of Data Structure E. Minimum Spanning Tree F. Mini-game Befo ÔĶÁÈ«ÎÄ