ͻ񻣼
Ö®ºóÿ´Îµü´út^1 ʹµÃ 0->1 1->0 ÕâÀïÓÐ n¸öÊÀ½ç£¬a56爆大奖在线娱乐ÊÀ½ç¶¼ÓÐ m ¸öµã¡£ ÔÚi¸öÊÀ½çÖУ¬Äã×î¶à¿ÉÒÔÑ¡ÔñÒ»Ìõ±ß £¬´Ó uµã Òƶ¯µ½ vµã £¨¿ÉÒÔÑ¡Ôñ²»Òƶ¯£©¡£Ëæºó½øÈëµ½µÚ i+1 ¸öÊÀ½çÖеĵ㠡£Èç¹ûÑ¡ÔñÔÚ u µãÉϲ»Òƶ¯£¬Ôò½øÈëµ½µÚ i+1 ¸öÊÀ½çµÄuµã ¡£ ÕÒµ½Ò»¶ÎÁ¬ÐøµÄÊÀ½ç £¬Ê¹ ÔĶÁÈ«ÎÄ
ͻ񻣼
#dp(i,j)Ç°i¸ö×î¶àÆ¥ÅäaµÄÇ°j¸ö ##¸øÒ»¸öÀ¨ºÅ´®aÊÇbµÄ×ÓÐòÁУ¨×ÓÐòÁÐ £ºÖмä¿ÉÄÜȱ Ö»±£ÁôÏà¶Ô˳Ðò ²»¿¼ÂǾø¶Ô˳Ðò£© Çó×Ó´®bµÄºÏ·¨ÊýÁ¿ dp(i,j,k) ĸ´®bµÄÇ°i¸ö×î¶àÆ¥Åä×Ó´®aµÄÇ°j¸ö£¬Ê£ÏÂk¸ö×óÀ¨ºÅδƥÅä zÖ»Ðèά»¤×ó±ßÓм¸¸öûÓб»Æ¥ÅäµÄ×óÀ¨ºÅ¾Í¿ÉÒÔ a: j j+1 b: ÔĶÁÈ«ÎÄ
ͻ񻣼
##¸ø¶¨a[i]ÇóÈÃa2[i]¹¹Ôì³ÉµÈ²îÊýÁÐ ÒªÇósum(a[i]-a2[i])^2µÄÖµ×îС https://ac.nowcoder.com/acm/contest/33187/J ת»¯³É×îС¶þ³Ë·¨ (i,ai) ͨ¹ý×îС¶þ³Ë·¨Çó³ök,b¹¹³ÉµÄÖ±Ïß·½³Ì y=kx+b ÇóÊÇÒª±ä³ÉµÄµÈ²îÊýÁÐ long ÔĶÁÈ«ÎÄ
ͻ񻣼
##¸ø¶¨ÓÐÏòͼ ȾÈa56爆大奖在线娱乐âÒ»µãΪºÚÉ« Èç¹ûÒ»¸öµãµÄËùÓÐÈë±ß¶¼ÎªºÚÉ« ÄÇôËû¾Í¿ÉÒÔ±ä³ÉºÚÉ« ÄѵãÉæ¼°ËÑË÷ʱºòÏȺóµÄÎÊÌâ https://ac.nowcoder.com/acm/contest/33186/J ÐÔÖÊ £ºÒòΪȾÈë¶ÈΪ1µÄµãµÄʱºò²»Èç°ÑËûµÄÇ°ÃæÒ»¸öµãȾɫ a56爆大奖在线娱乐½«ËùÓÐÈë¶ÈΪ1µÄµãºÏ²¢µ½ËûµÄÇ°Ò»¸öµã ÔĶÁÈ«ÎÄ
ͻ񻣼
##ÕÒ×øλhttps://ac.nowcoder.com/acm/contest/33186/C ÐèҪעÒâ ÒòΪÊÇÉäÏ߶øÇÒÆðµã¹Ì¶¨ a56爆大奖在线娱乐ÿһÐÐÖ»ÓÐ×îÇ°ÃæµÄÄÇÒ»¸öλÖõÄбÂÊÊÇ·ûºÏÒªÇóµÄ ¿ÉʹÓõ¥Ö¸ÕëµÄö¾Ù ¼ÆËãÁ½¸ö¶¥µã¿ªÊ¼ ÿһÐв»±»ÉäÏßÉäµ½µÄλÖÃÏòÏÂÈ¡Õû¼´¿É #include <bits/stdc+ ÔĶÁÈ«ÎÄ
ͻ񻣼
##Å£¿ÍµÚÒ»Ìâhttps://ac.nowcoder.com/acm/contest/33186/A signed main(){ // ios::sync_with_stdio(false); // cin.tie(0),cout.tie(0); int n; cin>>n; for(int i= ÔĶÁÈ«ÎÄ
ͻ񻣼
#ÆÚÍûµÄÏßÐÔÐÔÖÊ:E(ax+by)=aE(X)+bE(Y)=p(X)×E(X)+p(Y)×E(Y) dp(״̬)µÄÖµ£ºÔÚµ±Ç°×´Ì¬Ï»¹ÐèÒª¶àÉÙÂÛ²ÅÄܽáÊø´ð°¸ a56爆大奖在线娱乐Êä³öµÄÊÇdp(³õʼ״̬) dp(Ä¿µÄ״̬=0) dp[i][j]=p1 * ( dp[i-1][j-1] + 1 ) + p2 * (dp[ ÔĶÁÈ«ÎÄ
ͻ񻣼
1.Á½¸öbÖиôk¸öa ĵţºÍêòÅ£ https://www.acwing.com/problem/content/1309/ Ô¼º²¾ö¶¨Èa56爆大奖在线娱乐âÁ½Ö»ÄµÅ£Ö®¼äÖÁÉÙÒªÓÐ K Ö»êòÅ£¡£Çó×éºÏµÄ·½°¸Êé dp f[i]¼¯ºÏ£º¿¼ÂÇÇ°iÍ·Å££¬ÇÒµÚiÍ·Å£ÊÇ1µÄ·½°¸ ÓÉf[0]...f[i-k-1]תÒƹýÀ´ #include ÔĶÁÈ«ÎÄ
ͻ񻣼
void mul(int c[], int a[], int b[][N])//a*b=c aÊÇÐÐÏòÁ¿ bÊǾØÕó { int temp[N] = {0};//»º´æ¾ØÕó ÒòΪmul´«ÈëµÄc¾ØÕóºÍa¾ØÕó ¿ÉÄÜÊÇÏàͬµÄ Äã²»ÄÜÒ»±ß¶ÁÒ»±ß¸Ä for (int i = 0; i < N; i ++ ) for ÔĶÁÈ«ÎÄ
ͻ񻣼
¸ø³öһϵÁÐÏßÐÔͬÓà·½³Ì£º x¡Ôa[1](mod m[1]) x¡Ôa[2](mod m[2]) x¡Ôa[3](mod m[3]) ¡ ÇóxµÄ×îСֵ ÁîM=m[1]?m[2]?¡?m[n] ÁîM[i]=M/m[i], ÒòΪm[]ÖеÄÊýÁ½Á½»¥ÖÊ£¬a56爆大奖在线娱乐M[i]Óëm[i]»¥ÖÊ£¬a56爆大奖在线娱乐¿ÉÒÔÓÃÀ©Å·Çó³öM[i]µÄÄæÔª ÔĶÁÈ«ÎÄ