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); WuPreorder (t->Right ); - } About } $ -Template - intBtreet) - { A if(T = =NULL) + { the return 0; - } $ intleft =1; the intright =1; theLeft + = deepth (t->Left ); theRight + = Deepth (t->Right ); the returnLeft >= right?Left:right; - } in the //The right node is bigger than the left. theTemplate About voidBtreeintN) the { the if(N 0) the { + return; - } the inti =II;BayiT->left =NewBt

ifTem>Max1 THEN BEGIN *go2[x]:=Go1[x]; $go1[x]:=Nowe;Panax Notoginsengmax2:=max1; -max1:=tem; the End + Else ifTem>Max2 Then A begin thego2[x]:=Nowe; +max2:=tem; - end; $nowe:=b[nowe].f; $ end; - ifdiameterMax2 Then - begin thediameter:=max1+Max2; -s:=x;Wuyi end; the exit (MAX1); - end; Wu begin - readln (n,k); About fori:=1to n1 Do $ begin - readln (f,t); -Insert (i*2-1, f,t); -Insert (i*2, t,f); A end; +ans:=2* (n1); thediameter:=0; -Sum:=dfs (1,0); $ans:=ans-diameter+1; the

|| !S.empty ()) { + while(t! =NULL) { - S.push (t); theS2.push (NewInteger (0)); Bayit =T.lchild; the } the while(!s.empty () S2.peek (). Equals (i)) { - S2.pop (); -System. out. Print (S.pop (). date); the } the the if(!S.empty ()) { the S2.pop (); -S2.push (NewInteger (1)); thet =S.peek (); thet =T.rchild; the } 94 } the

=strlen (ch+1); - for(intI=1; i) $a[i]=ch[i]-'a'+1; $ for(intI=1; i) -v[a[i]]++; - for(intI=1; i -; i++) thev[i]+=v[i-1]; - for(intI=1; i)Wuyisa[p][v[a[i]]--]=i; the for(intI=1; i) -rk[p][sa[p][i]]=rk[p][sa[p][i-1]]+ (a[sa[p][i-1]]!=A[sa[p][i]]); Wuk=1; - for(; kN;) About { $ Work (Sa[p],rk[p],sa[q],rk[q]); - swap (P,Q); -k1; - } Ak=0; + for(intI=1; i) the if(rk[p][i]==1) -h[i]=0; $ Else the { the intj=sa[p][rk[p][i]-1]; the

]; - whilePNil Do - begin - Inc (B[P^.G]); Ap:=P^.next; + End; the End; -c[x]:=0; $DFS (x+1); the End; the End; the the begin - readln (n,m); in fori:=1 toM Doa[i]:=Nil; the fori:=1 toM Do the begin About forj:=1 toN Do the begin the read (C1); the ifc1

the specified position in the list the + - $ #1.4 List's modification operation $ -Mylist[0] ="AAA" #modifies the value of a specified position in a list - the - Wuyi #1.5 multi-dimensional arrays the -List_tmp = ['1','2'] Wu -Mylist.append (LIST_TMP)#You can insert another list in a list About $ Print(Mylist[4][1])#you can get the elements of the inner class table by specifying the following table - - - A #2. Tuple + the #What is the meaning of immutable tuple? Because the tupl