📄 xtjd5.htm
字号:
style='mso-bidi-font-size:10.0pt;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>单下标二元组矩阵类型</span><span lang=EN-US
style='mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'> <o:p></o:p></span></p>
<p><span lang=EN-US style='mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'>Status
SMatrix_Locate(SMatrix A,int i,int j,int &e)//</span><span
style='mso-bidi-font-size:10.0pt;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>求单下标二元组矩阵的元素</span><span lang=EN-US
style='mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'>A[i][j]</span><span
style='mso-bidi-font-size:10.0pt;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>的值</span><span lang=EN-US
style='mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'>e<br>
{<br>
s=i*A.nu+j+1;p=1;<br>
while(A.data[p].seq<s) p++; //</span><span style='mso-bidi-font-size:
10.0pt;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>利用各元素</span><span
lang=EN-US style='mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'>seq</span><span
style='mso-bidi-font-size:10.0pt;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>值逐渐递增的特点</span><span lang=EN-US
style='mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><br>
if(A.data[p].seq==s) //</span><span style='mso-bidi-font-size:10.0pt;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>找到了元素</span><span
lang=EN-US style='mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'>A[i][j]<br>
{<br>
e=A.data[p].e;<br>
return OK;<br>
}<br>
return ERROR;<br>
}//SMatrix_Locate <o:p></o:p></span></p>
<p style='mso-outline-level:1'><span lang=EN-US style='mso-bidi-font-size:10.0pt;
font-family:"Times New Roman"'>5.25 <o:p></o:p></span></p>
<p><span lang=EN-US style='mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'>typedef
enum{0,1} bool; <o:p></o:p></span></p>
<p><span lang=EN-US style='mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'>typedef
struct{<br>
<span
style="mso-spacerun: yes"> </span> int
mu,nu;<br>
<span
style="mso-spacerun: yes"> </span> int
elem[MAXSIZE];<br>
<span style="mso-spacerun:
yes"> </span> bool
map[mu][nu];<br>
<span style="mso-spacerun:
yes"> </span> }
BMMatrix; //</span><span style='mso-bidi-font-size:10.0pt;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>用位图表示的矩阵类型</span><span
lang=EN-US style='mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'> <o:p></o:p></span></p>
<p><span lang=EN-US style='mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'>void
BMMatrix_Add(BMMatrix A,BMMatrix B,BMMatrix &C)//</span><span
style='mso-bidi-font-size:10.0pt;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>位图矩阵的加法</span><span lang=EN-US
style='mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><br>
{<br>
C.mu=A.mu;C.nu=A.nu;<br>
pa=1;pb=1;pc=1;<br>
for(i=0;i<A.mu;i++) //</span><span style='mso-bidi-font-size:
10.0pt;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>每一行的相加</span><span
lang=EN-US style='mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><br>
for(j=0;j<A.nu;j++) //</span><span style='mso-bidi-font-size:
10.0pt;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>每一个元素的相加</span><span
lang=EN-US style='mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><br>
{<br>
if(A.map[i][j]&&B.map[i][j]&&(A.elem[pa]+B.elem[pb]))//</span><span
style='mso-bidi-font-size:10.0pt;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>结果不为</span><span lang=EN-US
style='mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'>0<br>
{<br>
C.elem[pc]=A.elem[pa]+B.elem[pb];<br>
C.map[i][j]=1;<br>
pa++;pb++;pc++;<br>
}<br>
else if(A.map[i][j]&&!B.map[i][j])<br>
{<br>
C.elem[pc]=A.elem[pa];<br>
C.map[i][j]=1;<br>
pa++;pc++;<br>
}<br>
else if(!A.map[i][j]&&B.map[i][j])<br>
{<br>
C.elem[pc]=B.elem[pb];<br>
C.map[i][j]=1;<br>
pb++;pc++;<br>
}<br>
}<br>
}//BMMatrix_Add <o:p></o:p></span></p>
<p><span lang=EN-US style='mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'>5.26
<o:p></o:p></span></p>
<p><span lang=EN-US style='mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'>void
Print_OLMatrix(OLMatrix A)//</span><span style='mso-bidi-font-size:10.0pt;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>以三元组格式输出十字链表表示的矩阵</span><span
lang=EN-US style='mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><br>
{<br>
for(i=0;i<A.mu;i++)<br>
{<br>
if(A.rhead[i])<br>
for(p=A.rhead[i];p;p=p->right) //</span><span
style='mso-bidi-font-size:10.0pt;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>逐次遍历每一个行链表</span><span lang=EN-US
style='mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><br>
printf("%d %d
%d\n",i,p->j,p->e;<br>
}<br>
}//Print_OLMatrix <o:p></o:p></span></p>
<p style='mso-outline-level:1'><span lang=EN-US style='mso-bidi-font-size:10.0pt;
font-family:"Times New Roman"'>5.27 <o:p></o:p></span></p>
<p><span lang=EN-US style='mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'>void
OLMatrix_Add(OLMatrix &A,OLMatrix B)//</span><span style='mso-bidi-font-size:
10.0pt;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>把十字链表表示的矩阵</span><span
lang=EN-US style='mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'>B</span><span
style='mso-bidi-font-size:10.0pt;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>加到</span><span lang=EN-US
style='mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'>A</span><span
style='mso-bidi-font-size:10.0pt;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>上</span><span lang=EN-US
style='mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><br>
{<br>
for(j=1;j<=A.nu;j++) cp[j]=A.chead[j]; //</span><span
style='mso-bidi-font-size:10.0pt;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>向量</span><span lang=EN-US
style='mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'>cp</span><span
style='mso-bidi-font-size:10.0pt;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>存储每一列当前最后一个元素的指针</span><span
lang=EN-US style='mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><br>
for(i=1;i<=A.mu;i++)<br>
{<br>
pa=A.rhead[i];pb=B.rhead[i];pre=NULL;<br>
while(pb)<br>
{<br>
if(pa==NULL||pa->j>pb->j) //</span><span
style='mso-bidi-font-size:10.0pt;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>新插入一个结点</span><span lang=EN-US
style='mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><br>
{<br>
p=(OLNode*)malloc(sizeof(OLNode));<br>
if(!pre) A.rhead[i]=p;<br>
else pre->right=p;<br>
p->right=pa;pre=p;<br>
p->i=i;p->j=pb->j;p->e=pb->e;
//</span><span style='mso-bidi-font-size:10.0pt;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>插入行链表中</span><span lang=EN-US
style='mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><br>
if(!A.chead[p->j])<br>
{<br>
A.chead[p->j]=p;<br>
p->down=NULL;<br>
}<br>
else<br>
{<br>
while(cp[p->j]->down)
cp[p->j]=cp[p->j]->down;<br>
p->down=cp[p->j]->down;<br>
cp[p->j]->down=p;<br>
}<br>
cp[p->j]=p; //</span><span
style='mso-bidi-font-size:10.0pt;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>插入列链表中</span><span lang=EN-US
style='mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><br>
}//if<br>
else if(pa->j<pb->j)<br>
{<br>
pre=pa;<br>
pa=pa->right;<br>
} //pa</span><span style='mso-bidi-font-size:
10.0pt;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>右移一步</span><span
lang=EN-US style='mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><br>
else if(pa->e+pb->e)<br>
{<br>
pa->e+=pb->e;<br>
pre=pa;pa=pa->right;<br>
pb=pb->right;<br>
} //</span><span style='mso-bidi-font-size:
10.0pt;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>直接相加</span><span
lang=EN-US style='mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><br>
else<br>
{<br>
if(!pre)
A.rhead[i]=pa->right;<br>
else
pre->right=pa->right;<br>
p=pa;pa=pa->right; //</span><span
style='mso-bidi-font-size:10.0pt;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>从行链表中删除</span><span lang=EN-US
style='mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><br>
if(A.chead[p->j]==p)<br>
A.chead[p->j]=cp[p->j]=p->down;<br>
else
cp[p->j]->down=p->down; //</span><span style='mso-bidi-font-size:10.0pt;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>从列链表中删除</span><span
lang=EN-US style='mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'><br>
free (p);<br>
}//else<br>
}//while<br>
}//for<br>
}//OLMatrix_Add<br>
</span><span style='mso-bidi-font-size:10.0pt;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>分析</span><span lang=EN-US
style='mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'>:</span><span
style='mso-bidi-font-size:10.0pt;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>本题的具体思想在课本中有详细的解释说明</span><span
lang=EN-US style='mso-bidi-font-size:10.0pt;font-family:"Times New Roman"'>. <o:p></o:p></span></p>
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -