?? acm常用代碼.mht
字號:
<tr style=3D'mso-yfti-irow:3'>
<td style=3D'padding:0cm 0cm 0cm 0cm'>
<p class=3DMsoNormal align=3Dright style=3D'text-align:right'><span lang=
=3DEN-US
style=3D'font-size:9.0pt;color:black'>t[]：<o:p></o:p></span></p>
</td>
<td style=3D'padding:0cm 0cm 0cm 0cm'>
<p class=3DMsoNormal><span style=3D'font-size:9.0pt;color:black'>结=
果，用字符串表示<span
lang=3DEN-US><o:p></o:p></span></span></p>
</td>
</tr>
<tr style=3D'mso-yfti-irow:4'>
<td width=3D"12%" style=3D'width:12.0%;padding:0cm 0cm 0cm 0cm'>
<p class=3DMsoNormal align=3Dright style=3D'text-align:right'><span lang=
=3DEN-US
style=3D'font-size:9.0pt;color:black'>m：<o:p></o:p></span></p>
</td>
<td width=3D"88%" style=3D'width:88.0%;padding:0cm 0cm 0cm 0cm'>
<p class=3DMsoNormal><span style=3D'font-size:9.0pt;color:black'>乘=
数，限定<span
lang=3DEN-US>10以内<o:p></o:p></span></span></p>
</td>
</tr>
<tr style=3D'mso-yfti-irow:5'>
<td style=3D'padding:0cm 0cm 0cm 0cm'>
<p class=3DMsoNormal align=3Dright style=3D'text-align:right'><span
style=3D'font-size:9.0pt;color:black'>返回值：<sp=
an
lang=3DEN-US><o:p></o:p></span></span></p>
</td>
<td width=3D"88%" style=3D'width:88.0%;padding:0cm 0cm 0cm 0cm'>
<p class=3DMsoNormal><span lang=3DEN-US style=3D'font-size:9.0pt;color:bl=
ack'>null<o:p></o:p></span></p>
</td>
</tr>
<tr style=3D'mso-yfti-irow:6'>
<td style=3D'padding:0cm 0cm 0cm 0cm'>
<p class=3DMsoNormal><span style=3D'font-size:9.0pt;color:#3366FF'>૤=
0;意：</span><span
lang=3DEN-US style=3D'font-size:9.0pt;color:black'><o:p></o:p></span></p>
</td>
<td style=3D'padding:0cm 0cm 0cm 0cm'>
<p class=3DMsoNormal><span lang=3DEN-US style=3D'font-size:9.0pt;color:bl=
ack'> <o:p></o:p></span></p>
</td>
</tr>
<tr style=3D'mso-yfti-irow:7'>
<td style=3D'padding:0cm 0cm 0cm 0cm'>
<p class=3DMsoNormal><span lang=3DEN-US style=3D'font-size:9.0pt;color:bl=
ack'> <o:p></o:p></span></p>
</td>
<td style=3D'padding:0cm 0cm 0cm 0cm'>
<p class=3DMsoNormal><span style=3D'font-size:9.0pt;color:black'>需=
要<span
lang=3DEN-US> string.h<o:p></o:p></span></span></p>
</td>
</tr>
<tr style=3D'mso-yfti-irow:8'>
<td style=3D'padding:0cm 0cm 0cm 0cm'>
<p class=3DMsoNormal><span style=3D'font-size:9.0pt;color:#3366FF'>଎=
4;程序：</span><span
lang=3DEN-US style=3D'font-size:9.0pt;color:black'><o:p></o:p></span></p>
</td>
<td width=3D"88%" style=3D'width:88.0%;padding:0cm 0cm 0cm 0cm'>
<p class=3DMsoNormal><span lang=3DEN-US style=3D'font-size:9.0pt;color:bl=
ack'> <o:p></o:p></span></p>
</td>
</tr>
<tr style=3D'mso-yfti-irow:9;mso-yfti-lastrow:yes'>
<td style=3D'padding:0cm 0cm 0cm 0cm'>
<p class=3DMsoNormal><span lang=3DEN-US style=3D'font-size:9.0pt;color:bl=
ack'> <o:p></o:p></span></p>
</td>
<td style=3D'padding:0cm 0cm 0cm 0cm'>
<p class=3DMsoNormal><span lang=3DEN-US style=3D'font-size:9.0pt;color:bl=
ue'>void</span><span
lang=3DEN-US style=3D'font-size:9.0pt;color:black'> mult(</span><span lan=
g=3DEN-US
style=3D'font-size:9.0pt;color:blue'>char</span><span lang=3DEN-US
style=3D'font-size:9.0pt;color:black'> c[],</span><span lang=3DEN-US
style=3D'font-size:9.0pt;color:blue'>char</span><span lang=3DEN-US
style=3D'font-size:9.0pt;color:black'> t[],</span><span lang=3DEN-US
style=3D'font-size:9.0pt;color:blue'>int</span><span lang=3DEN-US
style=3D'font-size:9.0pt;color:black'> m)<br>
{<br>
</span><span lang=3DEN-US style=3D'font-size:9.0p=
t;
color:blue'>int</span><span lang=3DEN-US style=3D'font-size:9.0pt;color:b=
lack'>
i,l,k,flag,add=3D0;<br>
</span><span lang=3DEN-US style=3D'font-size:9.0p=
t;
color:blue'>char</span><span lang=3DEN-US style=3D'font-size:9.0pt;color:=
black'>
s[100];<br>
l=3Dstrlen(c);<br>
</span><span lang=3DEN-US style=3D'font-size:9.0p=
t;
color:blue'>for</span><span lang=3DEN-US style=3D'font-size:9.0pt;color:b=
lack'>
(i=3D0;i<l;i++)<br>
s[l-i-1]=3Dc[i]-'0'; <o:p=
></o:p></span></p>
<p><span lang=3DEN-US style=3D'font-size:9.0pt;color:black'> &=
nbsp; </span><span
lang=3DEN-US style=3D'font-size:9.0pt;color:blue'>for</span><span lang=3D=
EN-US
style=3D'font-size:9.0pt;color:black'> (i=3D0;i<l;i++)<br>
{<br>
k=3Ds[i=
]*m+add;<br>
</span>=
<span
lang=3DEN-US style=3D'font-size:9.0pt;color:blue'>if</span><span lang=3DE=
N-US
style=3D'font-size:9.0pt;color:black'> (k>=3D10) {s[i]=3Dk%10;add=3Dk/=
10;flag=3D1;} </span><span
lang=3DEN-US style=3D'font-size:9.0pt;color:blue'>else</span><span lang=
=3DEN-US
style=3D'font-size:9.0pt;color:black'> {s[i]=3Dk;flag=3D0;add=3D0;}<br>
}<br>
</span><span lang=3DEN-US style=3D'font-size:9.0p=
t;
color:blue'>if</span><span lang=3DEN-US style=3D'font-size:9.0pt;color:bl=
ack'>
(flag) {l=3Di+1;s[i]=3Dadd;} </span><span lang=3DEN-US style=3D'font-size=
:9.0pt;
color:blue'>else</span><span lang=3DEN-US style=3D'font-size:9.0pt;color:=
black'>
l=3Di;<o:p></o:p></span></p>
<p><span lang=3DEN-US style=3D'font-size:9.0pt;color:black'> &=
nbsp; </span><span
lang=3DEN-US style=3D'font-size:9.0pt;color:blue'>for</span><span lang=3D=
EN-US
style=3D'font-size:9.0pt;color:black'> (i=3D0;i<l;i++)<br>
t[l-1-i]=3Ds[i]+'0';<br>
t[l]=3D'\0';<br>
}<o:p></o:p></span></p>
</td>
</tr>
</table>
</div>
<p class=3DMsoNormal><span lang=3DEN-US style=3D'font-size:9.0pt;color:blac=
k'><o:p> </o:p></span></p>
<p><a name=3D3></a><span lang=3DEN-US style=3D'font-size:9.0pt;color:black'=
>3.精度计算——乘法（&#=
22823;数乘大数）<o:p></o:p></span></p>
<div align=3Dcenter>
<table class=3DMsoNormalTable border=3D0 cellspacing=3D5 cellpadding=3D0 wi=
dth=3D"80%"
style=3D'width:80.0%;mso-cellspacing:3.7pt;mso-padding-alt:0cm 0cm 0cm 0cm=
'>
<tr style=3D'mso-yfti-irow:0'>
<td colspan=3D2 style=3D'padding:0cm 0cm 0cm 0cm'>
<p class=3DMsoNormal><span style=3D'font-size:9.0pt;color:#3366FF'>෾=
1;法：</span><span
lang=3DEN-US style=3D'font-size:9.0pt;color:black'>mult(</span><span lang=
=3DEN-US
style=3D'font-size:9.0pt;color:blue'>char</span><span lang=3DEN-US
style=3D'font-size:9.0pt;color:black'> a[],</span><span lang=3DEN-US
style=3D'font-size:9.0pt;color:blue'>char</span><span lang=3DEN-US
style=3D'font-size:9.0pt;color:black'> b[],</span><span lang=3DEN-US
style=3D'font-size:9.0pt;color:blue'>char</span><span lang=3DEN-US
style=3D'font-size:9.0pt;color:black'> s[]);<o:p></o:p></span></p>
</td>
</tr>
<tr style=3D'mso-yfti-irow:1'>
<td colspan=3D2 style=3D'padding:0cm 0cm 0cm 0cm'>
<p class=3DMsoNormal><span style=3D'font-size:9.0pt;color:#3366FF'>ࡠ=
2;数：</span><span
lang=3DEN-US style=3D'font-size:9.0pt;color:black'><o:p></o:p></span></p>
</td>
</tr>
<tr style=3D'mso-yfti-irow:2'>
<td width=3D"12%" style=3D'width:12.0%;padding:0cm 0cm 0cm 0cm'>
<p class=3DMsoNormal align=3Dright style=3D'text-align:right'><span lang=
=3DEN-US
style=3D'font-size:9.0pt;color:black'>a[]：<o:p></o:p></span></p>
</td>
<td style=3D'padding:0cm 0cm 0cm 0cm'>
<p class=3DMsoNormal><span style=3D'font-size:9.0pt;color:black'>被=
乘数，用字符串表示=
5292;位数不限<span
lang=3DEN-US><o:p></o:p></span></span></p>
</td>
</tr>
<tr style=3D'mso-yfti-irow:3'>
<td style=3D'padding:0cm 0cm 0cm 0cm'>
<p class=3DMsoNormal align=3Dright style=3D'text-align:right'><span lang=
=3DEN-US
style=3D'font-size:9.0pt;color:black'>b[]：<o:p></o:p></span></p>
</td>
<td style=3D'padding:0cm 0cm 0cm 0cm'>
<p class=3DMsoNormal><span style=3D'font-size:9.0pt;color:black'>乘=
数，用字符串表示，=
0301;数不限<span
lang=3DEN-US><o:p></o:p></span></span></p>
</td>
</tr>
<tr style=3D'mso-yfti-irow:4'>
<td style=3D'padding:0cm 0cm 0cm 0cm'>
<p class=3DMsoNormal align=3Dright style=3D'text-align:right'><span lang=
=3DEN-US
style=3D'font-size:9.0pt;color:black'>t[]：<o:p></o:p></span></p>
</td>
<td style=3D'padding:0cm 0cm 0cm 0cm'>
<p class=3DMsoNormal><span style=3D'font-size:9.0pt;color:black'>结=
果，用字符串表示<span
lang=3DEN-US><o:p></o:p></span></span></p>
</td>
</tr>
<tr style=3D'mso-yfti-irow:5'>
<td style=3D'padding:0cm 0cm 0cm 0cm'>
<p class=3DMsoNormal align=3Dright style=3D'text-align:right'><span
style=3D'font-size:9.0pt;color:black'>返回值：<sp=
an
lang=3DEN-US><o:p></o:p></span></span></p>
</td>
<td width=3D"88%" style=3D'width:88.0%;padding:0cm 0cm 0cm 0cm'>
<p class=3DMsoNormal><span lang=3DEN-US style=3D'font-size:9.0pt;color:bl=
ack'>null<o:p></o:p></span></p>
</td>
</tr>
<tr style=3D'mso-yfti-irow:6'>
<td style=3D'padding:0cm 0cm 0cm 0cm'>
<p class=3DMsoNormal><span style=3D'font-size:9.0pt;color:#3366FF'>૤=
0;意：</span><span
lang=3DEN-US style=3D'font-size:9.0pt;color:black'><o:p></o:p></span></p>
</td>
<td style=3D'padding:0cm 0cm 0cm 0cm'>
<p class=3DMsoNormal><span lang=3DEN-US style=3D'font-size:9.0pt;color:bl=
ack'> <o:p></o:p></span></p>
</td>
</tr>
<tr style=3D'mso-yfti-irow:7'>
<td style=3D'padding:0cm 0cm 0cm 0cm'>
<p class=3DMsoNormal><span lang=3DEN-US style=3D'font-size:9.0pt;color:bl=
ack'> <o:p></o:p></span></p>
</td>
<td style=3D'padding:0cm 0cm 0cm 0cm'>
<p class=3DMsoNormal><span style=3D'font-size:9.0pt;color:black'>空=
间复杂度为<span
lang=3DEN-US> o(n^2)<o:p></o:p></span></span></p>
</td>
</tr>
<tr style=3D'mso-yfti-irow:8'>
<td style=3D'padding:0cm 0cm 0cm 0cm'>
<p class=3DMsoNormal><span lang=3DEN-US style=3D'font-size:9.0pt;color:bl=
ack'> <o:p></o:p></span></p>
</td>
<td style=3D'padding:0cm 0cm 0cm 0cm'>
<p class=3DMsoNormal><span style=3D'font-size:9.0pt;color:black'>需=
要<span
lang=3DEN-US> string.h<o:p></o:p></span></span></p>
</td>
</tr>
<tr style=3D'mso-yfti-irow:9'>
<td style=3D'padding:0cm 0cm 0cm 0cm'>
<p class=3DMsoNormal><span style=3D'font-size:9.0pt;color:#3366FF'>଎=
4;程序：</span><span
lang=3DEN-US style=3D'font-size:9.0pt;color:black'><o:p></o:p></span></p>
</td>
<td width=3D"88%" style=3D'width:88.0%;padding:0cm 0cm 0cm 0cm'>
<p class=3DMsoNormal><span lang=3DEN-US style=3D'font-size:9.0pt;color:bl=
ack'> <o:p></o:p></span></p>
</td>
</tr>
<tr style=3D'mso-yfti-irow:10;mso-yfti-lastrow:yes'>
<td style=3D'padding:0cm 0cm 0cm 0cm'>
<p class=3DMsoNormal><span lang=3DEN-US style=3D'font-size:9.0pt;color:bl=
ack'> <o:p></o:p></span></p>
</td>
<td style=3D'padding:0cm 0cm 0cm 0cm'>
<p class=3DMsoNormal><span lang=3DEN-US style=3D'font-size:9.0pt;color:bl=
ue'>void</span><span
lang=3DEN-US style=3D'font-size:9.0pt;color:black'> mult(</span><span lan=
g=3DEN-US
style=3D'font-size:9.0pt;color:blue'>char</span><span lang=3DEN-US
style=3D'font-size:9.0pt;color:black'> a[],</span><span lang=3DEN-US
style=3D'font-size:9.0pt;color:blue'>char</span><span lang=3DEN-US
style=3D'font-size:9.0pt;color:black'> b[],</span><span lang=3DEN-US
style=3D'font-size:9.0pt;color:blue'>char</span><span lang=3DEN-US
style=3D'font-size:9.0pt;color:black'> s[])<br>
{<br>
</span><span lang=3DEN-US style=3D'font-size:9.0p=
t;
color:blue'>int</span><span lang=3DEN-US style=3D'font-size:9.0pt;color:b=
lack'> i,j,k=3D0,alen,blen,sum=3D0,res[65][65]=3D{0},flag=3D0;<br>
</span><span lang=3DEN-US style=3D'font-size:9.0p=
t;
color:blue'>char</span><span lang=3DEN-US style=3D'font-size:9.0pt;color:=
black'>
result[65];<br>
alen=3Dstrlen(a);blen=3Dstrlen(b); <o:p></o:p></s=
pan></p>
<p><span lang=3DEN-US style=3D'font-size:9.0pt;color:black'> &=
nbsp; </span><span
lang=3DEN-US style=3D'font-size:9.0pt;color:blue'>for</span><span lang=3D=
EN-US
style=3D'font-size:9.0pt;color:black'> (i=3D0;i<alen;i++)<br>
</span><span lang=3DEN-US style=3D'font-size:9.0p=
t;
color:blue'>for</span><span lang=3DEN-US style=3D'font-size:9.0pt;color:b=
lack'>
(j=3D0;j<blen;j++) res[i][j]=3D(a[i]-'0')*(b[j]-'0');<o:p></o:p></span=
></p>
<p><span lang=3DEN-US style=3D'font-size:9.0pt;color:black'> &=
nbsp; </span><span
lang=3DEN-US style=3D'font-size:9.0pt;color:blue'>for</span><span lang=3D=
EN-US
style=3D'font-size:9.0pt;color:black'> (i=3Dalen-1;i>=3D0;i--)<br>
{<br>
<=
/span><span
lang=3DEN-US style=3D'font-size:9.0pt;color:blue'>for</span><span lang=3D=
EN-US
style=3D'font-size:9.0pt;color:black'> (j=3Dblen-1;j>=3D0;j--)
sum=3Dsum+res[i+blen-j-1][j];<br>
r=
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