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<td width="100%">您的位置：<a href="../">首页</a>-> <a href="index.htm">编程文档</a>-> <a href="7_1.htm">Script</a>-> 24点终结者(javascript)</td>
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<font color="#004fc6"><b>24点终结者(javascript)</b></font></td>
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<p align="center"><B>作者</B>：未知 <B>来源</B>：未知 <B>加入时间</B>：2005-2-28 月光软件站</td>
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<td width="100%" valign="top"><SCRIPT language=javaScript>
function tdisoper(f0,f1,f2,f3)
{
this[0]=f0;
this[1]=f1;
this[2]=f2;
this[3]=f3;
}
disoper=new tdisoper("-","+","/","*");
function oper(f,m,n)
{
if (f==3) return(m*n);
if (f==2) return(m/n);
if (f==1) return(parseFloat(m)+parseFloat(n));
if (f==0) return(m-n);
}
function tb(i1,i2,i4,i8)
{
this[1]=i1;
this[2]=i2;
this[4]=i4;
this[8]=i8;
}
function valid(F)
{
n=F.count1.options[F.count1.selectedIndex].value;
if (isNaN(F.a1.value)){alert("必须输入整数！"); F.a1.focus(); return(false);}
if (isNaN(F.a2.value)){alert("必须输入整数！"); F.a2.focus(); return(false);}
if (isNaN(F.a4.value)){alert("必须输入整数！"); F.a4.focus(); return(false);}
if (isNaN(F.a8.value)){alert("必须输入整数！"); F.a8.focus(); return(false);}
b=new tb(F.a1.value,F.a2.value,F.a4.value,F.a8.value);
k=0;
F.text.value="";
for (i1=1;i1<=8;i1*=2)
for (i2=1;i2<=8;i2*=2)
for (i3=1;i3<=8;i3*=2)
for (i4=1;i4<=8;i4*=2)
{
if ((i1|i2|i3|i4)!=0xf) continue;
for (f1=0;f1<=3;f1++)
for (f2=0;f2<=3;f2++)
for (f3=0;f3<=3;f3++)
{
m=oper(f3,oper(f2,oper(f1,b[i1],b[i2]) ,b[i3] ) ,b[i4]);
if (Math.abs(m-24)<1e-5 ) {
F.text.value=F.text.value+"(("+b[i1]+disoper[f1]+b[i2]+")"+disoper[f2]+b[i3]+")"+disoper[f3]+b[i4]+"\n";
if ((n!=0)&&(++k>=n)) return(false);
}
m=oper(f1, b[i1], oper(f3, oper(f2,b[i2],b[i3]) ,b[i4]) );
if (Math.abs(m-24)<1e-5){
F.text.value=F.text.value+b[i1]+disoper[f1]+"(("+b[i2]+disoper[f2]+b[i3]+")"+disoper[f3]+b[i4]+")\n";
if ((n!=0)&&(++k>=n)) return(false);
}
m=oper(f3,oper(f1,b[i1], oper(f2,b[i2],b[i3]) ),b[i4]);
if (Math.abs(m-24)<1e-5){
F.text.value=F.text.value+"("+b[i1]+disoper[f1]+"("+b[i2]+disoper[f2]+b[i3]+"))"+disoper[f3]+b[i4]+"\n";
if ((n!=0)&&(++k>=n)) return(false);
}
m=oper(f1, b[i1], oper(f2, b[i2], oper(f3, b[i3], b[i4]) ) );
if (Math.abs(m-24)<1e-5){
F.text.value=F.text.value+b[i1]+disoper[f1]+"("+b[i2]+disoper[f2]+"("+b[i3]+disoper[f3]+b[i4]+"))\n";
if ((n!=0)&&(++k>=n)) return(false);
}
m=oper(f2,oper(f1,b[i1],b[i2]), oper(f3,b[i3],b[i4]) );
if (Math.abs(m-24)<1e-5){
F.text.value=F.text.value+"("+b[i1]+disoper[f1]+b[i2]+")"+disoper[f2]+"("+b[i3]+disoper[f3]+b[i4]+")\n";
if ((n!=0)&&(++k>=n)) return(false);
}
}
}
F.text.value=F.text.value+"----END----\n"
return(false);
}
function newin(s,target,ww,hh)
{ window.open(s,target,"menubar=0,resizable=1,scrollbars=1,width="+ww+",height="+hh)}
</SCRIPT>
<FORM onsubmit="return valid(this)">请输入四个整数：<BR><INPUT maxLength=6 name=a1 size=5> <INPUT maxLength=6 name=a2 size=5> <INPUT maxLength=6 name=a4 size=5> <INPUT maxLength=6 name=a8 size=5> <SELECT name=count1> <OPTION selected value=1>只找一个答案<OPTION value=5>最多找5个<OPTION value=10>最多找10个<OPTION value=0>找全部答案</OPTION></SELECT> <BR><INPUT type=submit value=计算24点><BR>
<HR>
<TEXTAREA cols=30 name=text rows=15></TEXTAREA> </FORM>
<HR>
<FORM><INPUT onclick=history.back() type=button value=返回></FORM>
<P><A onclick="document.all.source11.style.display='block'" style="CURSOR: hand" title=点击显示源码>源码</A>
<DIV id=source11 style="BACKGROUND-COLOR: #ffffff; DISPLAY: none">
<P><SCRIPT LANGUAGE="javaScript" ><BR>function tdisoper(f0,f1,f2,f3)<BR>{<BR>this[0]=f0;<BR>this[1]=f1;<BR>this[2]=f2;<BR>this[3]=f3;<BR>}<BR>disoper=new tdisoper("-","+","/","*");</P>
<P>function oper(f,m,n)<BR>{<BR>if (f==3) return(m*n);<BR>if (f==2) return(m/n);<BR>if (f==1) return(parseFloat(m)+parseFloat(n));<BR>if (f==0) return(m-n);<BR>}</P>
<P>function tb(i1,i2,i4,i8)<BR>{<BR>this[1]=i1;<BR>this[2]=i2;<BR>this[4]=i4;<BR>this[8]=i8;<BR>}</P>
<P>function valid(F)<BR>{<BR>n=F.count1.options[F.count1.selectedIndex].value;<BR>if (isNaN(F.a1.value)){alert("必须输入整数！"); F.a1.focus(); return(false);}<BR>if (isNaN(F.a2.value)){alert("必须输入整数！"); F.a2.focus(); return(false);}<BR>if (isNaN(F.a4.value)){alert("必须输入整数！"); F.a4.focus(); return(false);}<BR>if (isNaN(F.a8.value)){alert("必须输入整数！"); F.a8.focus(); return(false);}<BR>b=new tb(F.a1.value,F.a2.value,F.a4.value,F.a8.value);<BR>k=0;<BR>F.text.value="";</P>
<P>for (i1=1;i1<=8;i1*=2)<BR> for (i2=1;i2<=8;i2*=2)<BR> for (i3=1;i3<=8;i3*=2)<BR> for (i4=1;i4<=8;i4*=2)<BR> {<BR> if ((i1|i2|i3|i4)!=0xf) continue;<BR> for (f1=0;f1<=3;f1++)<BR> for (f2=0;f2<=3;f2++)<BR> for (f3=0;f3<=3;f3++)<BR> {<BR>m=oper(f3,oper(f2,oper(f1,b[i1],b[i2]) ,b[i3] ) ,b[i4]);<BR> if (Math.abs(m-24)<1e-5 ) {<BR> F.text.value=F.text.value+"(("+b[i1]+disoper[f1]+b[i2]+")"+disoper[f2]+b[i3]+")"+disoper[f3]+b[i4]+"\n";<BR> if ((n!=0)&&(++k>=n)) return(false);<BR>}<BR>m=oper(f1, b[i1], oper(f3, oper(f2,b[i2],b[i3]) ,b[i4]) );<BR> if (Math.abs(m-24)<1e-5){<BR> F.text.value=F.text.value+b[i1]+disoper[f1]+"(("+b[i2]+disoper[f2]+b[i3]+")"+disoper[f3]+b[i4]+")\n";<BR> if ((n!=0)&&(++k>=n)) return(false);<BR>}</P>
<P>m=oper(f3,oper(f1,b[i1], oper(f2,b[i2],b[i3]) ),b[i4]);<BR> if (Math.abs(m-24)<1e-5){<BR> F.text.value=F.text.value+"("+b[i1]+disoper[f1]+"("+b[i2]+disoper[f2]+b[i3]+"))"+disoper[f3]+b[i4]+"\n";<BR> if ((n!=0)&&(++k>=n)) return(false);<BR>}</P>
<P>m=oper(f1, b[i1], oper(f2, b[i2], oper(f3, b[i3], b[i4]) ) );<BR> if (Math.abs(m-24)<1e-5){<BR> F.text.value=F.text.value+b[i1]+disoper[f1]+"("+b[i2]+disoper[f2]+"("+b[i3]+disoper[f3]+b[i4]+"))\n";<BR> if ((n!=0)&&(++k>=n)) return(false);<BR>}</P>
<P>m=oper(f2,oper(f1,b[i1],b[i2]), oper(f3,b[i3],b[i4]) );<BR> if (Math.abs(m-24)<1e-5){<BR> F.text.value=F.text.value+"("+b[i1]+disoper[f1]+b[i2]+")"+disoper[f2]+"("+b[i3]+disoper[f3]+b[i4]+")\n";<BR> if ((n!=0)&&(++k>=n)) return(false);<BR>}</P>
<P><BR> }<BR> }<BR>F.text.value=F.text.value+"----END----\n"<BR>return(false);<BR>}</P>
<P>function newin(s,target,ww,hh) <BR>{ window.open(s,target,"menubar=0,resizable=1,scrollbars=1,width="+ww+",height="+hh)}<BR></SCRIPT><BR><FORM onsubmit="return valid(this)"></P>
<P>请输入四个整数：<BR><BR><INPUT TYPE="text" NAME="a1" MAXLENGTH="6" size=5><BR><INPUT TYPE="text" NAME="a2" MAXLENGTH="6" size=5><BR><INPUT TYPE="text" NAME="a4" MAXLENGTH="6" size=5><BR><INPUT TYPE="text" NAME="a8" MAXLENGTH="6" size=5></P>
<P><SELECT NAME="count1" > <BR><OPTION VALUE="1" selected=on> 只找一个答案<BR><OPTION VALUE="5" > 最多找5个<BR><OPTION VALUE=10 > 最多找10个<BR><OPTION VALUE=0 > 找全部答案<BR></select><BR><BR><BR> <INPUT TYPE=submit VALUE="计算24点"><BR><BR><HR><BR><TEXTAREA NAME="text" ROWS="15" COLS="30"></TEXTAREA><BR></FORM><BR><HR><BR><FORM><INPUT TYPE="button" VALUE="返回" onClick="history.back()"></FORM></P>
<P> </P></DIV><img border="0" src="down_info.asp?id=2484" width="1" height="1"><br><br></td>
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