24時javascript自動計算

3942 ワード

JavaScript 24時

オンラインで24時計算します
入る前に、この24点は自分で計算してみてください.
3 3 8
計算できるのは決して一般人ではないです.

<!Doctype html><html>
<head>
<title>24    </title>
<meta name="viewport" content="initial-scale=1" />
<META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=utf-8">
<SCRIPT LANGUAGE="javaScript" >
//copyright sliang 1999.2.11 ,

//2016.2.21   

var O=[
	{name:"-",f:function(m,n){return m-n}}
	,{name:"+",f:function(m,n){return m+n}}
	,{name:"/",f:function(m,n){return m/n}}
	,{name:"*",f:function(m,n){return m*n}}
	]

function valid(F){
	var s=F.a.value.replace(/^\D+|\D+$/g,"").split(/\D+/g)
	if (s.length!=4){alert("    4   ！");    F.a.focus();    return false}
	//     
	if (s.join(" ")!=F.a.value) F.a.value=s.join(" ")

	var b=[] //       b[1] b[2] b[4] b[8] 
	for(var i in s)
  	b[1<<i]=parseInt(s[i])

	var n=F.count1.options[F.count1.selectedIndex].value; //        
	var	k=0 //        
	var	result={} //         ,    
	F.text.value="";

//    ,      true
var writeResult=function (s){
	//          
 s=s.replace("%",O[f1].name).replace("%",O[f2].name).replace("%",O[f3].name)
 s=s.replace("N",b[i1]).replace("N",b[i2]).replace("N",b[i3]).replace("N",b[i4])
 if(result[s]) return //     
 result[s]=1 //  
 F.text.value+=s+"
";
 
 return ++k>=n
}


for (var i1=1;i1<=8;i1<<=1)
 for (var i2=1;i2<=8;i2<<=1)
   for (var i3=1;i3<=8;i3<<=1)
     for (var i4=1;i4<=8;i4<<=1){
     	//        ，        
        if ((i1|i2|i3|i4)!=0xf) continue;
          for (var f1=0;f1<=3;f1++)
            for (var f2=0;f2<=3;f2++)
              for (var f3=0;f3<=3;f3++){
                  	var of1=O[f1],of2=O[f2],of3=O[f3];
										// ((1,2)3)4
										var m=of3.f(of2.f(of1.f(b[i1],b[i2]) ,b[i3] ) ,b[i4]);
										if (Math.abs(m-24)<1e-5 ) 
										  if(writeResult("((N%N)%N)%N"))  return false
											
										
										// 1((2,3)4)
										m=of1.f(b[i1], of3.f(of2.f(b[i2],b[i3]) ,b[i4]) );
										if (Math.abs(m-24)<1e-5)
										 if(writeResult("N%((N%N)%N)"))   return false
										  
										
										//  (1(2,3))4
										m=of3.f(of1.f(b[i1], of2.f(b[i2],b[i3]) ),b[i4]);
										if (Math.abs(m-24)<1e-5)
										 if(writeResult("(N%(N%N))%N"))     return false
										
										//1(2(3,4))
										m=of1.f(b[i1], of2.f(b[i2], of3.f( b[i3], b[i4]) ) );
										if (Math.abs(m-24)<1e-5)
										 if(writeResult("N%(N%(N%N))"))     return false
										
										
										//(1,2)(3,4)
										m=of2.f(of1.f(b[i1],b[i2]), of3.f(b[i3],b[i4]) );
										if (Math.abs(m-24)<1e-5)
										 if(writeResult("(N%N)%(N%N)"))     return false


	          	}
     }
F.text.value+="----END----
"
return false
}

</SCRIPT>
</head>
<BODY bgcolor=#D5E6E1 LINK="#0000ff" VLINK="#0000FF" >
<font color=red size=+3>24    </font>
<HR>
<FORM onsubmit="return valid(this)">

           ：<BR>
<INPUT TYPE="text" NAME="a"  size=20 value="3 3 8 8">


<SELECT NAME="count1" > 
<OPTION VALUE="1" selected=on>       
<OPTION VALUE="5" >    5 
<OPTION VALUE=10 >    10 
<OPTION VALUE=999 >      
</select>
<BR>
 <INPUT TYPE=submit  VALUE="  24 "><BR>
<HR>
<TEXTAREA NAME="text" ROWS="15" COLS="30"></TEXTAREA>
</FORM>
<HR>
<FORM><INPUT TYPE="button"  VALUE="  " onClick="history.back()"></FORM>

</body>
</html>

javascript関数の呼び出し