Use javascript to realize whether the given sequence of boxes can be connected into a rectangle_javascript skills

by cpglkg

<script><br>var arr=[5,10,15];<br><br><br>function rect(arr,width)<br>{<br>   arr.sort(function(a,b){return a-b;});<br>   var len = arr.length;<br>   var temp = arr[0];<br>   var w = null;<br>   var h = null;<br>   for(var i = 0; i < len; i )<BR>   {<BR>       if((temp i) != arr[i])<BR>       {<BR>           w = i;<BR>           if (len % w != 0)<BR>               return false;<BR>           h = len/w;<BR>           break;<BR>       }<BR>   }<BR>   var r = width - w;<BR>   temp = r;<BR>   for(var i = w; i < len; i )<BR>   {<BR>       if(arr[i] != temp i)<BR>       {<BR>           temp = r;<BR>           if(arr[i] != temp i)<BR>           {<BR>               return false;<BR>           }<BR>       }<BR>   }<br><br>   return true;<BR>}<BR>alert(rect(arr,6));<BR></script>

by 无殇

<script><br>var rows=6;<br>function ch(array){<br>array=array.sort(function(a,b){return a-b;})<br>var n,c=0;<br>for(var i=1;i<array.length;i )<BR>if(array[i]-array[i-1]==1)<BR>c ;<BR>else<BR>break;<BR>if(array.length%(c 1)!=0)return false;<BR>for(var i=1;i<array.length;i )<BR>{<BR>n=array[i]-array[i-1];<BR>if(n!=1 && n c!=rows)<BR>return false;<BR>}<BR>return true;<BR>}<BR>alert(ch([1,2,3]))<BR>alert(ch([5,6,11,12,17,18,23,24]))<BR>alert(ch([19,25,31]))<BR>alert(ch([1,2,3,4,7,8]))<BR></script>

by 秦皇也爱JS  

<script><br>  var arr = [5,10,15];<br>  var width = 6;  <br><br>  arr = arr.sort(function(a,b){ return a-b});<br>  var row = Math.ceil((arr[arr.length-1]-arr[0] 1)/width);<br>  var col = Math.floor(arr.length / row);<br><br>  check();<br>  function check(){<br>    for(var i=0;i<arr.length-1;i ){<BR>      if(arr[i 1] - arr[i] !=1 && i%col!=col-1 || i%col==col-1 && arr[i 1] - arr[i] != width-col 1){<BR>        alert(false);<BR>        return;<BR>      }<BR>    }<BR>    alert(true);<BR>  }<BR> </script>