Source code
Revision control
Copy as Markdown
Other Tools
<html>
<head>
<script src="../htmlrunner.js"></script>
<script>
/* The Great Computer Language Shootout
contributed by Isaac Gouy */
function TreeNode(left,right,item){
this.left = left;
this.right = right;
this.item = item;
}
TreeNode.prototype.itemCheck = function(){
if (this.left==null) return this.item;
else return this.item + this.left.itemCheck() - this.right.itemCheck();
}
function bottomUpTree(item,depth){
if (depth>0){
return new TreeNode(
bottomUpTree(2*item-1, depth-1)
,bottomUpTree(2*item, depth-1)
,item
);
}
else {
return new TreeNode(null,null,item);
}
}
window.onload = function(){ startTest("sunspider-access-binary-trees", 'c1dfeea3');
var ret;
test( "Binary Trees", function(){
for ( var n = 4; n <= 5; n += 1 ) {
var minDepth = 4;
var maxDepth = Math.max(minDepth + 2, n);
var stretchDepth = maxDepth + 1;
var check = bottomUpTree(0,stretchDepth).itemCheck();
var longLivedTree = bottomUpTree(0,maxDepth);
for (var depth=minDepth; depth<=maxDepth; depth+=2){
var iterations = 1 << (maxDepth - depth + minDepth);
check = 0;
for (var i=1; i<=iterations; i++){
check += bottomUpTree(i,depth).itemCheck();
check += bottomUpTree(-i,depth).itemCheck();
}
}
ret = longLivedTree.itemCheck();
}
});
endTest(); };
</script>
</head>
<body></body>
</html>