<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
</head>
<body>
</body>
<script type="text/javascript">
var arr =[1,2,3,4,5,6,7,8,9,0,8,5,5,4,3];
//创建一个数组
function findInArr(arr,n){
//循环数组中的每一项如果它的每一个i项与n相等就返回继续执行
for (var i=0;i<arr.length;i++){
if (arr[i] == n){
return true;
}
}
return false;
}
function removeDup(arr,s,e){
// 判断这个数组,的开始顺序,和这个数组是不是首项和尾项相等
if (s>e) {
return false;
} else if(s==e){
return [arr[s]];
}
// 将数组进行二分,找到中间项，将数组分为两部分
var c= Math.floor((s+e)/2);
var l = removeDup(arr,s,c);
var r = removeDup(arr,c + 1,e);
for (var i=0;i< r.length; i++) {
if (!findInArr(l,r[i])) {
l.push(r[i])
}
}
return l;
}
console.log(removeDup(arr,0,arr.length-1))
</script>
</html>Algorithms are a wonderful thing, and I hope we can communicate more with them.
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