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maxProduct.html
42 lines (34 loc) · 1.05 KB
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maxProduct.html
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<!DOCTYPE html>
<html>
<head>
<title>Max Product Sub Array </title>
<script type="text/javascript">
function maxProduct(nums) {
var max = [], min = [];
max[0] = min[0] = nums[0];
var result = nums[0];
var minResult = nums[0];
for(var i=1; i<nums.length; i++){
if(nums[i] > 0){
max[i]=Math.max(nums[i], max[i-1]*nums[i]);
//console.log(111, nums[i], max[i-1]*nums[i]);
min[i]=Math.min(nums[i], min[i-1]*nums[i]);
//console.log(222, nums[i], min[i-1]*nums[i]);
}else{
max[i]=Math.max(nums[i], min[i-1]*nums[i]);
//console.log(333, nums[i], min[i-1]*nums[i]);
min[i]=Math.min(nums[i], max[i-1]*nums[i]);
//console.log(444, nums[i], max[i-1]*nums[i]);
}
result = Math.max(result, max[i]);
minResult = Math.min(result, min[i]);
}
console.log(result, minResult);
}
var arr = [-1, -2, 10, -10];
maxProduct(arr);
</script>
</head>
<body>
</body>
</html>