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maxpro.cpp
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36 lines (36 loc) · 757 Bytes
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#include<iostream>
using namespace std;
int maxprosub(int a[],int n)
{
int max_pro_sofar=1;
int min_pro_sofar=1;
int maxi=0;
for(int i=0;i<n;i++)
{
if(a[i]>0)
{
max_pro_sofar=max_pro_sofar*a[i];
min_pro_sofar=min(1,min_pro_sofar*a[i]);
}
else if(a[i]==0)
{
max_pro_sofar=1;
min_pro_sofar=1;
}
else
{
int temp=min_pro_sofar;
min_pro_sofar=max_pro_sofar*a[i];
max_pro_sofar=max(temp*a[i],1);
}
maxi=max(maxi,max_pro_sofar);
}
return maxi;
}
int main()
{
int arr[]={2,3,-2,4};
int n=sizeof(arr)/sizeof(arr[0]);
cout<<maxprosub(arr,n)<<endl;
return 0;
}