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- #include <iostream>
- using namespace std;
- int main() {
- int i,j,t,n;
- int mod=1000000007;
- cin>>t;
- while(t--)
- {
- cin>>n;
- int a[n];
- for(i=0;i<n;i++)cin>>a[i];
- int mx=a[0],mn=a[0],r=a[0];
- for(i=1;i<n;i++)
- {
- if(a[i]<0)swap(mx,mn);
- mx=max(a[i],a[i]*mx);
- mn=min(a[i],mn*a[i]);
- mx%=mod;
- mn%=mod;
- r=max(r,mx);
- }
- cout<<r<<endl;
- }
- return 0;
- }
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