WA in STFOOD. Please help

1

#include
using namespace std;

int max(int arr[], int c)
{
int i=0;
int max=arr[i];

for(i=1;i<c;i++)
{
    if(arr[i]>max)
    max=arr[i];
}
return max;

}

int main()
{
int t;
cin>>t;

while(t--)
{
    int n;
    cin>>n;
    
    int c=n;
    
    int arr[c]={0};
    int i=0;
    
    
   while(n--)
    {
        int s,v,p;
        
        cin>>s>>v>>p;
        
        int k=(p/(s+1))*v;
        
        arr[i++]=k;
      
    }
   
   
    int result=max(arr,c);
    cout<<result<<endl;
}

}