Not passing all test cases

#1

#include
#include
using namespace std;

int main()
{
long long n=0;
cin>>n;
int a[1000000]={0};
int maxleft[1000000]={0};

int max1=0;

for(int i=0;i<n;i++)
{
	cin>>a[i];
	max1=max(a[i],max1);
	maxleft[i]=max1;
}
max1=0;
int maxright[1000000]={0};

for(int i=n-1;i>=0;i--)
{
	max1=max(a[i],max1);
	maxright[i]=max1;
}
int watersum=0;
for(int i=0;i<n;i++)
{
	watersum+=(min(maxleft[i],maxright[i])) - a[i];
}
cout<<watersum;

}

#2

hello @anasmir24
your logic is correct.
change datatype of water sum to long long and submit again

#3

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