// Fucntion to calculate min of values a and b

int min(int a, int b) { return ((a < b) ? a : b); }

// Two pointer approach to find maximum container area

int maxArea(int *height, int heightSize)

{

// Start with maximum container width

int start = 0;

int end = heightSize - 1;

int res = 0;

while (start < end)

{

// Calculate current area by taking minimum of two heights

int currArea = (end - start) * min(height[start], height[end]);

if (currArea > res)

res = currArea;

if (height[start] < height[end])

start = start + 1;

else

end = end - 1;

}

return res;

}