Container With Most Water

gistfile1.txt

var maxArea = function(height) {
    let pointer1, pointer2;
    let sum = 0;
    let length = height.length
    let calculate = (pointer1, pointer2) => {
        if(height[pointer1] === 0 || height[pointer2] === 0)
            return 0
        return Math.min(height[pointer1], height[pointer2]) * Math.abs(pointer2 - pointer1) || 1;
    }
    const end = length - 1;
    let lastIndex = 0;
    for(let i = 0; i < length; i++) {
        pointer1 = lastIndex
        pointer2 = end - i;
        if(pointer1 >= pointer2)
            return sum;
        while (pointer1 < pointer2) {
            if(end > pointer2 && height[pointer2 + 1] >= height[pointer2])
                break;
            
            calculation = calculate(pointer1, pointer2)
            if(height[pointer1] === height[pointer2]) {
                if(calculation > sum)
                    sum = calculation
                  lastIndex = pointer1;
                break;
            } else if(calculation > sum) {
                sum = calculation
                lastIndex = pointer1;
            } else if(height[pointer1 - 1] >= height[pointer2]) 
                break;
            
            pointer1++;
        }
    }
    return sum;
}