Day2#2 solution

function isSafeRow(data: number[]) {
    let inc = 0,
        dec = 0
    for (let i = 0; i < data.length - 1; i++) {
        if (data[i] > data[i + 1]) dec++
        else if (data[i] < data[i + 1]) inc++

        if (Math.abs(data[i] - data[i + 1]) > 3) {
            return false
        }
    }

    const len = data.length - 1
    if (inc === len || dec === len || inc === len - 1 || dec === len - 1) {
        return true
    }

    return false
}

function getTotalSafeRow(arr: Array<number[]>) {
    let total = 0
    for (let i = 0; i < arr.length; i++) {
        if (isSafeRow(arr[i])) {
            total++
        }
    }

    return total
}