You are given an array of integers in an arbitrary order. Return whether or not it is possible to make the array non-decreasing by modifying at most 1 element to any value.

couldBeMadeNonDecreasing.ts

const couldBeMadeNonDecreasing = (arr:number[]):Boolean => {
    let decreasingPairs = 0
    for(let i in arr){
        if(arr[i] > arr[+i+1]){
            decreasingPairs++
        }
    }
    return decreasingPairs <= 1
}