function getNumberFromArray(array) {
let sum = 0;
array.forEach((element, index) => { sum += element * 10 ** (array.length - 1 - index)}) ;
return sum;
}
function checkCondition(lhsArray, rhsArray) {
const preposition1 = getNumberFromArray(lhsArray.slice(0,1)) * getNumberFromArray(lhsArray.slice(1,lhsArray.length)) === getNumberFromArray(rhsArray);
const preposition2 = getNumberFromArray(lhsArray.slice(0,2)) * getNumberFromArray(lhsArray.slice(2,lhsArray.length)) === getNumberFromArray(rhsArray);
return preposition1 || preposition2;
// return true;
}
// console.log(checkCondition([3,9,1,8,6], [7,2,5,4]))
function checkPalindrome(toUseArray, lhsArray, rhsArray) {
if (toUseArray.length === 0) {
if (checkCondition(lhsArray, rhsArray)) {
console.log(lhsArray + ' ' + rhsArray);
}
return checkCondition(lhsArray, rhsArray)
} else {
if (rhsArray.length === 4) {
let makesUpForPalindrome = false;
toUseArray.forEach((item, index) => {
const arrayCopy = [...toUseArray];
const a = arrayCopy.splice(index,1)
makesUpForPalindrome = makesUpForPalindrome || checkPalindrome(arrayCopy, [...lhsArray, a], rhsArray)
})
const result = makesUpForPalindrome
if (result) {console.log(result)}
return result;
} else {
let sum = 0;
toUseArray.forEach((item, index) => {
const arrayCopy = [...toUseArray];
const a = arrayCopy.splice(index, 1)
sum += checkPalindrome(arrayCopy, [], [...rhsArray,a]) ? 1 : 0
})
return sum
}
}
}
console.log(checkPalindrome([1,2,3,4,5,6,7,8,9], [], []));
