1281. Subtract the Product and Sum of Digits of an Integer
class Solution {
public int subtractProductAndSum(int n) {
ArrayList<Integer> list = new ArrayList<Integer>();
while(n != 0){
list.add(n%10);
n = n/10;
}
int product = 1;
int sum = 0;
for(int i = 0; i < list.size(); i++){
product *= list.get(i);
sum+= list.get(i);
}
return product - sum;
}
}