Why I'm getting 8 at last index of output

#1

question link=>

class Solution {

public List<Integer> addToArrayForm(int[] num, int k) {
    List<Integer> ans= new ArrayList<>();
    long n=0;
    for(int i:num){
        n = (n*10)+i;
    }
    n+=k;
    while(n>0){
        ans.add(0,(int)n%10);
        n/=10;
    }
    return ans;
}

}

Input
[9,9,9,9,9,9,9,9,9,9]
1

Output
[1,0,0,0,0,0,0,0,0,0,8]

Expected
[1,0,0,0,0,0,0,0,0,0,0]

#2

@nayankamalverma_51f44fd6fd2fd365 Since You have to treat whole array as a number that means a number can be very very large which cannot be stored even in long . So you have to change your logic in which you have to add the numbers directly to array not by storing in a long or int and then Adding this will not be accepted.

1 Like
#3

Thanks ,got it… :metal:

#4

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