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Solution.java
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Solution.java
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package g0901_1000.s0989_add_to_array_form_of_integer;
// #Easy #Array #Math #Programming_Skills_II_Day_5
// #2022_03_31_Time_7_ms_(65.92%)_Space_62.4_MB_(29.05%)
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
public class Solution {
public List<Integer> addToArrayForm(int[] num, int k) {
ArrayList<Integer> result = new ArrayList<>();
int carry = 0;
for (int i = num.length - 1; i >= 0; i--) {
int temp = num[i] + k % 10 + carry;
result.add(temp % 10);
carry = temp / 10;
k /= 10;
}
while (k > 0) {
int t = k % 10 + carry;
result.add(t % 10);
carry = t / 10;
k /= 10;
}
if (carry == 1) {
result.add(1);
}
Collections.reverse(result);
return result;
}
}