_1945.java

packagecom.fishercoder.solutions.secondthousand;

importjava.util.ArrayList;
importjava.util.List;

publicclass_1945 {
publicstaticclassSolution1 {
publicintgetLucky(Strings, intk) {
List<Integer> list = newArrayList<>();
for (charc : s.toCharArray()) {
list.add(c - 'a' + 1);
 }
intsum = 0;
for (inti : list) {
if (i >= 10) {
sum += i / 10;
 }
sum += i % 10;
 }
while (k-- > 1) {
intnewSum = 0;
while (sum != 0) {
newSum += sum % 10;
sum /= 10;
 }
sum = newSum;
 }
returnsum;
 }
 }
}