| # | Title | Solutions | Video | Difficulty | Tag

|-----|----------------|---------------|--------|-------------|-------------

|2109|[Adding Spaces to a String](https://leetcode.com/problems/adding-spaces-to-a-string/)|[Java](../master/src/main/java/com/fishercoder/solutions/_2109.java)||Medium||

|2108|[Find First Palindromic String in the Array](https://leetcode.com/problems/find-first-palindromic-string-in-the-array/)|[Java](../master/src/main/java/com/fishercoder/solutions/_2108.java)||Easy||

|2103|[Rings and Rods](https://leetcode.com/problems/rings-and-rods/)|[Java](../master/src/main/java/com/fishercoder/solutions/_2103.java)||Easy||

|2099|[Find Subsequence of Length K With the Largest Sum](https://leetcode.com/problems/find-subsequence-of-length-k-with-the-largest-sum/)|[Java](../master/src/main/java/com/fishercoder/solutions/_2099.java)||Easy||

packagecom.fishercoder.solutions;

publicclass_2109 {

publicstaticclassSolution1 {

publicStringaddSpaces(Strings,int[]spaces) {

StringBuildersb =newStringBuilder();

for (inti =0,j =0;i <s.length();i++) {

if (j <spaces.length &&i ==spaces[j]) {

sb.append(" ");

j++;

}

sb.append(s.charAt(i));

}

returnsb.toString();

}

}

}