Share my Java 1ms solution,very easy to understand


  • 0
    public class Solution {
        public List<String> generatePossibleNextMoves(String s) {
            List<String> rs = new ArrayList<>();
            for(int i=0;i<s.length()-1;i++){
                if(s.charAt(i)=='+' && s.charAt(i+1)=='+'){
                    String ss = s.substring(0,i)+"--"+s.substring(i+2);
                    rs.add(ss);
                }
            }
            return rs;
        }
    }

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