力扣1859

class Solution {
    public String sortSentence(String s) {
                    String[]a =s.split(" ");
        String ss="";
        int temp=a.length;
        int num=0;
        while(temp-->0) {
            num++;
            for(int i=0;i<a.length;i++) {
                if(Integer.parseInt(a[i].charAt(a[i].length()-1)+"")==num){
                    ss=ss.concat(a[i].substring(0,a[i].length()-1));
                    ss=ss.concat(" ");
                    break;
                }
            }

        }
        return ss;
    }
}