java解法

import java.util.LinkedList;
public class Solution {
    public int LastRemaining_Solution(int n, int m) {
        if(n<=0) return -1;
        if(n==1) return 1;

        LinkedList<Integer> arr = new LinkedList();
        for(int i=0;i<n;++i)
            arr.add(i);
        int index = -1;
        int size = arr.size();
        while(size>1)
        {
            int t = m+index;
            while(t>=size) t-=size;
            index = t;
            arr.remove(index--);
            size--;
        }
        return arr.get(0);
}}