UVA Problem ID 11313 (Gourmet Games)

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;


public class Main {
	public static void main (String args[]) throws IOException
	{
		BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
		StringBuilder sb=new StringBuilder(1000);
		int testcases=Integer.parseInt(br.readLine());
		for (int i = 0; i =m)
			{
				total_shows+=left/m;
				left=left/m+left%m;
			}
			if(left==1)
				sb.append(total_shows+"\n");
			else
				sb.append("cannot do this\n");
		}
		System.out.print(sb);
	}
}