View Compilation Error

0_0_17787263_4346.cpp: In function 'int qiuCha(int)':
0_0_17787263_4346.cpp:68:18: error: too many arguments to function 'int dfs2(int)'
   return dfs2(1,0);
                  ^
0_0_17787263_4346.cpp:40:5: note: declared here
 int dfs2(int rt)
     ^