View Compilation Error

0_0_36307157_31238.cpp: In function 'int solve(int)':
0_0_36307157_31238.cpp:32:31: error: too many arguments to function 'int dfs(int, int, bool)'
     return dfs(pos-1,-1,0,true);
                               ^
0_0_36307157_31238.cpp:9:5: note: declared here
 int dfs(int pos,int sta,bool limit)
     ^