View Compilation Error

0_0_13913050_1524.cpp: In function 'void dfs(int, int, int)':
0_0_13913050_1524.cpp:37:38: error: ambiguating new declaration of 'void dfs(int, int, int)'
 void dfs(int nowx, int nowy, int nows)
                                      ^
0_0_13913050_1524.cpp:10:5: note: old declaration 'int dfs(int, int, int)'
 int dfs(int nowx, int nowy, int nows);
     ^