View Compilation Error

0_0_39576209_13290.cpp: In function 'int dfs1(int, int)':
0_0_39576209_13290.cpp:17:17: error: 'dfs' was not declared in this scope; did you mean 'dfs1'?
   17 |                 dfs(xx, yy);
      |                 ^~~
      |                 dfs1