/in/foo.cc: In function 'void dfs(int, int)':
/in/foo.cc:31:10: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
          for(int j=1;j<=n;j++)
          ^~~
/in/foo.cc:33:3: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for'
   for(int i=1;i<=n;i++)
   ^~~