/in/foo.cc: In function 'int main()':
/in/foo.cc:16:23: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
   16 |                 if (pd=0)
      |                     ~~^~
/in/foo.cc:34:25: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
   34 |                         if (g[i][j-1]=='#')
      |                         ^~
/in/foo.cc:36:33: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
   36 |                                 if (ok)
      |                                 ^~
/in/foo.cc:41:15: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
   41 |         if (pd=0)
      |             ~~^~