foo.cc: In function 'void find()':
foo.cc:60:7: warning: 'minj' may be used uninitialized [-Wmaybe-uninitialized]
   60 | printf("%d %d %c\n",mini+1,minj+1,d[mink]);
      | ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
foo.cc:45:15: note: 'minj' was declared here
   45 | int mink,mini,minj;
      |               ^~~~
foo.cc:60:7: warning: 'mini' may be used uninitialized [-Wmaybe-uninitialized]
   60 | printf("%d %d %c\n",mini+1,minj+1,d[mink]);
      | ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
foo.cc:45:10: note: 'mini' was declared here
   45 | int mink,mini,minj;
      |          ^~~~

[Hydro](https://hydro.ac)提供评测服务