foo.cc: In function 'void init()':
foo.cc:29:17: warning: format '%s' expects argument of type 'char*', but argument 2 has type 'char (*)[111]' [-Wformat=]
   29 |         scanf("%s",&st[i]);
      |                ~^  ~~~~~~
      |                 |  |
      |                 |  char (*)[111]
      |                 char*
foo.cc:26:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   26 |     scanf("%d%d",&n,&m);
      |     ~~~~~^~~~~~~~~~~~~~
foo.cc:29:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   29 |         scanf("%s",&st[i]);
      |         ~~~~~^~~~~~~~~~~~~

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