foo.cc: In function 'int main()':
foo.cc:27:21: warning: format '%s' expects argument of type 'char*', but argument 2 has type 'char (*)[120]' [-Wformat=]
   27 |             scanf("%s",&matrix[i]);
      |                    ~^  ~~~~~~~~~~
      |                     |  |
      |                     |  char (*)[120]
      |                     char*
foo.cc:25:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   25 |         scanf("%d%d",&n, &d);
      |         ~~~~~^~~~~~~~~~~~~~~
foo.cc:27:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   27 |             scanf("%s",&matrix[i]);
      |             ~~~~~^~~~~~~~~~~~~~~~~

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