foo.cc: In function 'void init()':
foo.cc:32:8: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
   32 | freopen("lostcity.in","r",stdin);
      | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
foo.cc:33:8: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
   33 | freopen("lostcity.out","w",stdout);
      | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
foo.cc:34:6: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   34 | scanf("%d",&N);
      | ~~~~~^~~~~~~~~
foo.cc:37:6: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   37 | scanf("%s",Word);
      | ~~~~~^~~~~~~~~~~
foo.cc:50:6: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   50 | scanf("%s",Passage);
      | ~~~~~^~~~~~~~~~~~~~
foo.cc: In function 'int dynamic()':
foo.cc:105:1: warning: control reaches end of non-void function [-Wreturn-type]
  105 | }
      | ^

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