foo.cc: In function 'void rd(T&)':
foo.cc:16:3: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
   16 |   for(x=numb;isdigit(ch=getchar());x=x*10+numb);(fl==true)&&(x=-x);}
      |   ^~~
foo.cc:16:49: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
   16 |   for(x=numb;isdigit(ch=getchar());x=x*10+numb);(fl==true)&&(x=-x);}
      |                                                 ^
foo.cc: In function 'int Miracle::main()':
foo.cc:53:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   53 |         scanf("%d%d",&l,&r);
      |         ~~~~~^~~~~~~~~~~~~~
foo.cc:54:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   54 |         scanf("%s",s);
      |         ~~~~~^~~~~~~~

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