foo.cc: In function 'int main()':
foo.cc:19:45: warning: 'total' may be used uninitialized [-Wmaybe-uninitialized]
   19 |         cout<<fixed<<setprecision(2)<<(total-smax-smin)/(cnt-2);
      |                                        ~~~~~^~~~~
foo.cc:7:23: note: 'total' was declared here
    7 |         double score, total, cnt=0;
      |                       ^~~~~

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