foo.cc: In function 'int main()':
foo.cc:5:18: warning: right operand of comma operator has no effect [-Wunused-value]
    5 |         cin>>x,y,z;
      |                  ^
foo.cc:5:19: warning: right operand of comma operator has no effect [-Wunused-value]
    5 |         cin>>x,y,z;
      |                   ^
foo.cc:4:13: warning: 'z' is used uninitialized [-Wuninitialized]
    4 |     int x,y,z;
      |             ^
foo.cc:8:20: warning: 'y' is used uninitialized [-Wuninitialized]
    8 |         int mid = x+y+z-max-min;
      |                   ~^~
foo.cc:4:11: note: 'y' was declared here
    4 |     int x,y,z;
      |           ^

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