foo.cc: In function 'int main()':
foo.cc:6:18: warning: right operand of comma operator has no effect [-Wunused-value]
    6 |         cin>>x,z,y;
      |                  ^
foo.cc:6:19: warning: right operand of comma operator has no effect [-Wunused-value]
    6 |         cin>>x,z,y;
      |                   ^
foo.cc:7:9: warning: 'z' is used uninitialized [-Wuninitialized]
    7 |         if(x<=z&&z<=y)
      |         ^~
foo.cc:5:17: note: 'z' was declared here
    5 |         int x,y,z;
      |                 ^
foo.cc:7:16: warning: 'y' may be used uninitialized [-Wmaybe-uninitialized]
    7 |         if(x<=z&&z<=y)
      |            ~~~~^~~~~~
foo.cc:5:15: note: 'y' was declared here
    5 |         int x,y,z;
      |               ^

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