foo.cc: In function 'int main()':
foo.cc:6:30: warning: variable 'wz1' set but not used [-Wunused-but-set-variable]
    6 |         int x,c1,c2,s1=99999,wz1=0,s2=99999,wz2=0;
      |                              ^~~
foo.cc:6:45: warning: variable 'wz2' set but not used [-Wunused-but-set-variable]
    6 |         int x,c1,c2,s1=99999,wz1=0,s2=99999,wz2=0;
      |                                             ^~~

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