/in/foo.cc: In function 'int main()':
/in/foo.cc:7:7: warning: statement has no effect [-Wunused-value]
    7 |     pz==yl;
      |     ~~^~~~
/in/foo.cc:8:7: warning: statement has no effect [-Wunused-value]
    8 |     gz==yl;
      |     ~~^~~~
/in/foo.cc:10:23: warning: 'pz' is used uninitialized [-Wuninitialized]
   10 |         long long x=pz/3+gz/4;
      |                     ~~^~
/in/foo.cc:4:12: note: 'pz' was declared here
    4 |     int yl,pz,gz,t=0;
      |            ^~
/in/foo.cc:10:28: warning: 'gz' is used uninitialized [-Wuninitialized]
   10 |         long long x=pz/3+gz/4;
      |                          ~~^~
/in/foo.cc:4:15: note: 'gz' was declared here
    4 |     int yl,pz,gz,t=0;
      |               ^~