/in/foo.cc: In function 'int main()':
/in/foo.cc:26:39: warning: right operand of comma operator has no effect [-Wunused-value]
   26 |                                 b1++,s;
      |                                       ^
/in/foo.cc:41:40: warning: right operand of comma operator has no effect [-Wunused-value]
   41 |                                 b1++,s1;
      |                                        ^
/in/foo.cc:5:22: warning: unused variable 'x' [-Wunused-variable]
    5 |         int n1,n2,n3,x=0,y=0,n;
      |                      ^
/in/foo.cc:5:26: warning: unused variable 'y' [-Wunused-variable]
    5 |         int n1,n2,n3,x=0,y=0,n;
      |                          ^
/in/foo.cc:5:30: warning: unused variable 'n' [-Wunused-variable]
    5 |         int n1,n2,n3,x=0,y=0,n;
      |                              ^