foo.cc: In function 'int main()':
foo.cc:33:7: warning: right operand of comma operator has no effect [-Wunused-value]
33 | b1++,s;
| ^
foo.cc:51:8: warning: right operand of comma operator has no effect [-Wunused-value]
51 | b1++,s1;
| ^
foo.cc:8:14: warning: unused variable 'x' [-Wunused-variable]
8 | int n1,n2,n3,x=0,y=0,n;
| ^
foo.cc:8:18: warning: unused variable 'y' [-Wunused-variable]
8 | int n1,n2,n3,x=0,y=0,n;
| ^
foo.cc:8:22: warning: unused variable 'n' [-Wunused-variable]
8 | int n1,n2,n3,x=0,y=0,n;
| ^
[Hydro](https://hydro.ac)提供评测服务