Accepted
/in/foo.cc: In function 'int main()': /in/foo.cc:8:6: warning: unused variable 'fuhao' [-Wunused-variable] int fuhao=1; ^~~~~
/in/foo.cc: In function 'int main()': /in/foo.cc:8:6: warning: unused variable 'fuhao' [-Wunused-variable] int fuhao=1; ^~~~~