Accepted
/in/foo.cc: In function 'int main()': /in/foo.cc:6:15: warning: unused variable 'x' [-Wunused-variable] long long n,x; ^
/in/foo.cc: In function 'int main()': /in/foo.cc:6:15: warning: unused variable 'x' [-Wunused-variable] long long n,x; ^