Accepted
/in/foo.cc: In function 'int main()':
/in/foo.cc:6:13: warning: unused variable 'x' [-Wunused-variable]
int n,m,x,ans=0;
^
/in/foo.cc: In function 'int main()':
/in/foo.cc:6:13: warning: unused variable 'x' [-Wunused-variable]
int n,m,x,ans=0;
^
