/in/foo.cc: In function 'int main()':
/in/foo.cc:8:13: warning: unused variable 'ans' [-Wunused-variable]
     int len,ans=0;
             ^~~
/in/foo.cc:11:19: warning: variable 'orz' set but not used [-Wunused-but-set-variable]
     long long int orz[100007],rz[100007],z[100007],ORZ=0,RZ=0,Z=0;
                   ^~~