View Compilation Error

0_0_34133759_21142.cpp: In function 'int main()':
0_0_34133759_21142.cpp:24:15: error: 'getint' was not declared in this scope
  int t=getint(),k=3ll*(1+mod)/2%mod;;
               ^
0_0_34133759_21142.cpp:27:50: error: 'k' was not declared in this scope
   printf("%d\n",(int)(qpower(2,n)+1ll+2ll*qpower(k,n))%mod);
                                                  ^