View Compilation Error

0_0_20847342_16526.cpp: In function 'long long int cal(long long int)':
0_0_20847342_16526.cpp:13:5: error: 'll' was not declared in this scope
     ll i=0;
     ^
0_0_20847342_16526.cpp:14:9: error: 'i' was not declared in this scope
     for(i=0;(1ll<<i)<=x;i++)
         ^