View Compilation Error

0_0_34166287_11221.cpp: In function 'll cal(ll)':
0_0_34166287_11221.cpp:41:11: error: redefinition of 'll cal(ll)'
 inline ll cal(ll n)
           ^
0_0_34166287_11221.cpp:32:4: note: 'll cal(ll)' previously defined here
 ll cal(ll n){
    ^