View Compilation Error

0_0_26100568_4407.cpp: In function 'int main()':
0_0_26100568_4407.cpp:21:24: error: cannot resolve overloaded function 'floor' based on conversion to type 'LL {aka long long int}'
         LL tmp = (floor)dk;
                        ^
0_0_26100568_4407.cpp:21:25: error: expected ',' or ';' before 'dk'
         LL tmp = (floor)dk;
                         ^