View Compilation Error

0_0_7541966_26500.cpp:24: error: `before' does not name a type
0_0_7541966_26500.cpp: In function `long long int nlcm(long long int*, int)':
0_0_7541966_26500.cpp:36: error: `lcm' undeclared (first use this function)
0_0_7541966_26500.cpp:36: error: (Each undeclared identifier is reported only once for each function it appears in.)