View Compilation Error

0_0_37631142_22939.cpp: In function 'll f(ll)':
0_0_37631142_22939.cpp:48:1: error: a function-definition is not allowed here before '{' token
 {
 ^
0_0_37631142_22939.cpp:62:1: error: expected '}' at end of input
 }
 ^