View Compilation Error

0_0_21755126_31923.cpp: In function 'll sl(int, int)':
0_0_21755126_31923.cpp:68:11: error: a function-definition is not allowed here before '{' token
 int main(){
           ^
0_0_21755126_31923.cpp:75:1: error: expected '}' at end of input
 }
 ^
0_0_21755126_31923.cpp:75:1: error: expected '}' at end of input
0_0_21755126_31923.cpp:75:1: error: expected '}' at end of input