View Compilation Error

0_0_36678530_22002.cpp: In function 'void fre()':
0_0_36678530_22002.cpp:73:12: error: a function-definition is not allowed here before '{' token
 int main() {
            ^
0_0_36678530_22002.cpp:93:1: error: expected '}' at end of input
 }
 ^