View Compilation Error

0_0_36693848_2019.cpp: In function 'void fre()':
0_0_36693848_2019.cpp:37:1: error: a function-definition is not allowed here before '{' token
 {
 ^
0_0_36693848_2019.cpp:95:1: error: expected '}' at end of input
 }
 ^