View Compilation Error

0_0_36103598_20180.cpp:5:11: error: '::main' must return 'int'
 void main(){
           ^
0_0_36103598_20180.cpp: In function 'int main()':
0_0_36103598_20180.cpp:31:17: error: expected '}' at end of input
                 }
                 ^
0_0_36103598_20180.cpp:31:17: error: expected '}' at end of input