View Compilation Error

0_0_14847715_15024.cpp:3:11: error: '::main' must return 'int'
 void main(){
           ^
0_0_14847715_15024.cpp: In function 'int main()':
0_0_14847715_15024.cpp:11:3: error: return-statement with no value, in function returning 'int' [-fpermissive]
   return;
   ^