View Compilation Error

0_0_34398771_29649.cpp:2:12: error: '::main' must return 'int'
 void main( )
            ^
0_0_34398771_29649.cpp: In function 'int main()':
0_0_34398771_29649.cpp:13:1: error: return-statement with no value, in function returning 'int' [-fpermissive]
 return;
 ^