View Compilation Error

0_0_36102418_25540.cpp:3:11: error: '::main' must return 'int'
 void main()
           ^
0_0_36102418_25540.cpp: In function 'int main()':
0_0_36102418_25540.cpp:9:4: error: return-statement with no value, in function returning 'int' [-fpermissive]
    return;
    ^