View Compilation Error

0_0_21598187_31255.cpp:95:13: error: '::main' must return 'int'
 void   main()
             ^
0_0_21598187_31255.cpp: In function 'int main()':
0_0_21598187_31255.cpp:100:3: error: expected '(' before '{' token
   {
   ^
0_0_21598187_31255.cpp:101:4: error: 'mov' was not declared in this scope
    mov eax, a;
    ^
0_0_21598187_31255.cpp:102:8: error: expected ';' before 'ebx'
    mov ebx, b;
        ^
0_0_21598187_31255.cpp:103:4: error: 'lea' was not declared in this scope
    lea eax, [eax + ebx];
    ^
0_0_21598187_31255.cpp:104:8: error: expected ';' before 'a'
    mov a, eax;
        ^