View Compilation Error

0_0_20783850_15367.cpp:14:13: error: '::main' must return 'int'
   void main()
             ^
0_0_20783850_15367.cpp: In function 'int main()':
0_0_20783850_15367.cpp:16:183: error: expected statement at end of input
   unsigned int i,n,a,b,t,x,count=0;  while(scanf("%d",&n)>0)  {   while(n--)   {    scanf("%d%d",&a,&b);    if(a>b) {t=a;a=b;b=t; }    for(i=a;i<=b;i++)    {     x=f(i);      if(x==1)                           //1是完数       count++;     }     printf("%d\n",count);    count=0;    }   }  } 
                                                                                                                                                                                       ^
0_0_20783850_15367.cpp:16:183: error: expected '}' at end of input
0_0_20783850_15367.cpp:16:183: error: expected '}' at end of input
0_0_20783850_15367.cpp:16:183: error: expected '}' at end of input
0_0_20783850_15367.cpp:16:183: error: expected '}' at end of input