View Compilation Error

0_0_18932255_31558.cpp: In function 'int main()':
0_0_18932255_31558.cpp:4:12: error: expected initializer before 'a'
    int n,i a,b;
            ^
0_0_18932255_31558.cpp:6:5: error: 'i' was not declared in this scope
 for(i=1;i<=n;i++)
     ^
0_0_18932255_31558.cpp:7:21: error: expected unqualified-id before '&' token
  {  scanf("%d %d\n".&a,&b);
                     ^
0_0_18932255_31558.cpp:7:22: error: 'a' was not declared in this scope
  {  scanf("%d %d\n".&a,&b);
                      ^
0_0_18932255_31558.cpp:7:25: error: 'b' was not declared in this scope
  {  scanf("%d %d\n".&a,&b);
                         ^