View Compilation Error

0_0_33927885_12810.cpp: In function 'int main()':
0_0_33927885_12810.cpp:19:12: error: expected initializer before 'long'
 #define ll long long
            ^
0_0_33927885_12810.cpp:71:2: note: in expansion of macro 'll'
  ll x, y;
  ^
0_0_33927885_12810.cpp:76:21: error: 'x' was not declared in this scope
  while (cin >> n >> x >> y) {
                     ^
0_0_33927885_12810.cpp:76:26: error: 'y' was not declared in this scope
  while (cin >> n >> x >> y) {
                          ^
0_0_33927885_12810.cpp:77:8: error: 'i' was not declared in this scope
   for (i=0; i<n; i++)
        ^