View Compilation Error

0_0_24203859_22442.cpp: In function 'int main()':
0_0_24203859_22442.cpp:5:2: error: '_int64' was not declared in this scope
  _int64 high[34] = { 1 }, low[34] = { 0 };
  ^
0_0_24203859_22442.cpp:5:25: error: expected primary-expression before ',' token
  _int64 high[34] = { 1 }, low[34] = { 0 };
                         ^
0_0_24203859_22442.cpp:5:27: error: 'low' was not declared in this scope
  _int64 high[34] = { 1 }, low[34] = { 0 };
                           ^
0_0_24203859_22442.cpp:9:3: error: 'high' was not declared in this scope
   high[i] = 3 * high[i - 1] + 2 * low[i - 1];
   ^
0_0_24203859_22442.cpp:18:28: error: 'high' was not declared in this scope
   printf("%I64d, %I64d\n", high[n1], low[n1]);
                            ^