View Compilation Error

0_0_13314703_23173.cpp: In function 'int main()':
0_0_13314703_23173.cpp:8:2: error: '_int64' was not declared in this scope
  _int64 a[100];
  ^
0_0_13314703_23173.cpp:9:2: error: 'a' was not declared in this scope
  a[2]=1;
  ^