View Compilation Error

0_0_28484673_28074.cpp: In function 'int main()':
0_0_28484673_28074.cpp:3:2: error: '_int64' was not declared in this scope
  _int64 f[100];
  ^
0_0_28484673_28074.cpp:7:3: error: 'f' was not declared in this scope
   f[0]=0;
   ^