View Compilation Error

0_0_31988638_27116.cpp:5:1: error: '_int64' does not name a type
 _int64 fib[limit];
 ^
0_0_31988638_27116.cpp: In function 'int main()':
0_0_31988638_27116.cpp:10:5: error: 'fib' was not declared in this scope
     fib[0] = 0;
     ^