View Compilation Error

0_0_36626045_9053.cpp: In function 'int main()':
0_0_36626045_9053.cpp:6:5: error: '_int64' was not declared in this scope
     _int64 a[10000];
     ^
0_0_36626045_9053.cpp:9:9: error: 'a' was not declared in this scope
         a[0]=0;a[1]=1;
         ^