View Compilation Error

0_0_22692761_29187.cpp:3:1: error: '_int64' does not name a type
 _int64 color[50]={3,6,6};
 ^
0_0_22692761_29187.cpp: In function 'void iscolor()':
0_0_22692761_29187.cpp:10:3: error: 'color' was not declared in this scope
   color[i]=color[i-1]+color[i-2]*2;
   ^
0_0_22692761_29187.cpp: In function 'int main()':
0_0_22692761_29187.cpp:18:20: error: 'color' was not declared in this scope
   printf("%l64d\n",color[n-1]);
                    ^