View Compilation Error

0_0_29204000_22170.cpp: In function 'int getnum(int)':
0_0_29204000_22170.cpp:12:2: error: 'int64' was not declared in this scope
  int64 num=0;
  ^
0_0_29204000_22170.cpp:14:3: error: 'num' was not declared in this scope
   num*=(10);
   ^
0_0_29204000_22170.cpp:18:14: error: 'num' was not declared in this scope
  a.push_back(num);
              ^