View Compilation Error

0_0_26608663_31314.cpp: In function 'int main()':
0_0_26608663_31314.cpp:9:2: error: '_int64' was not declared in this scope
  _int64 ans,tp;
  ^
0_0_26608663_31314.cpp:15:3: error: 'ans' was not declared in this scope
   ans=tp=1;
   ^
0_0_26608663_31314.cpp:15:7: error: 'tp' was not declared in this scope
   ans=tp=1;
       ^