View Compilation Error

0_0_26140917_11002.cpp: In function 'int main()':
0_0_26140917_11002.cpp:7:2: error: '_int64' was not declared in this scope
  _int64 ans,tp;
  ^
0_0_26140917_11002.cpp:13:3: error: 'ans' was not declared in this scope
   ans=tp=1;
   ^
0_0_26140917_11002.cpp:13:7: error: 'tp' was not declared in this scope
   ans=tp=1;
       ^