View Compilation Error

0_0_35657289_24754.cpp: In function 'int main()':
0_0_35657289_24754.cpp:5:2: error: '_int64' was not declared in this scope
  _int64 dp[36];
  ^
0_0_35657289_24754.cpp:7:2: error: 'dp' was not declared in this scope
  dp[1]=2;
  ^