View Compilation Error

0_0_38856340_6443.cpp:16:14: error: expected initializer before 'long'
   16 | #define long long __int64
      |              ^~~~
gcc-13.1.0/x86_64-w64-mingw32/include/_mingw.h:241:22: note: in expansion of macro 'long'
  241 | #define __int64 long long
      |                      ^~~~
0_0_38856340_6443.cpp: In function 'int main()':
0_0_38856340_6443.cpp:25:12: error: 'dp' was not declared in this scope
   25 |     memset(dp,0,sizeof(dp));
      |            ^~
0_0_38856340_6443.cpp:25:5: error: 'memset' was not declared in this scope
   25 |     memset(dp,0,sizeof(dp));
      |     ^~~~~~
0_0_38856340_6443.cpp:15:1: note: 'memset' is defined in header '<cstring>'; did you forget to '#include <cstring>'?
   14 | #include<iostream>
  +++ |+#include <cstring>
   15 | using namespace std;