foo.cc:6:33: error: expected primary-expression before 'long'
    6 | const long long max_longlong = (long long (1) << 62) - 1;
      |                                 ^~~~
foo.cc:6:33: error: expected ')' before 'long'
    6 | const long long max_longlong = (long long (1) << 62) - 1;
      |                                ~^~~~
      |                                 )
foo.cc: In function 'int main()':
foo.cc:103:2: error: 'memset' was not declared in this scope
  103 |  memset(dp, 0, sizeof(dp));
      |  ^~~~~~
foo.cc:5:1: note: 'memset' is defined in header '<cstring>'; did you forget to '#include <cstring>'?
    4 | #include<vector>
  +++ |+#include <cstring>
    5 | using namespace std;

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