foo.cc:1:10: error: #include expects "FILENAME" or <FILENAME>
    1 | #include
      |          ^
foo.cc:2:10: error: #include expects "FILENAME" or <FILENAME>
    2 | #include
      |          ^
foo.cc: In function 'int main()':
foo.cc:10:5: error: 'cin' was not declared in this scope
   10 |     cin >> n >> m;
      |     ^~~
foo.cc:1:1: note: 'std::cin' is defined in header '<iostream>'; did you forget to '#include <iostream>'?
  +++ |+#include <iostream>
    1 | #include
foo.cc:17:47: error: 'abs' was not declared in this scope
   17 |             dp[i][j] = dp[i-1][j+i] + dp[i-1][abs(j-i)];
      |                                               ^~~
foo.cc:21:9: error: 'cout' was not declared in this scope
   21 |         cout << dp[n][m] / 2 << endl;
      |         ^~~~
foo.cc:21:9: note: 'std::cout' is defined in header '<iostream>'; did you forget to '#include <iostream>'?
foo.cc:21:33: error: 'endl' was not declared in this scope
   21 |         cout << dp[n][m] / 2 << endl;
      |                                 ^~~~
foo.cc:1:1: note: 'std::endl' is defined in header '<ostream>'; did you forget to '#include <ostream>'?
  +++ |+#include <ostream>
    1 | #include
foo.cc:23:9: error: 'cout' was not declared in this scope
   23 |         cout << dp[n][m] << endl;
      |         ^~~~
foo.cc:23:9: note: 'std::cout' is defined in header '<iostream>'; did you forget to '#include <iostream>'?
foo.cc:23:29: error: 'endl' was not declared in this scope
   23 |         cout << dp[n][m] << endl;
      |                             ^~~~
foo.cc:23:29: note: 'std::endl' is defined in header '<ostream>'; did you forget to '#include <ostream>'?
foo.cc:11:9: warning: unused variable 'sum' [-Wunused-variable]
   11 |     int sum = 0;
      |         ^~~

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