Eroare de compilare: main.cpp:14:1: error: 'ULL' does not name a type; did you mean 'NULL'? 14 | ULL p2[31]; | ^~~ | NULL main.cpp:15:1: error: 'ULL' does not name a type; did you mean 'NULL'? 15 | ULL has_set_bit(int limit,int bit) | ^~~ | NULL main.cpp:28:1: error: 'ULL' does not name a type; did you mean 'NULL'? 28 | ULL calculate_mat_xor_sum(int line,int col) | ^~~ | NULL main.cpp:46:1: error: 'ULL' does not name a type; did you mean 'NULL'? 46 | ULL coordinate_matrix_xor_sum(int &a,int &b,int &c,int &d) | ^~~ | NULL main.cpp:59:5: error: redefinition of 'int main()' 59 | int main() | ^~~~ main.cpp:5:5: note: 'int main()' previously defined here 5 | int main() | ^~~~ main.cpp: In function 'int main()': main.cpp:61:5: error: 'p2' was not declared in this scope 61 | p2[0]=1; | ^~ main.cpp:71:15: error: 'coordinate_matrix_xor_sum' was not declared in this scope 71 | fout<<coordinate_matrix_xor_sum(a,b,c,d)<<'\n'; | ^~~~~~~~~~~~~~~~~~~~~~~~~ Non zero exit status: 1