Eroare de compilare: main.cpp:4:11: error: 'll' does not name a type 4 | constexpr ll mod = 1e9 + 7; | ^~ main.cpp: In function 'int main()': main.cpp:65:94: error: 'mod' was not declared in this scope; did you mean 'nod'? 65 | x->nr_paths[len] = (x->nr_paths[len] + x->next[ch]->nr_paths[len - 1]) % mod; | ^~~ | nod main.cpp:82:66: error: 'mod' was not declared in this scope; did you mean 'nod'? 82 | ret = (ret + r->next[i - '0']->nr_paths[left]) % mod; | ^~~ | nod Non zero exit status: 1