Eroare de compilare: main.cpp: In function 'char del(Trie*, char*)': main.cpp:42:47: error: 'tri' was not declared in this scope if (tr->cnt == 0 && tr->nrfii == 0 && tr != tri ) { ^~~ main.cpp: In function 'int main()': main.cpp:87:13: error: 'tri' was not declared in this scope ins(tri, s) ; ^~~ main.cpp:91:13: error: 'tri' was not declared in this scope del(tri, s) ; ^~~ main.cpp:95:40: error: 'tri' was not declared in this scope fprintf (fout, "%d\n", querry1(tri, s) ) ; ^~~ main.cpp:99:40: error: 'tri' was not declared in this scope fprintf (fout, "%d\n", querry2(tri, s, 0) ) ; ^~~ Non zero exit status: 1