Compilare: main.cpp: In function 'void adaugare(trie*, char*, int)': main.cpp:26:12: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 26 | if(poz == strlen(c)) | ~~~~^~~~~~~~~~~~ main.cpp: In function 'void stergere(trie*, char*, int)': main.cpp:41:12: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 41 | if(poz == strlen(c)) | ~~~~^~~~~~~~~~~~ main.cpp: In function 'int nr_aparitii(trie*, char*, int)': main.cpp:52:12: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 52 | if(poz == strlen(c)) | ~~~~^~~~~~~~~~~~ main.cpp: In function 'int max_prefix_comun(trie*, char*, int)': main.cpp:64:12: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 64 | if(poz == strlen(c)) | ~~~~^~~~~~~~~~~~