Compilare: main.cpp: In function 'void insertTrie(trie*, int)': main.cpp:30:9: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 30 | if(j==strlen(s)) | ~^~~~~~~~~~~ main.cpp: In function 'int deleteTrie(trie*, int)': main.cpp:46:9: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 46 | if(j==strlen(s)) | ~^~~~~~~~~~~ main.cpp: In function 'int cntTrie(trie*, int)': main.cpp:64:9: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 64 | if(j==strlen(s)) | ~^~~~~~~~~~~ main.cpp: In function 'int prefTrie(trie*, int)': main.cpp:77:9: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 77 | if(j==strlen(s)) | ~^~~~~~~~~~~