Compilare: main.cpp: In function 'void insertTrie(trie*, int)': main.cpp:36:9: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 36 | if(j==strlen(s)) | ~^~~~~~~~~~~ main.cpp: In function 'int deleteTrie(trie*, int)': main.cpp:52:9: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 52 | if(j==strlen(s)) | ~^~~~~~~~~~~ main.cpp: In function 'int cntTrie(trie*, int)': main.cpp:70:9: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 70 | if(j==strlen(s)) | ~^~~~~~~~~~~ main.cpp: In function 'int prefTrie(trie*, int)': main.cpp:83:9: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 83 | if(j==strlen(s)) | ~^~~~~~~~~~~