Compilare: main.cpp: In function 'int main()': main.cpp:17:16: warning: converting to non-pointer type 'char' from NULL [-Wconversion-null] 17 | l[0] = NULL; | ^~~~ main.cpp:25:30: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 25 | for(int i = 0; i < strlen(s)-1; i++) | ~~^~~~~~~~~~~~~ main.cpp:33:35: warning: converting to non-pointer type 'char' from NULL [-Wconversion-null] 33 | l[lung] = NULL; | ^~~~