Compilare: main.cpp: In function 'int main()': main.cpp:30:20: warning: NULL used in arithmetic [-Wpointer-arith] while (s[i] != NULL) ^~~~ main.cpp:55:25: warning: converting to non-pointer type 'char' from NULL [-Wconversion-null] cuvant[0] = NULL; ^~~~ main.cpp:62:27: warning: converting to non-pointer type 'char' from NULL [-Wconversion-null] cuvant[++k] = NULL; ^~~~ main.cpp:81:31: warning: 'nrtotal' may be used uninitialized in this function [-Wmaybe-uninitialized] a[varf].cantitate = nrtotal; ~~~~~~~~~~~~~~~~~~^~~~~~~~~