Compilare: user.cpp: In function ‘int func(char*)’: user.cpp:110:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for ( i = 0; i < strlen(word); i++ ) { ^ user.cpp: In function ‘int main()’: user.cpp:144:6: warning: unused variable ‘count’ [-Wunused-variable] int count = 0; ^ user.cpp:146:6: warning: unused variable ‘i’ [-Wunused-variable] int i; ^