Compilare: user.cpp: In function ‘int Nope(char*, char*)’: user.cpp:28:49: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for ( int index1 = 0 ; index1 < strlen(word1) ; index1++ ) ^ user.cpp:31:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if ( aux_lenght == strlen (word1) ) ^ user.cpp: In function ‘void Solve()’: user.cpp:44:50: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if ( lenght_max == strlen( S[index1] ) ) ^ user.cpp:47:49: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if ( lenght_max < strlen( S[index1] ) ) ^ user.cpp: In function ‘int main()’: user.cpp:80:37: warning: deprecated conversion from string constant to ‘char*’ [-Wwrite-strings] cout << Nope ( "abce", "abdefc" ); ^ user.cpp:80:37: warning: deprecated conversion from string constant to ‘char*’ [-Wwrite-strings]