Compilare: user.cpp: In function ‘int main()’: user.cpp:69:9: warning: unused variable ‘MaxLength’ [-Wunused-variable] int MaxLength = 0, indexLmax = 0; // the index of the max length ^~~~~~~~~ user.cpp:69:24: warning: unused variable ‘indexLmax’ [-Wunused-variable] int MaxLength = 0, indexLmax = 0; // the index of the max length ^~~~~~~~~