Compilare: user.cpp: In function 'int main()': user.cpp:25: warning: format '%s' expects type 'char*', but argument 3 has type 'char (*)[2000005]' user.cpp:25: warning: format '%s' expects type 'char*', but argument 4 has type 'char (*)[2000005]' user.cpp:46: warning: format '%d' expects type 'int', but argument 3 has type 'long int' user.cpp:49: warning: format '%d' expects type 'int', but argument 3 has type 'long int'