Compilare: user.cpp: In function 'int main()': user.cpp:22: warning: format '%d' expects type 'int*', but argument 2 has type 'long int*' user.cpp:36: warning: name lookup of 'i' changed user.cpp:7: warning: matches this 'i' under ISO standard rules user.cpp:29: warning: matches this 'i' under old rules user.cpp:42: warning: format '%d' expects type 'int*', but argument 2 has type 'long int*' /tmp/ccu2sW0k.o: In function `main': user.cpp:(.text+0x6a): warning: the `gets' function is dangerous and should not be used.