Compilare: user.cpp: In function 'int main()': user.cpp:45: warning: format '%d' expects type 'int*', but argument 2 has type 'long int*' user.cpp:45: warning: format '%d' expects type 'int*', but argument 3 has type 'long int*' user.cpp:45: warning: format '%d' expects type 'int*', but argument 4 has type 'long int*' user.cpp:81: warning: array subscript has type 'char' user.cpp:83: warning: array subscript has type 'char' user.cpp:87: warning: format '%d' expects type 'int*', but argument 2 has type 'long int*' user.cpp:100: warning: format '%d' expects type 'int', but argument 2 has type 'long long int' /tmp/ccAPPYpp.o: In function `main': user.cpp:(.text+0x197): warning: the `gets' function is dangerous and should not be used.