Compilare: user.cpp: In function ‘void normalizare()’: user.cpp:20: warning: array subscript has type ‘char’ user.cpp:20: warning: NULL used in arithmetic user.cpp:21: warning: array subscript has type ‘char’ user.cpp:32: warning: array subscript has type ‘char’ user.cpp:39: warning: array subscript has type ‘char’ user.cpp:42: warning: array subscript has type ‘char’ user.cpp: In function ‘int main()’: user.cpp:83: warning: array subscript has type ‘char’ /tmp/cc9O7a81.o: In function `main': user.cpp:(.text+0xaa): warning: the `gets' function is dangerous and should not be used. user.cpp:(.text+0x8a): warning: the `gets' function is dangerous and should not be used.