Borderou de evaluare (job #296252)

Compilare: user.cpp: In function 'int main()': user.cpp:23:9: warning: unused variable 'n' [-Wunused-variable] user.cpp: In function 'void codif(char, char, char)': user.cpp:19:19: warning: 'k' may be used uninitialized in this function [-Wuninitialized] user.cpp:19:19: warning: 'j' may be used uninitialized in this function [-Wuninitialized] user.cpp:19:19: warning: 'i' may be used uninitialized in this function [-Wuninitialized]