Borderou de evaluare (job #227450)

Compilare: user.cpp: In function ‘void cript(char)’: user.cpp:23:13: warning: converting to non-pointer type ‘char’ from NULL [-Wconversion-null] user.cpp:30:17: warning: converting to non-pointer type ‘char’ from NULL [-Wconversion-null] user.cpp:38:73: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] user.cpp:54:12: warning: converting to non-pointer type ‘char’ from NULL [-Wconversion-null] user.cpp:53:18: warning: ‘nr’ may be used uninitialized in this function [-Wuninitialized]