Compilare: user.cpp: In function ‘bool Check(int, int, int, int)’: user.cpp:93:34: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if( xx <= 20 && xx != 1 && xx != 2 || xx==60) ^ user.cpp: In function ‘void WriteNumber(int, int, int)’: user.cpp:160:21: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if(nr < 100 && nr <= 20 || nr == 60 ){ ^ user.cpp:154:10: warning: variable ‘ok’ set but not used [-Wunused-but-set-variable] bool ok=false; ^