Compilare: user.cpp:7:7: warning: ISO C++ forbids declaration of ‘main’ with no type [-Wreturn-type] main () ^ user.cpp: In function ‘int main()’: user.cpp:8:24: warning: unknown escape sequence: '\040' [enabled by default] { char a[500], *p, s[]=" , ; : / - | \ [ ] } { .", *b; ^ user.cpp:9:6: warning: unused variable ‘medie’ [-Wunused-variable] long medie,sum=0,nr; ^