Eroare de compilare: user.cpp:5:24: error: ISO C++ forbids declaration of ‘R’ with no type [-fpermissive] R(int A[],int B[],int d) ^ user.cpp: In function ‘int R(int*, int*, int)’: user.cpp:11:38: warning: operation on ‘i’ may be undefined [-Wsequence-point] for(i=0;i^256;p[++i]=p[i-1]+f[i-1]); ^ user.cpp:11:38: warning: operation on ‘i’ may be undefined [-Wsequence-point] user.cpp:14:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^