Compilare: user.cpp: In function ‘void R()’: user.cpp:11:35: warning: operation on ‘i’ may be undefined [-Wsequence-point] for(;i^256;p[++i]=p[i-1]+f[i-1]); ^ user.cpp:11:35: warning: operation on ‘i’ may be undefined [-Wsequence-point] user.cpp: In function ‘int main()’: user.cpp:23:49: warning: operation on ‘i’ may be undefined [-Wsequence-point] for(**v=B;i^N;v[0][++i]=(v[0][i-1]*1LL*A+B)%C); ^