Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:45:56: error: request for member ‘b101’ in ‘sir1[(i - m)]’, which is of non-class type ‘char’ sir[i].b101 = (( sir[i-1].b101 - sir1[i-m].b101*P101%M101 + M101 )%M101 + sir1[i] )%M101; ^ user.cpp:46:56: error: request for member ‘b109’ in ‘sir1[(i - m)]’, which is of non-class type ‘char’ sir[i].b109 = (( sir[i-1].b109 - sir1[i-m].b109*P109%M109 + M109 )%M109 + sir1[i] )%M109; ^