Eroare de compilare: user.cpp: In function ‘void Back(int)’: user.cpp:54:26: error: ‘nrmin’ was not declared in this scope else if (nr==nrmin) ^ user.cpp:81:33: error: ‘lin1’ was not declared in this scope if (s[k][i]=='0' && lin1[k-i+8]==0 && lin2[k-]) ^ user.cpp:81:51: error: ‘lin2’ was not declared in this scope if (s[k][i]=='0' && lin1[k-i+8]==0 && lin2[k-]) ^ user.cpp:81:58: error: expected primary-expression before ‘]’ token if (s[k][i]=='0' && lin1[k-i+8]==0 && lin2[k-]) ^