Compilare: user.cpp: In function ‘int main()’: user.cpp:108:7: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if (m[next - 1] != read) ^ user.cpp:125:7: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if (m[next + 1] != 1) ^