Compilare: user.cpp: In function ‘int main()’: user.cpp:146:15: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(nr==1000000000 && p>0) ^ user.cpp:151:15: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(nr==1000 && p>0) ^ user.cpp:156:15: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(nr==1000000 && p>0) ^