Compilare: user.cpp: In function ‘int main()’: user.cpp:34:24: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] else if(i>egal) ^ user.cpp:42:19: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(s[i-1]<'0'||s[i-1]>'9') ^