Compilare: user.cpp: In function ‘int main()’: user.cpp:42:10: warning: suggest parentheses around ‘+’ inside ‘>>’ [-Wparentheses] f>>s1+1>>s2+1; ^ user.cpp:42:16: warning: suggest parentheses around ‘+’ inside ‘>>’ [-Wparentheses] f>>s1+1>>s2+1; ^