Compilare: user.cpp: In function ‘int main()’: user.cpp:33:13: warning: suggest parentheses around ‘+’ inside ‘>>’ [-Wparentheses] fin >> a+1 >> b+1; ^ user.cpp:33:20: warning: suggest parentheses around ‘+’ inside ‘>>’ [-Wparentheses] fin >> a+1 >> b+1; ^ user.cpp:53:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i = 0 ; i < v.size() ; i++) ^