Compilare: user.cpp: In function ‘int main()’: user.cpp:19:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for ( i = 0; i < s.length(); ++i ) ^ user.cpp:22:42: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if ( s[i] == '-' || s[i] >= '0' && s[i] <= '9' ) S += Termen(); ^ user.cpp: In function ‘int Mediana()’: user.cpp:142:1: warning: control reaches end of non-void function [-Wreturn-type] } ^