Compilare: user.cpp: In function ‘int main()’: user.cpp:13:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<v.size();i++){ ^ user.cpp:15:9: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] && (v[i]>='a' && v[i]<='z') || ((v[i]>='A' && v[i]<='Z') )))) ^ user.cpp:14:19: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if( (i==0 && ( (v[i]>='a' && v[i]<='z') || ((v[i]>='A' && v[i]<='Z') ) ) || ((v[i-1] == ' ' || v[i-1] == '-') ^