Compilare: user.cpp: In function ‘int main()’: user.cpp:29:12: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if (c==0) if (t[s-1]==x1) fout<<s-1<<"\n"; else fout<<-1<<"\n"; ^ user.cpp:30:12: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if (c==1) if (t[s]>x1 || s>n) fout<<s-1<<"\n"; else fout<<s<<"\n"; ^