Compilare: user.cpp: In function ‘void Median()’: user.cpp:22:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<w.size();++i) ^ user.cpp: In function ‘int main()’: user.cpp:60:16: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if (sters==M) ^ user.cpp:65:16: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if (sters==before) ^ user.cpp:69:16: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if (sters==after) ^ user.cpp:73:16: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if (sters<before) ^ user.cpp:77:16: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if (sters>after) ^