Compilare: user.cpp: In function ‘void infasuratoare()’: user.cpp:41:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 2; i < v.size(); ++i){ ^ user.cpp: In function ‘int main()’: user.cpp:65:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 1; i < v.size(); ++i) ^ user.cpp:85:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < stck.size(); ++i) ^ user.cpp:62:12: warning: unused variable ‘mnx’ [-Wunused-variable] double mnx = v[0].x, mny = v[0].y; ^ user.cpp:62:26: warning: unused variable ‘mny’ [-Wunused-variable] double mnx = v[0].x, mny = v[0].y; ^