Compilare: main.cpp: In function 'void solve_testcase()': main.cpp:57:31: warning: comparison of integer expressions of different signedness: 'std::vector<std::pair<double, double> >::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare] 57 | while (stk.size() > csz && arie(stk[stk.size()], stk[stk.size() - 1], p[i]) < 0) | ~~~~~~~~~~~^~~~~ main.cpp: In function 'bool cmp(pdd, pdd)': main.cpp:31:1: warning: control reaches end of non-void function [-Wreturn-type] 31 | } | ^