Compilare: main.cpp: In function 'double calc(int, int)': main.cpp:43:41: warning: right operand of comma operator is a reference, not call, to function 'cmp_y' [-Waddress] 43 | sort(b.begin(), b.end(), cmp_y), cmp_y; | ^ main.cpp:43:41: warning: right operand of comma operator has no effect [-Wunused-value] main.cpp:48:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Point>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 48 | while (pdr < b.size() && b[pdr].y <= a[pdr].y + l) | ~~~~^~~~~~~~~~ main.cpp:50:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Point>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 50 | while (pst < b.size() && a[pst].y < a[pdr].y - l) | ~~~~^~~~~~~~~~ main.cpp:52:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Point>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 52 | if (pst == b.size()) | ~~~~^~~~~~~~~~~