Compilare: main.cpp: In function 'double calc(int, int)': main.cpp:49:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Point>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 49 | while (pdr < b.size() && b[pdr].y <= p.y + l) | ~~~~^~~~~~~~~~ main.cpp:51:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Point>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 51 | while (pst < b.size() && a[pst].y < p.y - l) | ~~~~^~~~~~~~~~ main.cpp:53:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<Point>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 53 | if (pst == b.size()) | ~~~~^~~~~~~~~~~