Compilare: main.cpp: In function 'int findFirst()': main.cpp:34:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<point>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 34 | for (int k=1; k<half.size(); ++k){ | ~^~~~~~~~~~~~ main.cpp: In function 'bool infasuratoare()': main.cpp:46:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<point>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 46 | for (int k=2; k<half.size(); ++k) | ~^~~~~~~~~~~~ main.cpp: In function 'double arie()': main.cpp:68:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<point>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 68 | for (int i=1; i<half.size() - 1; ++i){ | ~^~~~~~~~~~~~~~~~