Compilare: main.cpp: In function 'void solve(std::vector<point>, int)': main.cpp:42:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<point>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 42 | for(int i=0;i<v.size();i++) | ~^~~~~~~~~ main.cpp:68:22: 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=0;i<v.size();i++) | ~^~~~~~~~~