Compilare: main.cpp: In function 'int main()': main.cpp:40:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 40 | for(int i=0;i<p.size();i++) | ~^~~~~~~~~ main.cpp:42:256: warning: 'unde' may be used uninitialized [-Wmaybe-uninitialized] 42 | if(aria(p[(i-1+p.size())%p.size()], p[i], p[(i+1)%p.size()]) > mxm || (aria(p[(i-1+p.size())%p.size()], p[i], p[(i+1)%p.size()])==mxm && min(dist(p[i], p[(i+1)%p.size()]), dist(p[i], p[(i-1+p.size())%p.size()])) < min(dist(p[unde], p[(unde+1)%p.size()]), dist(p[unde], p[(unde-1+p.size())%p.size()])))) | ~~~~~^~~ main.cpp:39:17: note: 'unde' was declared here 39 | int unde; | ^~~~