Compilare: main.cpp: In function 'double closestOverlapping(std::vector<std::pair<double, double> >&, double)': main.cpp:47:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < strip.size(); i++) { ~~^~~~~~~~~~~~~~ main.cpp:48:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = i + 1; j < strip.size() && (strip[j].second - strip[i].second) < minDist; j++) ~~^~~~~~~~~~~~~~ main.cpp: In function 'double minDist(int, int)': main.cpp:96:8: warning: variable 'midPoint' set but not used [-Wunused-but-set-variable] point midPoint = V[mid]; ^~~~~~~~