Compilare: user.cpp: In function ‘double getMinDist(int, int, std::vector<point>)’: user.cpp:83:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < pointsY.size(); ++i) { ^ user.cpp:102:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < pointsY.size(); ++i) ^ user.cpp:106:43: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < tempPointList.size(); ++i) ^ user.cpp:107:64: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = i + 1; j < i + 8 && j < tempPointList.size(); ++j) ^