Compilare: user.cpp: In function ‘int mergeDistances(std::vector<point>&, int, int, int&)’: user.cpp:76:47: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < potentialPoints.size() - 1; i ++) ^ user.cpp:77:48: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int j = i + 1; j < potentialPoints.size() && j < 8 - i; j ++) { ^ user.cpp:83:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^