Compilare: user.cpp: In function ‘double dmin(std::deque<std::pair<int, int> >, std::deque<std::pair<int, int> >, double, double)’: user.cpp:51:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<X.size();i++) ^ user.cpp:55:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=mij;i<X.size();i++) ^ user.cpp:58:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<X.size();i++) ^ user.cpp:63:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<X.size();i++) ^ user.cpp:66:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<YM.size();i++) ^ user.cpp:67:43: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=i+1;j<=i+7 && j<YM.size();j++) ^