Compilare: user.cpp: In function ‘long long int minDistance(std::vector<std::pair<int, int> >&, int, int)’: user.cpp:43:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<temp.size();i++) ^ user.cpp:44:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=i+1;j<=i+7,j<temp.size();j++) ^ user.cpp:44:20: warning: left operand of comma operator has no effect [-Wunused-value] for(j=i+1;j<=i+7,j<temp.size();j++) ^