Compilare: user.cpp: In function ‘void getAns(int, int)’: user.cpp:26:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(dist+k>=leaf[leafInd].size()){ ^ user.cpp: In function ‘void construct(int)’: user.cpp:40:42: warning: narrowing conversion of ‘leaf[i].std::vector<_Tp, _Alloc>::size<int, std::allocator<int> >()’ from ‘std::vector<int>::size_type {aka unsigned int}’ to ‘int’ inside { } [-Wnarrowing] correspLeaf[nod]={i,leaf[i].size()}; ^