Compilare: user.cpp: In constructor ‘stare::stare(int, int)’: user.cpp:21:11: warning: ‘stare::mask’ will be initialized after [-Wreorder] int nod, mask; ^ user.cpp:21:6: warning: ‘int stare::nod’ [-Wreorder] int nod, mask; ^ user.cpp:22:2: warning: when initialized here [-Wreorder] stare(int nod = 0, int mask = 0): ^ In file included from /usr/include/c++/4.8/cassert:43:0, from /usr/include/i386-linux-gnu/c++/4.8/bits/stdc++.h:33, from user.cpp:1: user.cpp: In member function ‘void graf::solve()’: user.cpp:62:39: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] assert(nod_nou<dp.size()); ^ user.cpp:63:43: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] assert(new_mask<dp[0].size()); ^