Compilare: user.cpp: In function ‘int nxt(int)’: user.cpp:47:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(nr[seg] == v[seg].size()-1) ~~~~~~~~^~~~~~~~~~~~~~~~~~ user.cpp: In function ‘void Solve()’: user.cpp:59:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(i + v[2].size() >= k1 && (v[2].size() + v[4].size() >= s - k2)) ~~~~~~~~~~~~~~~~^~~~~ user.cpp:59:69: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(i + v[2].size() >= k1 && (v[2].size() + v[4].size() >= s - k2)) ~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~