Compilare: user.cpp: In function ‘int main()’: user.cpp:26:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (dq.size() == N) ^ user.cpp:51:56: warning: ‘length’ may be used uninitialized in this function [-Wmaybe-uninitialized] g << smax << " " << startPosition + 1 << " " << length; ^ user.cpp:51:38: warning: ‘startPosition’ may be used uninitialized in this function [-Wmaybe-uninitialized] g << smax << " " << startPosition + 1 << " " << length; ^