Compilare: user.cpp: In function ‘void KMP()’: user.cpp:16:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 1; i < A.size(); i ++) ^ user.cpp:27:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < B.size(); i ++) ^ user.cpp:34:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (i == B.size() - k - 1) ^ user.cpp:39:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] else if (i == B.size() - k - 2) ^