Compilare: user.cpp: In function ‘void computeMatch()’: user.cpp:16:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int k = 0; k+1 < A.size(); ++k) { ^ user.cpp: In function ‘int main()’: user.cpp:42:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int k = 0; k < B.size(); ++k) { ^ user.cpp:54:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (i == A.size() - 1) { ^