Compilare: main.cpp: In function 'void calcularePrefix()': main.cpp:25:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 2; i < A.size(); i++) ~~^~~~~~~~~~ main.cpp: In function 'void gasesteAparitii()': main.cpp:40:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 1; i < B.size(); i++) ~~^~~~~~~~~~ main.cpp:47:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (pi == A.size() - 1) ~~~^~~~~~~~~~~~~~~