Compilare: main.cpp: In function 'int main()': main.cpp:20:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 1; i < A.size(); i++) ~~^~~~~~~~~~ main.cpp:33:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < B.size(); i++) ~~^~~~~~~~~~ main.cpp:41:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(poz == A.size()) ~~~~^~~~~~~~~~~ main.cpp:52:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < ans.size(); i++) ~~^~~~~~~~~~~~