Compilare: main.cpp: In function 'int main()': main.cpp:15:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(poz<A.size()){ ~~~^~~~~~~~~ main.cpp:24:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(poz<B.size()){ ~~~^~~~~~~~~ main.cpp:26:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(ind==A.size()){ ~~~^~~~~~~~~~ main.cpp:30:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] else if(poz<B.size()&&A[ind]!=B[poz]){ ~~~^~~~~~~~~