Compilare: main.cpp: In function 'int solve(int)': main.cpp:14:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(nra>=v1.size()) return (nra+1+v1.size())/2+v2.size(); ~~~^~~~~~~~~~~ main.cpp:27:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(poz+x<v1.size()) ~~~~~^~~~~~~~~~ main.cpp:41:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(poz+y<=v1.size()) ~~~~~^~~~~~~~~~~