Compilare: main.cpp: In function 'int main()': main.cpp:25:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0; i<cuv.size(); i++) ~^~~~~~~~~~~ main.cpp:38:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0; i<v.size(); i++) ~^~~~~~~~~ main.cpp:42:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0; i<v.size(); i++) ~^~~~~~~~~