Compilare: user.cpp: In function ‘int main()’: user.cpp:42:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (v.size()<c) v.push_back(MAX); ^ user.cpp:49:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (v.size()<c) v.push_back(MAX); ^ user.cpp:57:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0; i<v.size(); i++) ^ user.cpp:51:22: warning: ‘poz’ may be used uninitialized in this function [-Wmaybe-uninitialized] l=poz+k+1; ^