Compilare: main.cpp: In function 'int main()': main.cpp:37:19: warning: 'nr' may be used uninitialized in this function [-Wmaybe-uninitialized] fout<<nr<<" "<<kMax<<"\n"; ^~~ main.cpp:37:30: warning: 'kMax' may be used uninitialized in this function [-Wmaybe-uninitialized] fout<<nr<<" "<<kMax<<"\n"; ^~~~ main.cpp:24:27: warning: 'k' may be used uninitialized in this function [-Wmaybe-uninitialized] v[++k] = x; ^