Compilare: main.cpp: In function 'int main()': main.cpp:10:44: warning: unused variable 'contor' [-Wunused-variable] int n,k=0,v[50005], bestSum=-int(2e9), contor=0, idx=-1,p,u, vmin=int(2e9); ^~~~~~ main.cpp:29:27: warning: 'u' may be used uninitialized in this function [-Wmaybe-uninitialized] g << p << " " << u << " " <<bestSum; ^~~ main.cpp:29:15: warning: 'p' may be used uninitialized in this function [-Wmaybe-uninitialized] g << p << " " << u << " " <<bestSum; ^~~