Compilare: main.cpp: In function 'int bs(int, int)': main.cpp:27:42: warning: unused variable 'ok' [-Wunused-variable] int st=1,dr=last,mid,x=v[pos],sol=-1,ok=0; ^~ main.cpp: In function 'void solve()': main.cpp:50:11: warning: unused variable 'j' [-Wunused-variable] int i,j,x,nr_pachete=1,last_added=v[1]; ^ main.cpp:50:28: warning: unused variable 'last_added' [-Wunused-variable] int i,j,x,nr_pachete=1,last_added=v[1]; ^~~~~~~~~~