Compilare: user.cpp: In function ‘int main()’: user.cpp:9:10: warning: unused variable ‘b’ [-Wunused-variable] int b , n, l[1000000],i,sec = 0, a[1000000], maxi = 0, semax = 0,j; ^ user.cpp:9:71: warning: ‘j’ may be used uninitialized in this function [-Wmaybe-uninitialized] int b , n, l[1000000],i,sec = 0, a[1000000], maxi = 0, semax = 0,j; ^