Compilare: user.cpp: In function ‘void Solve()’: user.cpp:32:21: warning: variable ‘unu’ set but not used [-Wunused-but-set-variable] bool ok = true, unu = false; ^ user.cpp:33:15: warning: unused variable ‘v’ [-Wunused-variable] long long v = 0; ^ user.cpp:56:13: warning: ‘up’ may be used uninitialized in this function [-Wmaybe-uninitialized] if ( up - scad == t || up - scad == 0 ) ^