Oh sorry, now i get it what you want to do

, this is the correct way :
Code:
public live()
{
new const server_name[] = "nume server";
new mapname[32];
get_mapname(mapname, sizeof mapname - 1);
new time_left = get_timeleft();
new Buffer[256];
format(Buffer, sizeof Buffer - 1, "[%s]-=-[Harta: %s]-=-[Timp Ramas: %d:%d]", server_name, mapname, time_left / 60, time_left % 60);
set_cvar_string("hostname", Buffer);
}
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