int answer3() {
long number = 600851475143L;
long backup_number = number;
int factor = 1;
while (number > 1) {
increment_factor(4);
while (number % factor == 0)
number = number / factor;
if (number <= 1) break;
increment_factor(2);
while (number % factor == 0)
number = number / factor;
}
return factor;
}
//-------------------------------------------------------------------
// Process button presses when in GUI_MODE_MENU mode
int gui_menu_kbd_process() {
switch (kbd_get_autoclicked_key() | get_jogdial_direction())
{
case KEY_ERASE:
case KEY_SHOOT_HALF:
if (!increment_factor())
int_incr = 1;
gui_menu_redraw=1;
break;
case JOGDIAL_LEFT:
case KEY_UP:
gui_menu_updown(-1);
break;
case JOGDIAL_RIGHT:
case KEY_DOWN:
gui_menu_updown(1);
break;
case FRONTDIAL_LEFT:
case KEY_LEFT:
if (gui_menu_curr_item >= 0) {
switch (curr_menu->menu[gui_menu_curr_item].type & MENUITEM_MASK) {
case MENUITEM_INT:
update_int_value(&curr_menu->menu[gui_menu_curr_item],-1);
break;
case MENUITEM_BOOL:
update_bool_value(&curr_menu->menu[gui_menu_curr_item]);
break;
case MENUITEM_ENUM:
case MENUITEM_ENUM2:
update_enum_value(&curr_menu->menu[gui_menu_curr_item],-1);
break;
case MENUITEM_UP:
gui_menu_back();
break;
case MENUITEM_STATE_VAL_PAIR:
{
CMenuItem *c = (CMenuItem*)(curr_menu->menu[gui_menu_curr_item].value);
if (*(c[1].value) == 0)
update_bool_value(&c[1]);
switch (c[0].type & MENUITEM_MASK)
{
case MENUITEM_INT:
update_int_value(&c[0],-1);
break;
case MENUITEM_ENUM:
case MENUITEM_ENUM2:
update_enum_value(&c[0],-1);
break;
}
}
break;
}
} else {
gui_menu_back();
}
break;
case FRONTDIAL_RIGHT:
case KEY_RIGHT:
if (gui_menu_curr_item >= 0) {
switch (curr_menu->menu[gui_menu_curr_item].type & MENUITEM_MASK){
case MENUITEM_INT:
update_int_value(&curr_menu->menu[gui_menu_curr_item],1);
break;
case MENUITEM_BOOL:
update_bool_value(&curr_menu->menu[gui_menu_curr_item]);
break;
case MENUITEM_ENUM:
case MENUITEM_ENUM2:
update_enum_value(&curr_menu->menu[gui_menu_curr_item],1);
break;
case MENUITEM_SUBMENU_PROC:
select_proc();
break;
case MENUITEM_SUBMENU:
select_sub_menu();
break;
case MENUITEM_STATE_VAL_PAIR:
{
CMenuItem *c = (CMenuItem*)(curr_menu->menu[gui_menu_curr_item].value);
if (*(c[1].value) == 0)
update_bool_value(&c[1]);
switch (c[0].type & MENUITEM_MASK)
{
case MENUITEM_INT:
update_int_value(&c[0],1);
break;
case MENUITEM_ENUM:
case MENUITEM_ENUM2:
update_enum_value(&c[0],1);
break;
}
}
break;
}
}
break;
case KEY_SET:
if (gui_menu_curr_item >= 0) {
switch (curr_menu->menu[gui_menu_curr_item].type & MENUITEM_MASK){
case MENUITEM_INT:
if (camera_info.state.is_shutter_half_press)
{
*(curr_menu->menu[gui_menu_curr_item].value) = 0;
gui_menu_redraw=1;
}
break;
case MENUITEM_BOOL:
update_bool_value(&curr_menu->menu[gui_menu_curr_item]);
break;
case MENUITEM_SUBMENU_PROC:
case MENUITEM_PROC:
select_proc();
break;
case MENUITEM_SUBMENU:
select_sub_menu();
break;
case MENUITEM_UP:
gui_menu_back();
break;
case MENUITEM_COLOR_FG:
case MENUITEM_COLOR_BG:
item_color=((unsigned char*)(curr_menu->menu[gui_menu_curr_item].value)) + (((curr_menu->menu[gui_menu_curr_item].type & MENUITEM_MASK)==MENUITEM_COLOR_BG)?1:0);
libpalette->show_palette(PALETTE_MODE_SELECT, FG_COLOR(*item_color), gui_menu_color_selected);
gui_menu_redraw=2;
break;
case MENUITEM_ENUM:
case MENUITEM_ENUM2:
update_enum_value(&curr_menu->menu[gui_menu_curr_item],1);
gui_menu_redraw=1;
break;
case MENUITEM_STATE_VAL_PAIR:
{
CMenuItem *c = (CMenuItem*)(curr_menu->menu[gui_menu_curr_item].value);
if ((c[1].type & MENUITEM_MASK) == MENUITEM_ENUM)
update_enum_value(&c[1],1);
else
update_bool_value(&c[1]);
}
break;
}
}
break;
case KEY_ZOOM_IN:
if (decrement_factor())
gui_menu_redraw = 1;
break;
case KEY_ZOOM_OUT:
if (increment_factor())
gui_menu_redraw = 1;
break;
case KEY_DISPLAY:
if (camera_info.cam_has_zoom_lever)
{
gui_menu_back();
}
else
{
// For cams without zoom lever, DISP adjusts increment factor
if (!increment_factor())
int_incr = 1;
gui_menu_redraw=1;
}
break;
}
return 0;
}
