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}

else?if?(month?==?5)

switch?(day)

{

case?1:??case?2:??case?3:??case?4:??case?5:??case?6:??case?7:

case?8:??case?9:??case?10:?case?11:??case?12:??case?13:

case?14:??case?15:??case?16:??case?17:??case?18:??case?19:

case?20:??case?21:??case?22:??case?23:??case?24:??case?25:

case?26:??case?27:??case?28:??case?29:??case?30:??case?31:

break;

default:

printf("You?input?day?is?not?an?effective?figure.");

}

else?if?(month?==?6)

switch?(day)

{

case?1:??case?2:??case?3:??case?4:??case?5:??case?6:??case?7:

case?8:??case?9:??case?10:?case?11:??case?12:??case?13:

case?14:??case?15:??case?16:??case?17:??case?18:??case?19:

case?20:??case?21:??case?22:??case?23:??case?24:??case?25:

case?26:??case?27:??case?28:??case?29:??case?30:

break;

default:

printf("You?input?day?is?not?an?effective?figure.");

}

else?if?(month?==?7)

switch?(day)

{

case?1:??case?2:??case?3:??case?4:??case?5:??case?6:??case?7:

case?8:??case?9:??case?10:?case?11:??case?12:??case?13:

case?14:??case?15:??case?16:??case?17:??case?18:??case?19:

case?20:??case?21:??case?22:??case?23:??case?24:??case?25:

case?26:??case?27:??case?28:??case?29:??case?30:??case?31:

break;

default:

printf("You?input?day?is?not?an?effective?figure.");

}

else?if?(month?==?8)

switch?(day)

{

case?1:??case?2:??case?3:??case?4:??case?5:??case?6:??case?7:

case?8:??case?9:??case?10:?case?11:??case?12:??case?13:

case?14:??case?15:??case?16:??case?17:??case?18:??case?19:

case?20:??case?21:??case?22:??case?23:??case?24:??case?25:

case?26:??case?27:??case?28:??case?29:??case?30:??case?31:

break;

default:

printf("You?input?day?is?not?an?effective?figure.");

}

else?if?(month?==?9)

switch?(day)

{

case?1:??case?2:??case?3:??case?4:??case?5:??case?6:??case?7:

case?8:??case?9:??case?10:?case?11:??case?12:??case?13:

case?14:??case?15:??case?16:??case?17:??case?18:??case?19:

case?20:??case?21:??case?22:??case?23:??case?24:??case?25:

case?26:??case?27:??case?28:??case?29:??case?30:

break;

default:

printf("You?input?day?is?not?an?effective?figure.");

}

else?if?(month?==?10)

switch?(day)

{

case?1:??case?2:??case?3:??case?4:??case?5:??case?6:??case?7:

case?8:??case?9:??case?10:?case?11:??case?12:??case?13:

case?14:??case?15:??case?16:??case?17:??case?18:??case?19:

case?20:??case?21:??case?22:??case?23:??case?24:??case?25:

case?26:??case?27:??case?28:??case?29:??case?30:??case?31:

break;

default:

printf("You?input?day?is?not?an?effective?figure.");

}

else?if?(month?==11)

switch?(day)

{

case?1:??case?2:??case?3:??case?4:??case?5:??case?6:??case?7:

case?8:??case?9:??case?10:?case?11:??case?12:??case?13:

case?14:??case?15:??case?16:??case?17:??case?18:??case?19:

case?20:??case?21:??case?22:??case?23:??case?24:??case?25:

case?26:??case?27:??case?28:??case?29:??case?30:

break;

default:

printf("You?input?day?is?not?an?effective?figure.");

}

else?if?(month?==?12)

switch?(day)

{

case?1:??case?2:??case?3:??case?4:??case?5:??case?6:??case?7:

case?8:??case?9:??case?10:?case?11:??case?12:??case?13:

case?14:??case?15:??case?16:??case?17:??case?18:??case?19:

case?20:??case?21:??case?22:??case?23:??case?24:??case?25:

case?26:??case?27:??case?28:??case?29:??case?30:??case?31:

break;

default:

printf("You?input?day?is?not?an?effective?figure.");

}

break;

default:

printf("You?input?month?is?not?an?effective?figure.");

}

getch();

return?0;

}

總結

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