package?main
import?"fmt"
func?main()??{
???var?factorial?int64?=?1
???var?number?int
???fmt.Print("請輸入一個整型：")
???fmt.Scanf("%d",?&number)
???for?i?:=?1;?i?<=?number;?i++?{
??????factorial?=?factorial?*?int64(i)
???}
???fmt.Printf("%d的階乘是%d\n",?number,?factorial)
}
2 回答
pardon110
TA貢獻1038條經(jīng)驗 獲得超227個贊
應該用遞歸，而非for循環(huán)，代碼如下：
package?main
import?"fmt"
func?factorial(n?int)?int?{
????if?n?==?1?{
????????return?n????
????}?else?{????????
????????n?=?n?*?factorial(n-1)????
????}????
????return?n
}
func?main()?{????
????var?number?int
????fmt.Print("請輸入一個整型：")???
????fmt.Scanf("%d",?&number)????
????fmt.Printf("%d的階乘是%d\n",?number,?factorial(number))
}
慕田峪4261139
TA貢獻1條經(jīng)驗 獲得超0個贊
#100的階乘 from?functools?import?reduce def?fo(x,?y): ????return?x?*?y print(reduce(fo,?range(1,?101)))
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