內容 :
拿氣溫來說,攝氏15度和攝氏15.05度的差距對人來說差異實在不大,有了數學概數的觀念,我們可以透過四捨五入法來得到一個數字的估計值,進而方便統計。
現在請你將一些小數利用程式來四捨五入。
現在請你將一些小數利用程式來四捨五入。
輸入說明 :
共計三個測資點,每個測資檔中有多行小數n(-1<=n<=1),至多小數點以下有100位數
輸出說明 :
請輸出四捨五入至小數點以下第二位的結果
範例輸入 :
1.00000
0.5
0.715
0.1234567890
-0.995
範例輸出 :
1.00
0.50
0.72
0.12
-1.00
Dim num As Double
回覆刪除Dim subb As Boolean
Private Sub Form_Load()
Me.Hide
Open App.Path & "\in.txt" For Input As #1
Open App.Path & "\out.txt" For Output As #2
Do
Input #1, num
If num < 0 Then subb = True
num = ((Abs(num) * 100) + 0.5)
num = Int(num) / 100
If subb = False Then Print #2, Format(num, "0.00")
If subb = True Then Print #2, "-" & Format(num, "0.00"): subb = False
Loop Until EOF(1)
Close #2
Close #1
End
End Sub
Private Sub Form_Load()
回覆刪除Me.Hide
Open App.Path & "\in.txt" For Input As #1
Open App.Path & "\out.txt" For Output As #2
Do
Input #1, n
n = Format(n, "0.00")
Print #2, n
Loop Until EOF(1)
Close #2
Close #1
End
End Sub
Private Sub Form_Load()
回覆刪除Open App.Path & "\in.txt" For Input As #1
Open App.Path & "\out.txt" For Output As #2
Do Until EOF(1)
Input #1, x
x = Format(x, "0.00")
Print #2, x
Loop
Close
Close
End
End Sub
回覆刪除Private Sub Form_Load()
Me.Hide
Open App.Path & "\in.txt" For Input As #1
Open App.Path & "\out.txt" For Output As #2
Do While Not EOF(1)
Input #1, x
x = Format(x, "0.00")
Print #2, x
Loop
Close #2
Close #1
End
End Sub