vbs学习习题 - 百元买百鸡问题
[i=s] 本帖最后由 shelluserwlb 于 2014-11-23 17:03 编辑 [/i][code]'100元钱买100只鸡,小鸡1元3只,公鸡3元1只,母鸡5元1只。有多少种买法?(每种鸡至少买1只)
Option Explicit
Dim i,j,k
Dim intSum,strResult
intSum = 1
For i = 1 To 276
For j = 1 To 31
For k = 1 To 19
If k=100-(i+j) And ((1/3)*i)+(3*j)+(5*k)=100 Then
strResult = strResult & cstr(intSum) & _
": 小鸡:" & i & "只,公鸡"& j & _
"只,母鸡" & k & "只。" & Chr(10)
intSum = intSum + 1
End if
Next
Next
Next
MsgBox strResult[/code] 买半只鸡如何?[code]Option Explicit
Dim i,j,k,money
Dim intSum,s
For i = 1 To 98 step 0.5
For j = 1 To 98 step 0.5
k = 100 - (i + j)
money = i/3 + j*3 + k*5
If k > 0 And money = 100 Then
intSum = intSum + 1
s = s & intSum & ": 小鸡 " & i & " 只,"
s = s & "公鸡 " & j & " 只,"
s = s & "母鸡 " & k & " 只" & vbLf
End If
Next
Next
WScript.Echo s[/code] 我觉得简化成 step 100/N 比较合理 [b]回复 [url=http://www.bathome.net/redirect.php?goto=findpost&pid=158422&ptid=33027]3#[/url] [i]CrLf[/i] [/b]
嗯,有道理,一般人一顿吃不了那么多 [code]dim i,j,k
for i=0 to 20
for j=0 to 33
for k=0 to 100
if i+j+k=100 and 5*i+3*j+k/3=100 then
str=str & i & " "& j & " "& k & " "
str= str & vbCrlf
end if
next
next
next
msgbox str
[/code]这不是很简单吗 1
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发表于 3 天前 | 只看该作者
好好学习,天天向上 看看就看看!
好好学习,天天向上 谢谢分享,支持一下
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