4ヶ月もほったらかしになってたので、 復習がてら Problem 1 からやってみる。
初項a、公差d の等差数列の初項から第n項 (末項 l=a+(n-1)d) までの和Snは...
let sn a lim =
let n = lim / a in
let l = a * n in
Set fs = CreateObject("Scripting.FileSystemObject") | |
file = WScript.Arguments(0) | |
If WScript.Arguments.Count > 1 Then | |
dt = CDate(WScript.Arguments(1)) | |
Else | |
dt = Now | |
End If | |
With CreateObject("Shell.Application") | |
With .NameSpace(fs.GetParentFolderName(file)) |
Option Explicit | |
Private fs: Set fs = WScript.CreateObject("Scripting.FileSystemObject") | |
Private folder: Set folder = fs.GetFolder(WScript.Arguments(0)) | |
Private xl: Set xl = CreateObject("Excel.Application") | |
xl.Visible = True | |
xl.DisplayAlerts = False '警告メッセージをOFF | |
'ファイル一覧を取得 |
var fs = WScript.CreateObject("Scripting.FileSystemObject"); | |
var search_folder = WScript.Arguments(0); | |
var copy_folder = WScript.Arguments(1); | |
var mode = ""; | |
if (WScript.Arguments.length > 2) | |
mode = WScript.Arguments(2); | |
if (mode == "") | |
WScript.Echo("confirm mode"); | |
else if (mode == "c") |
http://www.joshkunz.com/iTunesControl/main.html |
Private Declare Sub Sleep Lib "kernel32" (ByVal dwMilliseconds As Long) | |
Private Declare Sub keybd_event Lib "user32" (ByVal bVk As Byte, ByVal bScan As Byte, ByVal dwFlags As Long, ByVal dwExtraInfo As Long) | |
Private Const KEYEVENTF_EXTENDEDKEY As Long = &H1 | |
Private Const KEYEVENTF_KEYUP As Long = &H2 | |
Private Const VK_LMENU As Long = &HA4 | |
Private Const VK_LCONTROL As Long = &HA2 | |
Private Const fKEYDOWN = KEYEVENTF_EXTENDEDKEY | |
Private Const fKEYUP = KEYEVENTF_EXTENDEDKEY Or KEYEVENTF_KEYUP |
#循環節の長さ
##純循環小数 の 場合
素数 p の逆数を循環小数で表した時の循環節の長さ k は、次の式で表される。
k は 10^k≡1 (mod p) となる最小の数
整数 n, m の差が、自然数 d の倍数になるとき、n と m は法 d に関して合同であるといい、
###Scala
(999.0 + math.log10(5.0) / 2.0) / (math.log10((1.0 + math.sqrt(5.0) ) / 2.0))
res0: Double = 4781.859270753068
(BigInt(1618033989).pow(4781) / BigInt(1000000000).pow(4780) / (BigInt(1236067977) + BigInt(1000000000))).toString().length
scala.util.control.Breaks.breakable { | |
for (i <- 999 to 100 by -1; j <- 0 to 1) { | |
var x = i | |
var y = i - j | |
do { | |
if (x % 11 == 0 || y % 11 == 0 ) { | |
var s = (x * y).toString | |
if (s == s.reverse) { | |
println(x + " * " + y + " = " + s) | |
scala.util.control.Breaks.break |