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@kazua
kazua / problem006.php
Created October 14, 2013 13:19
Project Euler Problem 6(PHP)
<?php
//write kazua
for ($i = 1; $i <= 100; $i++) {
$a1 += pow($i, 2);
$a2 += $i;
}
$result = pow($a2, 2) - $a1;
echo $result;
@kazua
kazua / problem77.scala
Created October 9, 2013 15:42
Project Euler Problem 77
//http://projecteuler.net/index.php?section=problems&id=77(英語)
//http://odz.sakura.ne.jp/projecteuler/index.php?cmd=read&page=Problem%2077
//Kazua
import scala.collection.mutable._
import scala.math._
object problem77 {
lazy val pr : Stream[Int] = 2 #:: Stream.from(3).filter(i => pr.takeWhile(j => pow(j, 2) <= i).forall(i % _ > 0)).takeWhile(_ < 5000)
@kazua
kazua / problem002.php
Created October 8, 2013 13:39
Project Euler Problem 2(PHP)
<?php
//write kazua
$num1 = 1;
$num2 = 1;
$result = 0;
$i = 0;
while ($i < 4000000) {
if ($i % 2 === 0) $result += $i;
$i = $num1 + $num2;
$num2 = $num1;
@kazua
kazua / problem001.php
Created October 7, 2013 12:27
Project Euler Problem 1
<?php
//write kazua
$result = 0;
$result = array_sum(array_filter(range(1, 999),
function ($value) {
return (($value % 3 == 0) || ($value % 5 == 0));
}));
echo $result;
@kazua
kazua / problem76.scala
Created October 3, 2013 14:11
Project Euler Problem 76
//http://projecteuler.net/index.php?section=problems&id=76(英語)
//http://odz.sakura.ne.jp/projecteuler/index.php?cmd=read&page=Problem%2076
//Kazua
import scala.collection.mutable._
object problem76 {
def problem76(n : Int = 100, p : Seq[Long] = 1L +: Seq.fill(100)(0L), i : Int = 1, j : Int = 1) : Long = i match {
case i if i <= 99 => {
@kazua
kazua / mail.php
Created October 1, 2013 14:40
PHPでメール送信（簡易版）
<?php
header("Content-Type:text/html;charset=UTF-8");
if (isset($_POST['body'])) {
?>
<html>
<head>
<title>メール送信結果</title>
</head>
<body>
<?php
@kazua
kazua / ExcelWorkBook.scala
Last active December 24, 2015 00:09
ScalaでExcel管理
//write kazua
import org.apache.poi.hssf.usermodel.HSSFWorkbook
import org.apache.poi.openxml4j.exceptions.InvalidFormatException
import org.apache.poi.ss.usermodel.Cell
import org.apache.poi.ss.usermodel.CellStyle
import org.apache.poi.ss.usermodel.DataFormat
import org.apache.poi.ss.usermodel.Sheet
import org.apache.poi.ss.usermodel.Workbook
import org.apache.poi.ss.usermodel.WorkbookFactory
@kazua
kazua / problem89.scala
Created September 17, 2013 14:21
Project Euler Problem 89
//http://projecteuler.net/index.php?section=problems&id=89(英語)
//http://odz.sakura.ne.jp/projecteuler/index.php?cmd=read&page=Problem%2089
//Kazua
import scala.io.Source
object problem89 {
val p = "VIIII|LXXXX|DCCCC|IIII|XXXX|CCCC".r
def problem89(ls : List[String]) = ls.mkString.length - ls.map(p.replaceAllIn(_, "--")).mkString.length
@kazua
kazua / problem69.scala
Created September 12, 2013 15:28
Project Euler Problem 69
//http://projecteuler.net/index.php?section=problems&id=69(英語)
//http://odz.sakura.ne.jp/projecteuler/index.php?cmd=read&page=Problem%2069
//Kazua
import scala.math._
object problem69 {
lazy val pr : Stream[Int] = 2 #:: Stream.from(3).filter(i => pr.takeWhile(j => pow(j, 2) <= i).forall(i % _ > 0))
def problem69(n : Int = 1, i : Int = 0, p : Stream[Int] = pr, m : Int = 1000000) : Int = n match {
@kazua
kazua / problem58.scala
Created September 9, 2013 14:48
Project Euler Problem 58
//http://projecteuler.net/index.php?section=problems&id=58(英語)
//http://odz.sakura.ne.jp/projecteuler/index.php?cmd=read&page=Problem%2058
//Kazua
import scala.collection.mutable._
object problem58 {
val m = Map[Int, Boolean]()
def isPrime(n : Int) =