sato11

(define (expmod base exp m)
  (cond ((= exp 0) 1)
        ((even? exp)
         (remainder (square (expmod base (/ exp 2) m))
                    m))
        (else
         (remainder (* base (expmod base (- exp 1) m))
                    m))))

(define (fermat-test n)

sato11

# Solves arithmetic puzzle.
# Input four integers and the expected answer
# and the program searches a possible expression.
#
# e.g.
# in: 1,3,9,0 and 10
# out: 1+(3*0)+9
# in: 3,4,7,8 and 10
# out: (3-7/4)*8

sato11

# test cases that i've used for the lesson below:
# https://app.codility.com/programmers/lessons/5-prefix_sums/count_div/

require 'minitest/autorun'

class CountDivTest < Minitest::Test
  def test_solution
    a, b, k = [6, 11, 2]
    assert_equal 3, solution(a, b, k)

sato11

std::string to_rational(int numerator, int denominator)
{
  std::string result;
  int n = numerator / denominator;
  result += std::to_string(n);

  if (numerator % denominator == 0) return result;

  result += ".";

sato11

AWSTemplateFormatVersion: 2010-09-09
Description: |
  A stack to manage an S3 bucket for redirecting to the apex domain,
  a Route 53 DNS record for using a custom domain,
  and a CloudFront Distribution for high availability.

Parameters:
  AcmCertificateArn:
    Type: String
    Description: The ARN of ACM certificate.

sato11

AWSTemplateFormatVersion: 2010-09-09
Description: |
  A stack to manage an S3 bucket for hosting a static website,
  a Route 53 DNS record for using a custom domain,
  and a CloudFront Distribution for high availability.

Parameters:
  AcmCertificateArn:
    Type: String
    Description: The ARN of ACM certificate.

sato11

#!/bin/bash
# digdag daemon
# chkconfig: 345 20 80
# description: digdag daemon
# processname: digdag

# Credit: https://werxltd.com/wp/2012/01/05/simple-init-d-script-template/

source /home/user_name/.bashrc
source /home/user_name/.bash_profile