paizaの算術・代入演算メニューの演習問題のRubyでの模範解答

Paiza の算術・代入演算メニューの演習問題のRubyでの模範解答です。
簡単なので、いらないような気もしますが、ご参考までに。

STEP: 1 足し算
https://paiza.jp/works/mondai/arithmetic_substitution_op/arithmetic_substitution_op__arithmetic_step1

step1.rb

n = 1231 + 5178

puts n

STEP: 2 引き算・掛け算
https://paiza.jp/works/mondai/arithmetic_substitution_op/arithmetic_substitution_op__arithmetic_step2

step2.rb

a,b = gets.split(' ').map(&:to_i)
d = a - b
p = a * b

puts "#{d} #{p}"

STEP: 3 割り算
https://paiza.jp/works/mondai/arithmetic_substitution_op/arithmetic_substitution_op__arithmetic_step3

step3.rb

a = 437326
b = 9085
x = a / b
y = a % b

puts "#{x} #{y}"

STEP: 4 掛け算 2
https://paiza.jp/works/mondai/arithmetic_substitution_op/arithmetic_substitution_op__arithmetic_step4

step4.rb

a,b,c = gets.split(' ').map(&:to_i)
x = a * a
y = b * b + c * c

puts "#{x} #{y}"

STEP: 5 累乗
https://paiza.jp/works/mondai/arithmetic_substitution_op/arithmetic_substitution_op__arithmetic_step5

step5.rb

a = 202
b = 134
c = 107

n = ((a + b) * c) ** 2

puts n

STEP: 6 累乗 2
https://paiza.jp/works/mondai/arithmetic_substitution_op/arithmetic_substitution_op__arithmetic_step6

step6.rb

a,b,c,d = gets.split(' ').map(&:to_i)

n = ((a + b) * c) ** 2 % d

puts n

STEP: 7 代入演算 1
https://paiza.jp/works/mondai/arithmetic_substitution_op/arithmetic_substitution_op__substitution_step1

step7.rb

n = 0
n = n + 3286
n = n * 4736
n = n % 12312

puts n

STEP: 8 代入演算 2
https://paiza.jp/works/mondai/arithmetic_substitution_op/arithmetic_substitution_op__substitution_step2

step8.rb

n = 0
a,b,c = gets.split(' ').map(&:to_i)
n = n + a
n = n * b
n = n % c

puts n

STEP: 9 代入演算 3
https://paiza.jp/works/mondai/arithmetic_substitution_op/arithmetic_substitution_op__substitution_step3

step9.rb

n = 10000
n = n / 361
n = n % 28

puts n 

STEP:10 代入演算 4
https://paiza.jp/works/mondai/arithmetic_substitution_op/arithmetic_substitution_op__substitution_step4

step10.rb

a,b = gets.split(' ').map(&:to_i)
n = 10000
n = n / a 
n = n % b

puts n