Ruby Examples

level1/05.rb

@@ -0,0 +1,23 @@
+#!/usr/bin/ruby
+# -*- coding: utf-8 -*-
+
+=begin
+점수(0~100)를 받아 A/B/C/D/F 등급 출력
+=end
+
+print "점수(0~100) : "
+number = gets.chomp.to_i
+
+grade = case number
+when 90..100
+  "A"
+when 80..89
+  "B"
+when 70..79
+  "C"
+when 60..69
+  "D"
+else
+  "F"
+end
+puts "#{number}점은 #{grade} 등급입니다."