You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
38 lines
721 B
38 lines
721 B
=begin
|
|
File: stack.rb
|
|
Created Time: 2024-04-06
|
|
Author: Xuan Khoa Tu Nguyen (ngxktuzkai2000@gmail.com)
|
|
=end
|
|
|
|
### Driver Code ###
|
|
if __FILE__ == $0
|
|
# 初始化栈
|
|
# Ruby 没有内置的栈类，可以把 Array 当作栈来使用
|
|
stack = []
|
|
|
|
# 元素入栈
|
|
stack << 1
|
|
stack << 3
|
|
stack << 2
|
|
stack << 5
|
|
stack << 4
|
|
puts "栈 stack = #{stack}"
|
|
|
|
# 访问栈顶元素
|
|
peek = stack.last
|
|
puts "栈顶元素 peek = #{peek}"
|
|
|
|
# 元素出栈
|
|
pop = stack.pop
|
|
puts "出栈元素 pop = #{pop}"
|
|
puts "出栈后 stack = #{stack}"
|
|
|
|
# 获取栈的长度
|
|
size = stack.length
|
|
puts "栈的长度 size = #{size}"
|
|
|
|
# 判断是否为空
|
|
is_empty = stack.empty?
|
|
puts "栈是否为空 = #{is_empty}"
|
|
end
|